Out of Bounds Write Vulnerability in MediaTek WLAN Driver
CVE-2022-21752

6.7MEDIUM

Key Information:

Vendor

MediaTek
Status
Mt6580, Mt6735, Mt6739, Mt6761, Mt6765, Mt6768, Mt6771, Mt6779, Mt6781, Mt6785, Mt6833, Mt6853, Mt6873, Mt6877, Mt6879, Mt6883, Mt6885, Mt6889, Mt6893, Mt6895, Mt6983, Mt8167s, Mt8168, Mt8175, Mt8183, Mt8185, Mt8362a, Mt8365, Mt8385, Mt8667, Mt8675, Mt8695, Mt8696, Mt8766, Mt8768, Mt8786, Mt8788, Mt8789, Mt8797
Vendor
CVE Published:
6 June 2022

What is CVE-2022-21752?

The MediaTek WLAN driver contains an out of bounds write vulnerability due to inadequate bounds checking, potentially allowing for local escalation of privileges. Exploitation does not require user interaction, which raises concerns around the security of devices utilizing this driver. A patch has been issued to mitigate this vulnerability, and users are encouraged to update their systems promptly to safeguard against potential exploits.

Affected Version(s)

MT6580, MT6735, MT6739, MT6761, MT6765, MT6768, MT6771, MT6779, MT6781, MT6785, MT6833, MT6853, MT6873, MT6877, MT6879, MT6883, MT6885, MT6889, MT6893, MT6895, MT6983, MT8167S, MT8168, MT8175, MT8183, MT8185, MT8362A, MT8365, MT8385, MT8667, MT8675, MT8695, MT8696, MT8766, MT8768, MT8786, MT8788, MT8789, MT8797 Android 11.0, 12.0

References

https://corp.mediatek.com/product-security-bulletin/June-...
x_refsource_MISC

CVSS V3.1

Score:
6.7
Severity:
MEDIUM
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
High
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.