#VU66973 Out-of-bounds write in MediaTek products - CVE-2022-26464
Vulnerability identifier: #VU66973
Vulnerability risk: Low
CVSSv4.0: 5.9 [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:
CWE-ID:
CWE-787
Exploitation vector: Local
Exploit availability: No
Vulnerable software:
MT6833
Mobile applications /
Mobile firmware & hardware
MT6855
Mobile applications /
Mobile firmware & hardware
MT6879
Mobile applications /
Mobile firmware & hardware
MT6895
Mobile applications /
Mobile firmware & hardware
MT6983
Mobile applications /
Mobile firmware & hardware
MT8791
Mobile applications /
Mobile firmware & hardware
MT6853
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
Vendor: MediaTek
Description
The vulnerability allows a local user to compromise vulnerable system.
The vulnerability exists due to a boundary error when processing untrusted input in vow. A local user can trigger out-of-bounds write and execute arbitrary code on the target system with elevated privileges.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
MT6833: All versions
MT6853: All versions
MT6855: All versions
MT6873: All versions
MT6877: All versions
MT6879: All versions
MT6883: All versions
MT6885: All versions
MT6889: All versions
MT6893: All versions
MT6895: All versions
MT6983: All versions
MT8791: All versions
MT8797: All versions
External links
https://corp.mediatek.com/product-security-bulletin/September-2022
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.
