Out of Bounds Write Vulnerability in MediaTek VCUs
CVE-2023-20743

6.7MEDIUM

Key Information:

Vendor

MediaTek
Status
MT6789, MT6855, MT8185, MT8195, MT8365, MT8395, MT8781, MT8786, MT8789, MT8791, MT8797
Vendor
CVE Published:
6 June 2023

What is CVE-2023-20743?

An out of bounds write vulnerability exists in MediaTek VCUs due to improper locking mechanisms. This security flaw potentially allows attackers to escalate privileges to system execution without requiring any user interaction, making it a significant risk for local exploits. Affected versions need to apply the necessary patches to mitigate this issue.

Affected Version(s)

MT6789, MT6855, MT8185, MT8195, MT8365, MT8395, MT8781, MT8786, MT8789, MT8791, MT8797 Android 12.0, 13.0 / Yocto 4.0 / Iot-Yocto 22.2

References

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

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

.