Use After Free Vulnerability in Mediatek VDEC Product
CVE-2023-20685

6.4MEDIUM

Key Information:

Vendor

MediaTek
Status
Mt6789, Mt6855, Mt6879, Mt6895, Mt6983, Mt8673, Mt8781, Mt8795t, Mt8798, Mt8891
Vendor
CVE Published:
6 April 2023

What is CVE-2023-20685?

A vulnerability exists in Mediatek's VDEC that allows for a use after free condition due to a race condition. This flaw can lead to local privilege escalation, granting the attacker System execution privileges without requiring user interaction. It is crucial for users of the affected VDEC versions to apply the relevant patches to protect against potential exploitation.

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Affected Version(s)

MT6789, MT6855, MT6879, MT6895, MT6983, MT8673, MT8781, MT8795T, MT8798, MT8891 Android 12.0, 13.0

References

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

CVSS V3.1

Score:
6.4
Severity:
MEDIUM
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
High
Privileges Required:
High
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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