Permission Bypass in Autoboot Affects MediaTek Products
CVE-2022-21777

7.8HIGH

Key Information:

Vendor
MediaTek
Status
Mt6580, Mt6735, Mt6739, Mt6761, Mt6765, Mt6768, Mt6771, Mt6779, Mt6785, Mt6833, Mt6853, Mt6873, Mt6875, Mt6877, Mt6879, Mt6885, Mt6891, Mt6893, Mt6895, Mt6983, Mt8167, Mt8167s, Mt8168, Mt8173, Mt8175, Mt8185, Mt8321, Mt8362a, Mt8365, Mt8385, Mt8666, Mt8667, Mt8675, Mt8765, Mt8766, Mt8768, Mt8786, Mt8788, Mt8789, Mt8791, Mt8797
Vendor
CVE Published:
6 July 2022

Summary

A vulnerability exists in MediaTek's Autoboot that may allow unauthorized users to bypass permission checks, leading to local escalation of privilege. This issue arises from a lack of adequate permission verification within the software, which can be exploited without requiring additional execution privileges or user interaction. It is critical for users to apply the necessary patches to mitigate this vulnerability and protect their systems.

Affected Version(s)

MT6580, MT6735, MT6739, MT6761, MT6765, MT6768, MT6771, MT6779, MT6785, MT6833, MT6853, MT6873, MT6875, MT6877, MT6879, MT6885, MT6891, MT6893, MT6895, MT6983, MT8167, MT8167S, MT8168, MT8173, MT8175, MT8185, MT8321, MT8362A, MT8365, MT8385, MT8666, MT8667, MT8675, MT8765, 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:
7.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.