CVE-2023-20685 — MEDIUM (6.4)

Vulnerability Description

In vdec, there is a possible use after free due to a race condition. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS07608575; Issue ID: ALPS07608575.

CVSS Score

6.4

MEDIUM

CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Google	Android	12.0
Mediatek	Mt6789	-
Mediatek	Mt6855	-
Mediatek	Mt6879	-
Mediatek	Mt6895	-
Mediatek	Mt6983	-
Mediatek	Mt8673	-
Mediatek	Mt8781	-
Mediatek	Mt8795T	-
Mediatek	Mt8798	-
Mediatek	Mt8891	-

Related Weaknesses (CWE)

CWE-362

References

https://corp.mediatek.com/product-security-bulletin/April-2023Vendor Advisory
https://corp.mediatek.com/product-security-bulletin/April-2023Vendor Advisory

FAQ

What is CVE-2023-20685?

CVE-2023-20685 is a vulnerability with a CVSS score of 6.4 (MEDIUM). In vdec, there is a possible use after free due to a race condition. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploi...

How severe is CVE-2023-20685?

CVE-2023-20685 has been rated MEDIUM with a CVSS base score of 6.4/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2023-20685?

Check the references section above for vendor advisories and patch information. Affected products include: Google Android, Mediatek Mt6789, Mediatek Mt6855, Mediatek Mt6879, Mediatek Mt6895.