Out of Bounds Write Vulnerability in MediaTek Preloader USB
CVE-2022-26468

6.6MEDIUM

Key Information:

Vendor
MediaTek
Status
Mt6735, Mt6739, Mt6761, Mt6763, Mt6765, Mt6768, Mt6771, Mt6779, Mt6781, Mt6785, Mt6833, Mt6853, Mt6855, Mt6873, Mt6877, Mt6879, Mt6885, Mt6893, Mt6895, Mt6983, Mt8163, Mt8167, Mt8167s, Mt8168, Mt8173, Mt8175, Mt8183, Mt8185, Mt8321, Mt8362a, Mt8365, Mt8385, Mt8666, Mt8667, Mt8675, Mt8735a, Mt8735b, Mt8765, Mt8766, Mt8768, Mt8786, Mt8788, Mt8789, Mt8797
Vendor
CVE Published:
6 September 2022

Summary

The MediaTek Preloader USB is susceptible to an out of bounds write vulnerability due to a missing bounds check. This issue could permit a local attacker, with physical access to the device, to escalate privileges without needing additional execution permissions. Exploitation of this vulnerability requires user interaction, making it crucial for individuals and organizations using MediaTek products to be aware and apply necessary patches.

Affected Version(s)

MT6735, MT6739, MT6761, MT6763, MT6765, MT6768, MT6771, MT6779, MT6781, MT6785, MT6833, MT6853, MT6855, MT6873, MT6877, MT6879, MT6885, MT6893, MT6895, MT6983, MT8163, MT8167, MT8167S, MT8168, MT8173, MT8175, MT8183, MT8185, MT8321, MT8362A, MT8365, MT8385, MT8666, MT8667, MT8675, MT8735A, MT8735B, MT8765, MT8766, MT8768, MT8786, MT8788, MT8789, MT8797 Android 11.0, 12.0

References

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

CVSS V3.1

Score:
6.6
Severity:
MEDIUM
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Physical
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.