Out of Bounds Read Vulnerability in MediaTek WiFi Driver
CVE-2021-0632

6.5MEDIUM

Key Information:

Vendor
Google
Status
Mt6739, Mt6761, Mt6762, Mt6765, Mt6768, Mt6771, Mt6779, Mt6785, Mt6833, Mt6853, Mt6873, Mt6875, Mt6877, Mt6883, Mt6885, Mt6889, Mt6891, Mt6893, Mt8163, Mt8167, Mt8167s, Mt8168, Mt8173, Mt8175, Mt8183, Mt8185, Mt8195, Mt8321, Mt8362a, Mt8365, Mt8385, Mt8735a, Mt8735b, Mt8765, Mt8766, Mt8768, Mt8786, Mt8788, Mt8789, Mt8791, Mt8797
Vendor
CVE Published:
25 October 2021

Summary

A security vulnerability in the MediaTek WiFi driver allows for potential out of bounds reading of memory due to an insufficient bounds check. This flaw could enable a proximal attacker to disclose sensitive information without requiring additional execution privileges or user interaction. The issue arises under specific build conditions and is attributed to improper memory handling within the driver. Users and administrators should apply available patches to mitigate the risk associated with this vulnerability.

Affected Version(s)

MT6739, MT6761, MT6762, MT6765, MT6768, MT6771, MT6779, MT6785, MT6833, MT6853, MT6873, MT6875, MT6877, MT6883, MT6885, MT6889, MT6891, MT6893, MT8163, MT8167, MT8167S, MT8168, MT8173, MT8175, MT8183, MT8185, MT8195, MT8321, MT8362A, MT8365, MT8385, MT8735A, MT8735B, MT8765, MT8766, MT8768, MT8786, MT8788, MT8789, MT8791, MT8797 Android 8.1, 9.0, 10.0, 11.0

References

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

CVSS V3.1

Score:
6.5
Severity:
MEDIUM
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Adjacent Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.