Out of Bounds Write Vulnerability in Mailbox Component by MediaTek
CVE-2022-26434

6.7MEDIUM

Key Information:

Vendor

MediaTek
Status
Mt6833, Mt6853, Mt6873, Mt6877, Mt6879, Mt6885, Mt6893, Mt6895, Mt6983, Mt8167, Mt8167s, Mt8168, Mt8173, Mt8175, Mt8185, Mt8321, Mt8362a, Mt8365, Mt8385, Mt8532, Mt8666, Mt8675, Mt8765, Mt8766, Mt8768, Mt8786, Mt8788, Mt8789, Mt8791, Mt8797
Vendor
CVE Published:
1 August 2022

What is CVE-2022-26434?

A vulnerability in the Mailbox component of MediaTek products allows for a potential out of bounds write. This occurs due to a missing bounds check, which could lead to local escalation of privilege. The exploitation of this vulnerability does not require user interaction, making it a serious security concern. The issue has been documented and can be resolved with the application of the appropriate patch (Patch ID: ALPS07138450).

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Ageing Is an Unpatched Zero-Day Vulnerability.

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Deploy the Patch

Affected Version(s)

MT6833, MT6853, MT6873, MT6877, MT6879, MT6885, MT6893, MT6895, MT6983, MT8167, MT8167S, MT8168, MT8173, MT8175, MT8185, MT8321, MT8362A, MT8365, MT8385, MT8532, MT8666, MT8675, MT8765, MT8766, MT8768, MT8786, MT8788, MT8789, MT8791, MT8797 Android 11.0, 12.0 or Yocto 3.1, 3.3

References

https://corp.mediatek.com/product-security-bulletin/Augus...
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

JSON
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