Vulnerability identifier: #VU66038
Vulnerability risk: Low
CVSSv3.1: 7 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-362
Exploitation vector: Local
Exploit availability: Yes
Vulnerable software:
MT6779
Hardware solutions /
Firmware
MT6781
Hardware solutions /
Firmware
MT6785
Hardware solutions /
Firmware
MT6853
Hardware solutions /
Firmware
MT6853T
Hardware solutions /
Firmware
MT6873
Hardware solutions /
Firmware
MT6875
Hardware solutions /
Firmware
MT6877
Hardware solutions /
Firmware
MT6883
Hardware solutions /
Firmware
MT6885
Hardware solutions /
Firmware
MT6889
Hardware solutions /
Firmware
MT6891
Hardware solutions /
Firmware
MT6893
Hardware solutions /
Firmware
MT8797
Hardware solutions /
Firmware
MT6879
Mobile applications /
Mobile firmware & hardware
MT6895
Mobile applications /
Mobile firmware & hardware
MT6983
Mobile applications /
Mobile firmware & hardware
MT6985
Mobile applications /
Mobile firmware & hardware
MT8791
Mobile applications /
Mobile firmware & hardware
MT8798
Mobile applications /
Mobile firmware & hardware
Vendor: MediaTek
Description
The vulnerability allows a local application to escalate privileges on the system.
The vulnerability exists due to a race condition within the audio ipi. A local application can exploit the race and escalate privileges on the system.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
MT6779: All versions
MT6781: All versions
MT6785: All versions
MT6853: All versions
MT6853T: All versions
MT6873: All versions
MT6875: All versions
MT6877: All versions
MT6879: All versions
MT6883: All versions
MT6885: All versions
MT6889: All versions
MT6891: All versions
MT6893: All versions
MT6895: All versions
MT6983: All versions
MT6985: All versions
MT8791: All versions
MT8797: All versions
MT8798: All versions
External links
http://corp.mediatek.com/product-security-bulletin/August-2022
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. However, proof of concept for this vulnerability is available.