Multiple vulnerabilities in MediaTek chipsets

Published: 2024-07-01

Risk	Low
Patch available	YES
Number of vulnerabilities	6
CVE-ID	CVE-2024-20077 CVE-2024-20076 CVE-2024-20078 CVE-2024-20079 CVE-2024-20080 CVE-2024-20081
CWE-ID	CWE-119 CWE-843 CWE-787 CWE-295
Exploitation vector	Local
Public exploit	N/A
Vulnerable software Subscribe	MT2731 Mobile applications / Mobile firmware & hardware MT6739 Mobile applications / Mobile firmware & hardware MT6761 Mobile applications / Mobile firmware & hardware MT6762 Mobile applications / Mobile firmware & hardware MT6763 Mobile applications / Mobile firmware & hardware MT6765 Mobile applications / Mobile firmware & hardware MT6767 Mobile applications / Mobile firmware & hardware MT6768 Mobile applications / Mobile firmware & hardware MT6769 Mobile applications / Mobile firmware & hardware MT6771 Mobile applications / Mobile firmware & hardware MT8666 Mobile applications / Mobile firmware & hardware MT8667 Mobile applications / Mobile firmware & hardware MT8765 Mobile applications / Mobile firmware & hardware MT8766 Mobile applications / Mobile firmware & hardware MT8768 Mobile applications / Mobile firmware & hardware MT8781 Mobile applications / Mobile firmware & hardware MT8786 Mobile applications / Mobile firmware & hardware MT8788 Mobile applications / Mobile firmware & hardware MT8321 Mobile applications / Mobile firmware & hardware MT8385 Mobile applications / Mobile firmware & hardware MT8755 Mobile applications / Mobile firmware & hardware MT8771 Mobile applications / Mobile firmware & hardware MT8775 Mobile applications / Mobile firmware & hardware MT8789 Mobile applications / Mobile firmware & hardware MT8791T Mobile applications / Mobile firmware & hardware MT8792 Mobile applications / Mobile firmware & hardware MT8795T Mobile applications / Mobile firmware & hardware MT8796 Mobile applications / Mobile firmware & hardware MT8798 Mobile applications / Mobile firmware & hardware MT6789 Mobile applications / Mobile firmware & hardware MT6833 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 MT6989 Mobile applications / Mobile firmware & hardware MT8673 Mobile applications / Mobile firmware & hardware MT8676 Mobile applications / Mobile firmware & hardware MT8678 Mobile applications / Mobile firmware & hardware MT2735 Mobile applications / Mobile firmware & hardware MT2737 Mobile applications / Mobile firmware & hardware MT6880 Mobile applications / Mobile firmware & hardware MT6890 Mobile applications / Mobile firmware & hardware MT6980 Mobile applications / Mobile firmware & hardware MT6990 Mobile applications / Mobile firmware & hardware MT6779 Hardware solutions / Firmware MT8797 Hardware solutions / Firmware MT6781 Hardware solutions / Firmware MT6785 Hardware solutions / Firmware MT6853 Hardware solutions / Firmware MT6853T Hardware solutions / Firmware MT6873 Hardware solutions / Firmware MT6875 Hardware solutions / Firmware MT6877 Hardware solutions / Firmware MT6883 Hardware solutions / Firmware MT6885 Hardware solutions / Firmware MT6889 Hardware solutions / Firmware MT6891 Hardware solutions / Firmware MT6893 Hardware solutions / Firmware
Vendor	MediaTek

Security Bulletin

This security bulletin contains information about 6 vulnerabilities.

1) Memory corruption

EUVDB-ID: #VU93555

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-2024-20077

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

The vulnerability allows a local application to perform service disruption.

The vulnerability exists due to incorrect error handling within Modem. A local application can perform service disruption.

Mitigation

Install security update from vendor's website.

Vulnerable software versions

MT2731: All versions

MT6739: All versions

MT6761: All versions

MT6762: All versions

MT6763: All versions

MT6765: All versions

MT6767: All versions

MT6768: All versions

MT6769: All versions

MT6771: 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

External links

http://corp.mediatek.com/product-security-bulletin/July-2024

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) Memory corruption

EUVDB-ID: #VU93556

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-2024-20076

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

The vulnerability allows a local application to perform service disruption.

The vulnerability exists due to incorrect error handling within Modem. A local application can perform service disruption.

Mitigation

Install security update from vendor's website.

Vulnerable software versions

MT2731: All versions

MT6739: All versions

MT6761: All versions

MT6762: All versions

MT6763: All versions

MT6765: All versions

MT6767: All versions

MT6768: All versions

MT6769: All versions

MT6771: 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

External links

http://corp.mediatek.com/product-security-bulletin/July-2024

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) Type confusion

EUVDB-ID: #VU93557

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-2024-20078

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 venc. A local privileged application can execute arbitrary code.

Mitigation

Install security update from vendor's website.

Vulnerable software versions

MT6768: All versions

MT6779: All versions

MT8321: All versions

MT8385: All versions

MT8755: All versions

MT8765: All versions

MT8766: All versions

MT8768: All versions

MT8771: All versions

MT8775: All versions

MT8781: All versions

MT8786: All versions

MT8788: All versions

MT8789: All versions

MT8791T: All versions

MT8792: All versions

MT8795T: All versions

MT8796: All versions

MT8797: All versions

MT8798: All versions

External links

http://corp.mediatek.com/product-security-bulletin/July-2024

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) Out-of-bounds write

EUVDB-ID: #VU93558

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-2024-20079

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 improper input validation within gnss. A local privileged application can execute arbitrary code.

Mitigation

Install security update from vendor's website.

Vulnerable software versions

MT6761: All versions

MT6765: All versions

MT6768: 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

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

MT6989: All versions

MT8666: All versions

MT8667: All versions

MT8673: All versions

MT8676: All versions

MT8678: All versions

External links

http://corp.mediatek.com/product-security-bulletin/July-2024

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) Improper Certificate Validation

EUVDB-ID: #VU93559

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-2024-20080

CWE-ID: CWE-295 - Improper Certificate Validation

Exploit availability: No

Description

The vulnerability allows a local application to execute arbitrary code.

The vulnerability exists due to improper certificate validation within gnss. A local application can execute arbitrary code.

Mitigation

Install security update from vendor's website.

Vulnerable software versions

MT2735: All versions

MT2737: All versions

MT6761: All versions

MT6765: All versions

MT6768: 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

MT6880: All versions

MT6883: All versions

MT6885: All versions

MT6886: All versions

MT6889: All versions

MT6890: All versions

MT6891: All versions

MT6893: All versions

MT6895: All versions

MT6980: All versions

MT6983: All versions

MT6985: All versions

MT6989: All versions

MT6990: All versions

MT8666: All versions

MT8667: All versions

MT8673: All versions

MT8676: All versions

MT8678: All versions

External links

http://corp.mediatek.com/product-security-bulletin/July-2024

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) Out-of-bounds write

EUVDB-ID: #VU93560

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-2024-20081

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 improper input validation within gnss. A local privileged application can execute arbitrary code.

Mitigation

Install security update from vendor's website.

Vulnerable software versions

MT2735: All versions

MT2737: All versions

MT6761: All versions

MT6765: All versions

MT6768: 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

MT6880: All versions

MT6883: All versions

MT6885: All versions

MT6886: All versions

MT6889: All versions

MT6890: All versions

MT6891: All versions

MT6893: All versions

MT6895: All versions

MT6980: All versions

MT6983: All versions

MT6985: All versions

MT6989: All versions

MT6990: All versions

MT8666: All versions

MT8667: All versions

MT8673: All versions

MT8676: All versions

MT8678: All versions

External links

http://corp.mediatek.com/product-security-bulletin/July-2024

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.