Out of Bounds Write Vulnerability in WLAN Driver by MediaTek
CVE-2022-21782

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-2022-21782?

An out of bounds write vulnerability exists in the WLAN driver from MediaTek, stemming from a lack of appropriate bounds checking. This flaw can allow an attacker to escalate privileges locally by executing code with system-level execution rights. Notably, the exploitation of this vulnerability does not require any user interaction, making it a significant risk for affected systems. Users and administrators are urged to apply the relevant patches to mitigate this vulnerability, referenced as Patch ID: ALPS06704526 and Issue ID: ALPS06704508.

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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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