#VU72979 Out-of-bounds read in MediaTek products - CVE-2021-0666
Vulnerability identifier: #VU72979
Vulnerability risk: Low
CVSSv4.0: 1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]
CVE-ID:
CWE-ID:
CWE-125
Exploitation vector: Local
Exploit availability: No
Vulnerable software:
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
MT8195
Mobile applications /
Mobile firmware & hardware
MT8791
Mobile applications /
Mobile firmware & hardware
MT9636
Mobile applications /
Mobile firmware & hardware
MT9638
Mobile applications /
Mobile firmware & hardware
MT9639
Mobile applications /
Mobile firmware & hardware
MT9650
Mobile applications /
Mobile firmware & hardware
MT9652
Mobile applications /
Mobile firmware & hardware
MT9669
Mobile applications /
Mobile firmware & hardware
MT9686
Mobile applications /
Mobile firmware & hardware
MT9970
Mobile applications /
Mobile firmware & hardware
MT9980
Mobile applications /
Mobile firmware & hardware
MT9981
Mobile applications /
Mobile firmware & hardware
Vendor: MediaTek
Description
The vulnerability allows a local privileged application to gain access to sensitive information.
The vulnerability exists due to an incorrect bounds check within apusys. A local privileged application can gain access to sensitive information.
Mitigation
Install security update from vendor's website.
Vulnerable software versions
MT6873: All versions
MT6875: All versions
MT6877: All versions
MT6883: All versions
MT6885: All versions
MT6889: All versions
MT6891: All versions
MT6893: All versions
MT8195: All versions
MT8791: All versions
MT8797: All versions
MT9636: All versions
MT9638: All versions
MT9639: All versions
MT9650: All versions
MT9652: All versions
MT9669: All versions
MT9686: All versions
MT9970: All versions
MT9980: All versions
MT9981: All versions
External links
https://corp.mediatek.com/product-security-bulletin/November-2021
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.
