Out of Bounds Write Vulnerability in MediaTek WLAN Driver
CVE-2022-21784

6.7MEDIUM

Key Information:

Vendor

MediaTek
Status
Mt6761, Mt6779, Mt6781, Mt6833, Mt6853, Mt6873, Mt6877, Mt6879, Mt6883, Mt6885, Mt6889, Mt6893, Mt6895, Mt6983, Mt8167s, Mt8168, Mt8175, Mt8183, Mt8185, Mt8362a, Mt8365, Mt8385, Mt8667, Mt8675, Mt8696, Mt8766, Mt8768, Mt8786, Mt8788, Mt8789, Mt8791, Mt8797
Vendor
CVE Published:
6 July 2022

What is CVE-2022-21784?

The WLAN driver from MediaTek contains a vulnerability that allows for an out of bounds write, stemming from a lack of proper bounds checking. This flaw can potentially enable local escalation of privilege, granting an attacker system execution privileges. Notably, this vulnerability does not require any user interaction to be exploited, which heightens its risk profile. Users are encouraged to apply the provided patches to mitigate this risk.

Affected Version(s)

MT6761, MT6779, MT6781, MT6833, MT6853, MT6873, MT6877, MT6879, MT6883, MT6885, MT6889, MT6893, MT6895, MT6983, MT8167S, MT8168, MT8175, MT8183, MT8185, MT8362A, MT8365, MT8385, MT8667, MT8675, MT8696, MT8766, MT8768, MT8786, MT8788, MT8789, MT8791, MT8797 Android 11.0, 12.0

References

https://corp.mediatek.com/product-security-bulletin/July-...
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

.