Multiple vulnerabilities in MediaTek chipsets

Published: 2024-05-06

Risk	Medium
Patch available	YES
Number of vulnerabilities	10
CVE-ID	CVE-2024-20056 CVE-2024-20057 CVE-2023-32873 CVE-2023-32871 CVE-2024-20058 CVE-2024-20059 CVE-2024-20060 CVE-2024-20064 CVE-2024-20021 CVE-2023-24023
CWE-ID	CWE-20 CWE-787 CWE-391 CWE-125 CWE-1332 CWE-269 CWE-347
Exploitation vector	Local network
Public exploit	Public exploit code for vulnerability #10 is available.
Vulnerable software Subscribe	MT6739 Mobile applications / Mobile firmware & hardware MT6761 Mobile applications / Mobile firmware & hardware MT6765 Mobile applications / Mobile firmware & hardware MT6768 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 MT6880 Mobile applications / Mobile firmware & hardware MT6886 Mobile applications / Mobile firmware & hardware MT6890 Mobile applications / Mobile firmware & hardware MT6895 Mobile applications / Mobile firmware & hardware MT6897 Mobile applications / Mobile firmware & hardware MT6983 Mobile applications / Mobile firmware & hardware MT6985 Mobile applications / Mobile firmware & hardware MT6989 Mobile applications / Mobile firmware & hardware MT8666 Mobile applications / Mobile firmware & hardware MT8667 Mobile applications / Mobile firmware & hardware MT8673 Mobile applications / Mobile firmware & hardware MT8676 Mobile applications / Mobile firmware & hardware MT8678 Mobile applications / Mobile firmware & hardware MT6879 Mobile applications / Mobile firmware & hardware MT8321 Mobile applications / Mobile firmware & hardware MT8385 Mobile applications / Mobile firmware & hardware MT8755 Mobile applications / Mobile firmware & hardware MT8765 Mobile applications / Mobile firmware & hardware MT8766 Mobile applications / Mobile firmware & hardware MT8768 Mobile applications / Mobile firmware & hardware MT8771 Mobile applications / Mobile firmware & hardware MT8781 Mobile applications / Mobile firmware & hardware MT8786 Mobile applications / Mobile firmware & hardware MT8788 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 MT2737 Mobile applications / Mobile firmware & hardware MT6771 Mobile applications / Mobile firmware & hardware MT6980 Mobile applications / Mobile firmware & hardware MT6990 Mobile applications / Mobile firmware & hardware MT8167 Mobile applications / Mobile firmware & hardware MT8167S Mobile applications / Mobile firmware & hardware MT8168 Mobile applications / Mobile firmware & hardware MT8173 Mobile applications / Mobile firmware & hardware MT8175 Mobile applications / Mobile firmware & hardware MT8185 Mobile applications / Mobile firmware & hardware MT8188 Mobile applications / Mobile firmware & hardware MT8195 Mobile applications / Mobile firmware & hardware MT8362A Mobile applications / Mobile firmware & hardware MT8365 Mobile applications / Mobile firmware & hardware MT8390 Mobile applications / Mobile firmware & hardware MT8395 Mobile applications / Mobile firmware & hardware MT8775 Mobile applications / Mobile firmware & hardware MT8791 Mobile applications / Mobile firmware & hardware MT8798 Mobile applications / Mobile firmware & hardware MT6580 Mobile applications / Mobile firmware & hardware MT8370 Mobile applications / Mobile firmware & hardware MT6762 Mobile applications / Mobile firmware & hardware MT8183 Mobile applications / Mobile firmware & hardware MT8188T Mobile applications / Mobile firmware & hardware MT8195Z Mobile applications / Mobile firmware & hardware MT8666A Mobile applications / Mobile firmware & hardware MT8666B Mobile applications / Mobile firmware & hardware MT8675 Mobile applications / Mobile firmware & hardware MT8766Z Mobile applications / Mobile firmware & hardware MT8768A Mobile applications / Mobile firmware & hardware MT8768B Mobile applications / Mobile firmware & hardware MT8768T Mobile applications / Mobile firmware & hardware MT8768Z Mobile applications / Mobile firmware & hardware MT8788T Mobile applications / Mobile firmware & hardware MT8788X Mobile applications / Mobile firmware & hardware MT8788Z Mobile applications / Mobile firmware & hardware MT7933 Mobile applications / Mobile firmware & hardware MT6781 Hardware solutions / Firmware MT6785 Hardware solutions / Firmware MT6853 Hardware solutions / Firmware MT6873 Hardware solutions / Firmware MT6885 Hardware solutions / Firmware MT6893 Hardware solutions / Firmware MT6779 Hardware solutions / Firmware MT6877 Hardware solutions / Firmware MT6883 Hardware solutions / Firmware MT6889 Hardware solutions / Firmware MT6853T 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 10 vulnerabilities.

1) Improper input validation

EUVDB-ID: #VU89134

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-2024-20056

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 insecure default value within preloader. 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

MT6765: All versions

MT6768: All versions

MT6781: All versions

MT6785: All versions

MT6789: All versions

MT6833: All versions

MT6835: All versions

MT6853: All versions

MT6855: All versions

MT6873: All versions

MT6880: All versions

MT6885: All versions

MT6886: All versions

MT6890: All versions

MT6893: All versions

MT6895: All versions

MT6897: 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/May-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) Out-of-bounds write

EUVDB-ID: #VU89135

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-2024-20057

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 missing bounds check within keyInstall. 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

MT6779: All versions

MT6781: All versions

MT6785: All versions

MT6789: All versions

MT6833: All versions

MT6835: All versions

MT6853: 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

MT6897: All versions

MT6983: All versions

MT8321: All versions

MT8385: All versions

MT8755: All versions

MT8765: All versions

MT8766: All versions

MT8768: All versions

MT8771: 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

External links

http://corp.mediatek.com/product-security-bulletin/May-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) Out-of-bounds write

EUVDB-ID: #VU89136

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-2023-32873

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 missing bounds check within keyInstall. 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

MT6833: All versions

MT6853: All versions

MT6855: All versions

MT6893: All versions

MT6895: All versions

MT6983: All versions

MT8321: All versions

MT8385: All versions

MT8755: All versions

MT8765: All versions

MT8766: All versions

MT8768: All versions

MT8771: 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

External links

http://corp.mediatek.com/product-security-bulletin/May-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) Unchecked Error Condition

EUVDB-ID: #VU89137

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-2023-32871

CWE-ID: CWE-391 - Unchecked Error Condition

Exploit availability: No

Description

The vulnerability allows a local application to execute arbitrary code.

The vulnerability exists due to an incorrect status check within DA. A local application can execute arbitrary code.

Mitigation

Install security update from vendor's website.

Vulnerable software versions

MT2737: All versions

MT6739: 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

MT6880: All versions

MT6883: All versions

MT6885: All versions

MT6886: All versions

MT6889: All versions

MT6890: All versions

MT6893: All versions

MT6895: All versions

MT6897: All versions

MT6980: All versions

MT6983: All versions

MT6985: All versions

MT6989: All versions

MT6990: All versions

MT8167: All versions

MT8167S: All versions

MT8168: All versions

MT8173: All versions

MT8175: All versions

MT8185: All versions

MT8188: All versions

MT8195: All versions

MT8321: All versions

MT8362A: All versions

MT8365: All versions

MT8385: All versions

MT8390: All versions

MT8395: All versions

MT8755: All versions

MT8765: All versions

MT8766: All versions

MT8768: All versions

MT8775: All versions

MT8781: All versions

MT8786: All versions

MT8788: All versions

MT8789: All versions

MT8791: All versions

MT8791T: All versions

MT8797: All versions

MT8798: All versions

External links

http://corp.mediatek.com/product-security-bulletin/May-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) Out-of-bounds read

EUVDB-ID: #VU89138

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-2024-20058

CWE-ID: CWE-125 - Out-of-bounds read

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 keyInstall. A local privileged application can gain access to sensitive information.

Mitigation

Install security update from vendor's website.

Vulnerable software versions

MT6765: All versions

MT6768: All versions

MT6785: All versions

MT6833: All versions

MT6853: All versions

MT6855: All versions

MT6893: All versions

MT6983: All versions

MT8321: All versions

MT8385: All versions

MT8755: All versions

MT8765: All versions

MT8766: All versions

MT8768: All versions

MT8771: 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/May-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) Improper Handling of Faults that Lead to Instruction Skips

EUVDB-ID: #VU89139

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-2024-20059

CWE-ID: CWE-1332 - Improper Handling of Faults that Lead to Instruction Skips

Exploit availability: No

Description

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

The vulnerability exists due to an incorrect status check within da. 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

MT6781: All versions

MT6789: All versions

MT6833: All versions

MT6835: All versions

MT6853: All versions

MT6855: 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

MT6989: All versions

MT8188: All versions

MT8370: All versions

MT8390: All versions

External links

http://corp.mediatek.com/product-security-bulletin/May-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.

7) Improper Handling of Faults that Lead to Instruction Skips

EUVDB-ID: #VU89140

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-2024-20060

CWE-ID: CWE-1332 - Improper Handling of Faults that Lead to Instruction Skips

Exploit availability: No

Description

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

The vulnerability exists due to an incorrect status check within da. 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

MT6781: All versions

MT6789: All versions

MT6833: All versions

MT6835: All versions

MT6853: All versions

MT6855: 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

MT6989: All versions

MT8188: All versions

MT8370: All versions

MT8390: All versions

External links

http://corp.mediatek.com/product-security-bulletin/May-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.

8) Improper input validation

EUVDB-ID: #VU89141

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-2024-20064

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a local application to execute arbitrary code.

The vulnerability exists due to improper input validation within wlan service. A local application can execute arbitrary code.

Mitigation

Install security update from vendor's website.

Vulnerable software versions

MT6580: All versions

MT6761: All versions

MT6762: All versions

MT6768: All versions

MT6781: 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

MT8678: All versions

MT8755: All versions

MT8775: All versions

MT8792: All versions

MT8796: All versions

External links

http://corp.mediatek.com/product-security-bulletin/May-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.

9) Improper Privilege Management

EUVDB-ID: #VU89142

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-2024-20021

CWE-ID: CWE-269 - Improper Privilege Management

Exploit availability: No

Description

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

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

Mitigation

Install security update from vendor's website.

Vulnerable software versions

MT6768: All versions

MT6781: All versions

MT6785: All versions

MT6833: All versions

MT6853: All versions

MT6873: All versions

MT6877: All versions

MT6885: All versions

MT6893: All versions

MT8168: All versions

MT8183: All versions

MT8188: All versions

MT8188T: All versions

MT8195: All versions

MT8195Z: All versions

MT8321: All versions

MT8362A: All versions

MT8365: All versions

MT8385: All versions

MT8666: All versions

MT8666A: All versions

MT8666B: All versions

MT8667: All versions

MT8673: All versions

MT8675: All versions

MT8676: All versions

MT8678: All versions

MT8765: All versions

MT8766: All versions

MT8766Z: All versions

MT8768: All versions

MT8768A: All versions

MT8768B: All versions

MT8768T: All versions

MT8768Z: All versions

MT8781: All versions

MT8786: All versions

MT8788: All versions

MT8788T: All versions

MT8788X: All versions

MT8788Z: All versions

MT8792: All versions

MT8795T: All versions

MT8796: All versions

MT8798: All versions

External links

http://corp.mediatek.com/product-security-bulletin/May-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.

10) Improper Verification of Cryptographic Signature

EUVDB-ID: #VU83116

Risk: Medium

CVSSv3.1: 6.1 [CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N/E:P/RL:O/RC:C]

CVE-ID: CVE-2023-24023

CWE-ID: CWE-347 - Improper Verification of Cryptographic Signature

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a MitM attack.

The vulnerability exists due to improper verification of cryptographic signature in bluetooth implementation. A remote attacker with physical proximity to the system can perform MitM attack and potentially compromise the system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

MT7933: All versions

External links

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

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the local network (LAN).

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.