Out of Bounds Write Vulnerability in MediaTek WLAN Driver
CVE-2022-21779

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-2022-21779?

An out of bounds write vulnerability exists in the MediaTek WLAN driver, caused by a missing bounds check. This flaw could lead to local privilege escalation without requiring user interaction, allowing an attacker to gain system execution privileges. Addressing this issue is critical for maintaining the security and integrity of systems utilizing the affected WLAN driver versions. A patch has been released under ID ALPS06704526 to mitigate this risk.

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Deploy the Patch

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

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