Out-of-bounds write in MediaTek products - CVE-2022-26431
Published: August 3, 2022
Vulnerability identifier: #VU66048
CSH Severity: Low
CVSS v4: 8.5 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2022-26431
CWE-ID: CWE-787
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local application to escalate privileges on the system.
The vulnerability exists due to a boundary error within mailbox. A local application can trigger an out-of-bounds write and execute arbitrary code with elevated privileges.
Affected software
MT8385
MT8791
MT8789
MT8788
MT8786
MT8768
MT8766
MT8765
MT8675
MT8666
MT8532
MT6833
MT8321
MT8185
MT6983
MT6895
MT6879
MT8797
MT6893
MT6885
MT6877
MT6873
MT6853
MT8791
MT8789
MT8788
MT8786
MT8768
MT8766
MT8765
MT8675
MT8666
MT8532
MT6833
MT8321
MT8185
MT6983
MT6895
MT6879
MT8797
MT6893
MT6885
MT6877
MT6873
MT6853
How to mitigate CVE-2022-26431
Install updates from vendor's website.