Out-of-bounds write in MediaTek products - CVE-2022-26434
Published: August 3, 2022
Vulnerability identifier: #VU66051
CSH Severity: Low
CVSS v4.0: 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/E:U/U:Clear
CVE-ID: CVE-2022-26434
CWE-ID: CWE-787
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: MediaTek
Affected software:
MT6833
MT6879
MT6895
MT6983
MT8167
MT8167S
MT8168
MT8173
MT8175
MT8185
MT8321
MT8362A
MT8365
MT8385
MT8532
MT8666
MT8675
MT8765
MT8766
MT8768
MT8786
MT8788
MT8789
MT8791
MT6853
MT6873
MT6877
MT6885
MT6893
MT8797
MT6833
MT6879
MT6895
MT6983
MT8167
MT8167S
MT8168
MT8173
MT8175
MT8185
MT8321
MT8362A
MT8365
MT8385
MT8532
MT8666
MT8675
MT8765
MT8766
MT8768
MT8786
MT8788
MT8789
MT8791
MT6853
MT6873
MT6877
MT6885
MT6893
MT8797
Detailed vulnerability description
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.
How to mitigate CVE-2022-26434
Install updates from vendor's website.