Multiple vulnerabilities in MediaTek chipsets

Published: 2023-07-03

Risk	Low
Patch available	YES
Number of vulnerabilities	24
CVE-ID	CVE-2023-20772 CVE-2023-20748 CVE-2022-32666 CVE-2023-20693 CVE-2023-20692 CVE-2023-20691 CVE-2023-20690 CVE-2023-20689 CVE-2023-20775 CVE-2023-20774 CVE-2023-20773 CVE-2023-20771 CVE-2023-20754 CVE-2023-20768 CVE-2023-20767 CVE-2023-20766 CVE-2023-20761 CVE-2023-20760 CVE-2023-20759 CVE-2023-20758 CVE-2023-20757 CVE-2023-20756 CVE-2023-20753 CVE-2023-20755
CWE-ID	CWE-287 CWE-20 CWE-477 CWE-476 CWE-680 CWE-120 CWE-662 CWE-190 CWE-843 CWE-787
Exploitation vector	Local
Public exploit	N/A
Vulnerable software Subscribe	MT6580 Mobile applications / Mobile firmware & hardware MT6735 Mobile applications / Mobile firmware & hardware MT6737 Mobile applications / Mobile firmware & hardware MT6739 Mobile applications / Mobile firmware & hardware MT6753 Mobile applications / Mobile firmware & hardware MT6761 Mobile applications / Mobile firmware & hardware MT6765 Mobile applications / Mobile firmware & hardware MT6768 Mobile applications / Mobile firmware & hardware MT6771 Mobile applications / Mobile firmware & hardware MT6789 Mobile applications / Mobile firmware & hardware MT6833 Mobile applications / Mobile firmware & hardware MT6835 Mobile applications / Mobile firmware & hardware MT6855 Mobile applications / Mobile firmware & hardware MT6879 Mobile applications / Mobile firmware & hardware MT6886 Mobile applications / Mobile firmware & hardware MT6895 Mobile applications / Mobile firmware & hardware MT6983 Mobile applications / Mobile firmware & hardware MT6985 Mobile applications / Mobile firmware & hardware MT8781 Mobile applications / Mobile firmware & hardware MT8791 Mobile applications / Mobile firmware & hardware MT8791T Mobile applications / Mobile firmware & hardware MT8673 Mobile applications / Mobile firmware & hardware MT7603 Mobile applications / Mobile firmware & hardware MT7613 Mobile applications / Mobile firmware & hardware MT7615 Mobile applications / Mobile firmware & hardware MT7622 Mobile applications / Mobile firmware & hardware MT7628 Mobile applications / Mobile firmware & hardware MT7629 Mobile applications / Mobile firmware & hardware MT7915 Mobile applications / Mobile firmware & hardware MT7916 Mobile applications / Mobile firmware & hardware MT7981 Mobile applications / Mobile firmware & hardware MT7986 Mobile applications / Mobile firmware & hardware MT8365 Mobile applications / Mobile firmware & hardware MT8167 Mobile applications / Mobile firmware & hardware MT8168 Mobile applications / Mobile firmware & hardware MT8195 Mobile applications / Mobile firmware & hardware MT8321 Mobile applications / Mobile firmware & hardware MT8385 Mobile applications / Mobile firmware & hardware MT8666 Mobile applications / Mobile firmware & hardware MT8765 Mobile applications / Mobile firmware & hardware MT8788 Mobile applications / Mobile firmware & hardware MT6757 Mobile applications / Mobile firmware & hardware MT6757C Mobile applications / Mobile firmware & hardware MT6757CD Mobile applications / Mobile firmware & hardware MT6757CH Mobile applications / Mobile firmware & hardware MT6763 Mobile applications / Mobile firmware & hardware MT6890 Mobile applications / Mobile firmware & hardware MT6990 Mobile applications / Mobile firmware & hardware MT8183 Mobile applications / Mobile firmware & hardware MT6731 Mobile applications / Mobile firmware & hardware MT6762 Mobile applications / Mobile firmware & hardware MT6769 Mobile applications / Mobile firmware & hardware MT8185 Mobile applications / Mobile firmware & hardware MT8667 Mobile applications / Mobile firmware & hardware MT8766 Mobile applications / Mobile firmware & hardware MT8768 Mobile applications / Mobile firmware & hardware MT8786 Mobile applications / Mobile firmware & hardware MT8789 Mobile applications / Mobile firmware & hardware MT8675 Mobile applications / Mobile firmware & hardware MT8173 Mobile applications / Mobile firmware & hardware MT8175 Mobile applications / Mobile firmware & hardware MT8362A Mobile applications / Mobile firmware & hardware MT6779 Hardware solutions / Firmware MT6781 Hardware solutions / Firmware MT6785 Hardware solutions / Firmware MT6853 Hardware solutions / Firmware MT6853T Hardware solutions / Firmware MT6873 Hardware solutions / Firmware MT6877 Hardware solutions / Firmware MT6883 Hardware solutions / Firmware MT6885 Hardware solutions / Firmware MT6889 Hardware solutions / Firmware MT6893 Hardware solutions / Firmware MT8797 Hardware solutions / Firmware MT6875 Hardware solutions / Firmware MT6891 Hardware solutions / Firmware
Vendor	MediaTek

Security Bulletin

This security bulletin contains information about 24 vulnerabilities.

1) Improper Authentication

EUVDB-ID: #VU77894

Risk: Low

CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-20772

CWE-ID: CWE-287 - Improper Authentication

Exploit availability: No

Description

The vulnerability allows a local application to execute arbitrary code.

The vulnerability exists due to a missing permission check within vow. A local application can execute arbitrary code.

Mitigation

Install security update from vendor's website.

Vulnerable software versions

MT6580: All versions

MT6735: All versions

MT6737: All versions

MT6739: All versions

MT6753: All versions

MT6761: All versions

MT6765: All versions

MT6768: All versions

MT6771: All versions

MT6779: All versions

MT6781: All versions

MT6785: All versions

MT6789: All versions

MT6833: All versions

MT6835: All versions

MT6853: All versions

MT6853T: All versions

MT6855: All versions

MT6873: All versions

MT6877: All versions

MT6879: All versions

MT6883: All versions

MT6885: All versions

MT6886: All versions

MT6889: All versions

MT6893: All versions

MT6895: All versions

MT6983: All versions

MT6985: All versions

MT8781: All versions

MT8791: All versions

MT8791T: All versions

MT8797: All versions

External links

http://corp.mediatek.com/product-security-bulletin/July-2023

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Improper input validation

EUVDB-ID: #VU77904

Risk: Low

CVSSv3.1: 2 [CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-20748

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a local privileged application to gain access to sensitive information.

The vulnerability exists due to a missing bounds check within display. A local privileged application can gain access to sensitive information.

Mitigation

Install security update from vendor's website.

Vulnerable software versions

MT6879: All versions

MT6886: All versions

MT6895: All versions

MT6983: All versions

MT6985: All versions

MT8673: All versions

MT8781: All versions

External links

http://corp.mediatek.com/product-security-bulletin/July-2023

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

3) Improper input validation

EUVDB-ID: #VU77903

Risk: Low

CVSSv3.1: 2.9 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-32666

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a local application to perform service disruption.

The vulnerability exists due to misrepresentation of critical information within Wi-Fi. A local application can perform service disruption.

Mitigation

Install security update from vendor's website.

Vulnerable software versions

MT7603: All versions

MT7613: All versions

MT7615: All versions

MT7622: All versions

MT7628: All versions

MT7629: All versions

MT7915: All versions

MT7916: All versions

MT7981: All versions

MT7986: All versions

MT8365: All versions

External links

http://corp.mediatek.com/product-security-bulletin/July-2023

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

4) Use of Obsolete Function

EUVDB-ID: #VU77902

Risk: Low

CVSSv3.1: 2.9 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-20693

CWE-ID: CWE-477 - Use of Obsolete Function

Exploit availability: No

Description

The vulnerability allows a local application to perform service disruption.

The vulnerability exists due to an uncaught exception within wlan. A local application can perform service disruption.

Mitigation

Install security update from vendor's website.

Vulnerable software versions

MT6739: All versions

MT6895: All versions

MT6983: All versions

MT8167: All versions

MT8168: All versions

MT8195: All versions

MT8321: All versions

MT8365: All versions

MT8385: All versions

MT8666: All versions

MT8765: All versions

MT8781: All versions

MT8788: All versions

External links

http://corp.mediatek.com/product-security-bulletin/July-2023

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

5) NULL Pointer Dereference

EUVDB-ID: #VU77901

Risk: Low

CVSSv3.1: 2.9 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-20692

CWE-ID: CWE-476 - NULL Pointer Dereference

Exploit availability: No

Description

The vulnerability allows a local application to perform service disruption.

The vulnerability exists due to an uncaught exception within wlan. A local application can perform service disruption.

Mitigation

Install security update from vendor's website.

Vulnerable software versions

MT6739: All versions

MT8167: All versions

MT8168: All versions

MT8321: All versions

MT8365: All versions

MT8385: All versions

MT8666: All versions

MT8765: All versions

MT8788: All versions

External links

http://corp.mediatek.com/product-security-bulletin/July-2023

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

6) Integer Overflow to Buffer Overflow

EUVDB-ID: #VU77900

Risk: Low

CVSSv3.1: 2.9 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-20691

CWE-ID: CWE-680 - Integer Overflow to Buffer Overflow

Exploit availability: No

Description

The vulnerability allows a local application to perform service disruption.

The vulnerability exists due to an integer overflow within wlan. A local application can perform service disruption.

Mitigation

Install security update from vendor's website.

Vulnerable software versions

MT6739: All versions

MT8167: All versions

MT8321: All versions

MT8365: All versions

MT8385: All versions

MT8666: All versions

MT8765: All versions

MT8788: All versions

External links

http://corp.mediatek.com/product-security-bulletin/July-2023

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

7) Integer Overflow to Buffer Overflow

EUVDB-ID: #VU77899

Risk: Low

CVSSv3.1: 2.9 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-20690

CWE-ID: CWE-680 - Integer Overflow to Buffer Overflow

Exploit availability: No

Description

The vulnerability allows a local application to perform service disruption.

The vulnerability exists due to an integer overflow within wlan. A local application can perform service disruption.

Mitigation

Install security update from vendor's website.

Vulnerable software versions

MT6739: All versions

MT8167: All versions

MT8168: All versions

MT8321: All versions

MT8365: All versions

MT8385: All versions

MT8666: All versions

MT8765: All versions

MT8788: All versions

External links

http://corp.mediatek.com/product-security-bulletin/July-2023

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

8) Integer Overflow to Buffer Overflow

EUVDB-ID: #VU77898

Risk: Low

CVSSv3.1: 2.9 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-20689

CWE-ID: CWE-680 - Integer Overflow to Buffer Overflow

Exploit availability: No

Description

The vulnerability allows a local application to perform service disruption.

The vulnerability exists due to an integer overflow within wlan. A local application can perform service disruption.

Mitigation

Install security update from vendor's website.

Vulnerable software versions

MT6739: All versions

MT8167: All versions

MT8321: All versions

MT8365: All versions

MT8385: All versions

MT8666: All versions

MT8765: All versions

MT8788: All versions

External links

http://corp.mediatek.com/product-security-bulletin/July-2023

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

9) Buffer overflow

EUVDB-ID: #VU77897

Risk: Low

CVSSv3.1: 5.8 [CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-20775

CWE-ID: CWE-120 - Buffer overflow

Exploit availability: No

Description

The vulnerability allows a local privileged application to execute arbitrary code.

The vulnerability exists due to a missing bounds check within display. A local privileged application can execute arbitrary code.

Mitigation

Install security update from vendor's website.

Vulnerable software versions

MT6739: All versions

MT6757: All versions

MT6757C: All versions

MT6757CD: All versions

MT6757CH: All versions

MT6761: All versions

MT6763: All versions

MT6765: All versions

MT6768: All versions

MT6771: All versions

MT6779: All versions

MT6781: All versions

MT6785: All versions

MT6789: All versions

MT6833: All versions

MT6835: All versions

MT6853: All versions

MT6853T: All versions

MT6855: All versions

MT6873: All versions

MT6877: All versions

MT6879: All versions

MT6885: All versions

MT6886: All versions

MT6889: All versions

MT6890: All versions

MT6893: All versions

MT6895: All versions

MT6983: All versions

MT6985: All versions

MT6990: All versions

MT8168: All versions

MT8183: All versions

MT8195: All versions

MT8673: All versions

MT8781: All versions

External links

http://corp.mediatek.com/product-security-bulletin/July-2023

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

10) Improper input validation

EUVDB-ID: #VU77896

Risk: Low

CVSSv3.1: 5.8 [CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-20774

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a local privileged application to execute arbitrary code.

The vulnerability exists due to a missing bounds check within display. A local privileged application can execute arbitrary code.

Mitigation

Install security update from vendor's website.

Vulnerable software versions

MT6789: All versions

MT6835: All versions

MT6855: All versions

MT6886: All versions

MT6895: All versions

MT6983: All versions

MT6985: All versions

MT8195: All versions

MT8673: All versions

MT8781: All versions

External links

http://corp.mediatek.com/product-security-bulletin/July-2023

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

11) Improper Authentication

EUVDB-ID: #VU77895

Risk: Low

CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-20773

CWE-ID: CWE-287 - Improper Authentication

Exploit availability: No

Description

The vulnerability allows a local application to execute arbitrary code.

The vulnerability exists due to a missing permission check within vow. A local application can execute arbitrary code.

Mitigation

Install security update from vendor's website.

Vulnerable software versions

MT6580: All versions

MT6735: All versions

MT6737: All versions

MT6739: All versions

MT6753: All versions

MT6761: All versions

MT6765: All versions

MT6768: All versions

MT6771: All versions

MT6779: All versions

MT6781: All versions

MT6785: All versions

MT6789: All versions

MT6833: All versions

MT6835: All versions

MT6853: All versions

MT6853T: All versions

MT6855: All versions

MT6873: All versions

MT6877: All versions

MT6879: All versions

MT6883: All versions

MT6885: All versions

MT6886: All versions

MT6889: All versions

MT6893: All versions

MT6895: All versions

MT6983: All versions

MT6985: All versions

MT8781: All versions

MT8791: All versions

MT8791T: All versions

MT8797: All versions

External links

http://corp.mediatek.com/product-security-bulletin/July-2023

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

12) Improper Synchronization

EUVDB-ID: #VU77893

Risk: Low

CVSSv3.1: 5.8 [CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-20771

CWE-ID: CWE-662 - Improper Synchronization

Exploit availability: No

Description

The vulnerability allows a local privileged application to execute arbitrary code.

The vulnerability exists due to a race condition within display. A local privileged application can execute arbitrary code.

Mitigation

Install security update from vendor's website.

Vulnerable software versions

MT6580: All versions

MT6739: All versions

MT6761: All versions

MT6765: All versions

MT6768: All versions

MT6771: All versions

MT6779: All versions

MT6785: All versions

MT8168: All versions

MT8781: All versions

External links

http://corp.mediatek.com/product-security-bulletin/July-2023

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

13) Integer overflow

EUVDB-ID: #VU77881

Risk: Low

CVSSv3.1: 5.8 [CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-20754

CWE-ID: CWE-190 - Integer overflow

Exploit availability: No

Description

The vulnerability allows a local privileged application to execute arbitrary code.

The vulnerability exists due to an integer overflow within keyinstall. A local privileged application can execute arbitrary code.

Mitigation

Install security update from vendor's website.

Vulnerable software versions

MT6580: All versions

MT6731: All versions

MT6735: All versions

MT6737: All versions

MT6739: All versions

MT6753: All versions

MT6757: All versions

MT6757C: All versions

MT6757CD: All versions

MT6757CH: All versions

MT6761: All versions

MT6762: All versions

MT6763: All versions

MT6765: All versions

MT6768: All versions

MT6769: All versions

MT6771: All versions

MT6779: All versions

MT6781: All versions

MT6785: All versions

MT6789: All versions

MT6833: All versions

MT6835: All versions

MT6853: All versions

MT6853T: All versions

MT6855: All versions

MT6873: All versions

MT6875: All versions

MT6877: All versions

MT6879: All versions

MT6883: All versions

MT6885: All versions

MT6886: All versions

MT6889: All versions

MT6891: All versions

MT6893: All versions

MT6895: All versions

MT6983: All versions

MT6985: All versions

MT8185: All versions

MT8321: All versions

MT8385: All versions

MT8666: All versions

MT8667: All versions

MT8765: All versions

MT8766: All versions

MT8768: All versions

MT8781: All versions

MT8786: All versions

MT8788: All versions

MT8789: All versions

MT8791: All versions

MT8791T: All versions

MT8797: All versions

External links

http://corp.mediatek.com/product-security-bulletin/July-2023

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

14) Type confusion

EUVDB-ID: #VU77892

Risk: Low

CVSSv3.1: 5.8 [CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-20768

CWE-ID: CWE-843 - Type confusion

Exploit availability: No

Description

The vulnerability allows a local privileged application to execute arbitrary code.

The vulnerability exists due to type confusion within ion. A local privileged application can execute arbitrary code.

Mitigation

Install security update from vendor's website.

Vulnerable software versions

MT6580: All versions

MT6735: All versions

MT6737: All versions

MT6739: All versions

MT6753: All versions

MT6757: All versions

MT6757C: All versions

MT6757CD: All versions

MT6757CH: All versions

MT6761: All versions

MT6762: All versions

MT6763: All versions

MT6765: All versions

MT6768: All versions

MT6769: All versions

MT6771: All versions

MT6779: All versions

MT6781: All versions

MT6785: All versions

MT6833: All versions

MT6853: All versions

MT6853T: All versions

MT6873: All versions

MT6875: All versions

MT6877: All versions

MT6883: All versions

MT6885: All versions

MT6889: All versions

MT6891: All versions

MT6893: All versions

MT8168: All versions

MT8195: All versions

MT8321: All versions

MT8666: All versions

MT8675: All versions

MT8765: All versions

MT8766: All versions

MT8768: All versions

MT8786: All versions

MT8788: All versions

MT8791T: All versions

MT8797: All versions

External links

http://corp.mediatek.com/product-security-bulletin/July-2023

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

15) Improper input validation

EUVDB-ID: #VU77891

Risk: Low

CVSSv3.1: 5.8 [CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-20767

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a local privileged application to execute arbitrary code.

The vulnerability exists due to a missing bounds check within pqframework. A local privileged application can execute arbitrary code.

Mitigation

Install security update from vendor's website.

Vulnerable software versions

MT6879: All versions

MT6886: All versions

MT6895: All versions

MT6983: All versions

MT6985: All versions

MT8167: All versions

MT8168: All versions

MT8195: All versions

MT8673: All versions

External links

http://corp.mediatek.com/product-security-bulletin/July-2023

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

16) Improper input validation

EUVDB-ID: #VU77890

Risk: Low

CVSSv3.1: 5.8 [CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-20766

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a local privileged application to execute arbitrary code.

The vulnerability exists due to a missing bounds check within gps. A local privileged application can execute arbitrary code.

Mitigation

Install security update from vendor's website.

Vulnerable software versions

MT6580: All versions

MT6735: All versions

MT6739: All versions

MT6753: All versions

MT6757: All versions

MT6761: All versions

MT6762: All versions

MT6763: All versions

MT6765: All versions

MT6768: All versions

MT6769: All versions

MT6771: All versions

MT6779: All versions

MT6781: All versions

MT6785: All versions

MT6789: All versions

MT6833: All versions

MT6853: All versions

MT6853T: All versions

MT6855: All versions

MT6873: All versions

MT6875: All versions

MT6877: All versions

MT6879: All versions

MT6886: All versions

MT6891: All versions

MT6893: All versions

MT6895: All versions

MT6983: All versions

MT6985: All versions

MT8167: All versions

MT8168: All versions

MT8173: All versions

MT8175: All versions

MT8185: All versions

MT8321: All versions

MT8362A: All versions

MT8365: All versions

MT8385: All versions

MT8666: All versions

MT8667: All versions

MT8675: All versions

MT8765: All versions

MT8766: All versions

MT8768: All versions

MT8781: All versions

MT8786: All versions

MT8788: All versions

MT8789: All versions

MT8791: All versions

MT8791T: All versions

MT8797: All versions

External links

http://corp.mediatek.com/product-security-bulletin/July-2023

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

17) Improper input validation

EUVDB-ID: #VU77889

Risk: Low

CVSSv3.1: 5.8 [CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-20761

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a local privileged application to execute arbitrary code.

The vulnerability exists due to a missing bounds check within ril. A local privileged application can execute arbitrary code.

Mitigation

Install security update from vendor's website.

Vulnerable software versions

MT6739: All versions

MT6761: All versions

MT6762: All versions

MT6763: All versions

MT6765: All versions

MT6768: All versions

MT6769: All versions

MT6771: All versions

MT6779: All versions

MT6781: All versions

MT6785: All versions

MT6789: All versions

MT6833: All versions

MT6835: All versions

MT6853: All versions

MT6853T: All versions

MT6855: All versions

MT6873: All versions

MT6875: All versions

MT6877: All versions

MT6879: All versions

MT6883: All versions

MT6885: All versions

MT6886: All versions

MT6889: All versions

MT6891: All versions

MT6893: All versions

MT6895: All versions

MT6983: All versions

MT6985: All versions

MT8321: All versions

MT8765: All versions

MT8766: All versions

MT8768: All versions

MT8781: All versions

MT8786: All versions

MT8788: All versions

MT8789: All versions

MT8791: All versions

MT8791T: All versions

MT8797: All versions

External links

http://corp.mediatek.com/product-security-bulletin/July-2023

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

18) Improper input validation

EUVDB-ID: #VU77888

Risk: Low

CVSSv3.1: 5.8 [CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-20760

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a local privileged application to execute arbitrary code.

The vulnerability exists due to a missing bounds check within apu. A local privileged application can execute arbitrary code.

Mitigation

Install security update from vendor's website.

Vulnerable software versions

MT6879: All versions

MT6895: All versions

MT6983: All versions

MT8195: All versions

External links

http://corp.mediatek.com/product-security-bulletin/July-2023

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

19) Improper input validation

EUVDB-ID: #VU77887

Risk: Low

CVSSv3.1: 2 [CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-20759

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a local privileged application to perform service disruption.

The vulnerability exists due to a missing bounds check within cmdq. A local privileged application can perform service disruption.

Mitigation

Install security update from vendor's website.

Vulnerable software versions

MT6739: All versions

MT6768: All versions

MT6771: All versions

MT6781: All versions

MT6785: All versions

MT6833: All versions

MT6853: All versions

MT6853T: All versions

MT6873: All versions

MT6877: All versions

MT6883: All versions

MT6885: All versions

MT6889: All versions

MT6893: All versions

MT8786: All versions

MT8789: All versions

MT8797: All versions

External links

http://corp.mediatek.com/product-security-bulletin/July-2023

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

20) Improper input validation

EUVDB-ID: #VU77886

Risk: Low

CVSSv3.1: 2 [CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-20758

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a local privileged application to perform service disruption.

The vulnerability exists due to a missing bounds check within cmdq. A local privileged application can perform service disruption.

Mitigation

Install security update from vendor's website.

Vulnerable software versions

MT6739: All versions

MT6768: All versions

MT6771: All versions

MT6781: All versions

MT6785: All versions

MT6833: All versions

MT6853: All versions

MT6853T: All versions

MT6873: All versions

MT6877: All versions

MT6883: All versions

MT6885: All versions

MT6889: All versions

MT6893: All versions

MT8786: All versions

MT8789: All versions

MT8797: All versions

External links

http://corp.mediatek.com/product-security-bulletin/July-2023

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

21) Improper input validation

EUVDB-ID: #VU77885

Risk: Low

CVSSv3.1: 5.8 [CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-20757

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a local privileged application to execute arbitrary code.

The vulnerability exists due to a missing bounds check within cmdq. A local privileged application can execute arbitrary code.

Mitigation

Install security update from vendor's website.

Vulnerable software versions

MT6739: All versions

MT6768: All versions

MT6771: All versions

MT6785: All versions

MT6833: All versions

MT6853: All versions

MT6853T: All versions

MT6873: All versions

MT6877: All versions

MT6883: All versions

MT6885: All versions

MT6889: All versions

MT6893: All versions

MT8786: All versions

MT8789: All versions

MT8797: All versions

External links

http://corp.mediatek.com/product-security-bulletin/July-2023

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

22) Integer overflow

EUVDB-ID: #VU77884

Risk: Low

CVSSv3.1: 5.8 [CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-20756

CWE-ID: CWE-190 - Integer overflow

Exploit availability: No

Description

The vulnerability allows a local privileged application to execute arbitrary code.

The vulnerability exists due to an integer overflow within keyinstall. A local privileged application can execute arbitrary code.

Mitigation

Install security update from vendor's website.

Vulnerable software versions

MT6580: All versions

MT6731: All versions

MT6735: All versions

MT6737: All versions

MT6739: All versions

MT6753: All versions

MT6757: All versions

MT6757C: All versions

MT6757CD: All versions

MT6757CH: All versions

MT6761: All versions

MT6762: All versions

MT6763: All versions

MT6765: All versions

MT6768: All versions

MT6769: All versions

MT6771: All versions

MT6779: All versions

MT6781: All versions

MT6785: All versions

MT6789: All versions

MT6833: All versions

MT6835: All versions

MT6853: All versions

MT6853T: All versions

MT6855: All versions

MT6873: All versions

MT6875: All versions

MT6877: All versions

MT6879: All versions

MT6883: All versions

MT6885: All versions

MT6886: All versions

MT6889: All versions

MT6891: All versions

MT6893: All versions

MT6895: All versions

MT6983: All versions

MT6985: All versions

MT8185: All versions

MT8321: All versions

MT8385: All versions

MT8666: All versions

MT8667: All versions

MT8765: All versions

MT8766: All versions

MT8768: All versions

MT8781: All versions

MT8786: All versions

MT8788: All versions

MT8789: All versions

MT8791: All versions

MT8791T: All versions

MT8797: All versions

External links

http://corp.mediatek.com/product-security-bulletin/July-2023

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

23) Out-of-bounds write

EUVDB-ID: #VU77883

Risk: Low

CVSSv3.1: 5.8 [CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-20753

CWE-ID: CWE-787 - Out-of-bounds write

Exploit availability: No

Description

The vulnerability allows a local privileged application to execute arbitrary code.

The vulnerability exists due to a logic error within rpmb. A local privileged application can execute arbitrary code.

Mitigation

Install security update from vendor's website.

Vulnerable software versions

MT6580: All versions

MT6731: All versions

MT6735: All versions

MT6737: All versions

MT6739: All versions

MT6753: All versions

MT6757: All versions

MT6757C: All versions

MT6757CD: All versions

MT6757CH: All versions

MT6761: All versions

MT6762: All versions

MT6763: All versions

MT6765: All versions

MT6768: All versions

MT6769: All versions

MT6771: All versions

MT6779: All versions

MT6781: All versions

MT6785: All versions

MT6789: All versions

MT6833: All versions

MT6835: All versions

MT6853: All versions

MT6853T: All versions

MT6855: All versions

MT6873: All versions

MT6875: All versions

MT6877: All versions

MT6879: All versions

MT6883: All versions

MT6885: All versions

MT6886: All versions

MT6889: All versions

MT6891: All versions

MT6893: All versions

MT6895: All versions

MT6983: All versions

MT6985: All versions

MT8185: All versions

MT8321: All versions

MT8385: All versions

MT8666: All versions

MT8673: All versions

MT8675: All versions

MT8765: All versions

MT8766: All versions

MT8768: All versions

MT8781: All versions

MT8786: All versions

MT8788: All versions

MT8789: All versions

MT8791T: All versions

MT8797: All versions

External links

http://corp.mediatek.com/product-security-bulletin/July-2023

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

24) Improper input validation

EUVDB-ID: #VU77882

Risk: Low

CVSSv3.1: 5.8 [CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-20755

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a local privileged application to execute arbitrary code.

The vulnerability exists due to an integer overflow within keyinstall. A local privileged application can execute arbitrary code.

Mitigation

Install security update from vendor's website.

Vulnerable software versions

MT6580: All versions

MT6731: All versions

MT6735: All versions

MT6737: All versions

MT6739: All versions

MT6753: All versions

MT6757: All versions

MT6757C: All versions

MT6757CD: All versions

MT6757CH: All versions

MT6761: All versions

MT6762: All versions

MT6763: All versions

MT6765: All versions

MT6768: All versions

MT6769: All versions

MT6771: All versions

MT6779: All versions

MT6781: All versions

MT6785: All versions

MT6789: All versions

MT6833: All versions

MT6835: All versions

MT6853: All versions

MT6853T: All versions

MT6855: All versions

MT6873: All versions

MT6875: All versions

MT6877: All versions

MT6879: All versions

MT6883: All versions

MT6885: All versions

MT6886: All versions

MT6889: All versions

MT6891: All versions

MT6893: All versions

MT6895: All versions

MT6983: All versions

MT6985: All versions

MT8185: All versions

MT8321: All versions

MT8385: All versions

MT8666: All versions

MT8667: All versions

MT8765: All versions

MT8766: All versions

MT8768: All versions

MT8781: All versions

MT8786: All versions

MT8788: All versions

MT8789: All versions

MT8791: All versions

MT8791T: All versions

MT8797: All versions

External links

http://corp.mediatek.com/product-security-bulletin/July-2023

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.