#VU74522 Improper input validation in MediaTek products - CVE-2023-20666
Vulnerability identifier: #VU74522
Vulnerability risk: Low
CVSSv4.0: 5.7 [CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]
CVE-ID:
CWE-ID:
CWE-20
Exploitation vector: Local
Exploit availability: No
Vulnerable software:
MT6789
Mobile applications /
Mobile firmware & hardware
MT6855
Mobile applications /
Mobile firmware & hardware
MT6895
Mobile applications /
Mobile firmware & hardware
MT6983
Mobile applications /
Mobile firmware & hardware
MT8188
Mobile applications /
Mobile firmware & hardware
MT8195
Mobile applications /
Mobile firmware & hardware
MT8365
Mobile applications /
Mobile firmware & hardware
MT8781
Mobile applications /
Mobile firmware & hardware
MT8795T
Mobile applications /
Mobile firmware & hardware
MT8798
Mobile applications /
Mobile firmware & hardware
Vendor: MediaTek
Description
The vulnerability allows a local privileged application to execute arbitrary code.
The vulnerability exists due to a missing bounds check within display drm. A local privileged application can execute arbitrary code.
Mitigation
Install security update from vendor's website.
Vulnerable software versions
MT6789: All versions
MT6855: All versions
MT6895: All versions
MT6983: All versions
MT8188: All versions
MT8195: All versions
MT8365: All versions
MT8781: All versions
MT8795T: All versions
MT8798: All versions
External links
https://corp.mediatek.com/product-security-bulletin/April-2023
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.
