CVE-2023-20808 — MEDIUM (6.7)

Vulnerability Description

In OPTEE, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: DTV03645895; Issue ID: DTV03645895.

CVSS Score

6.7

MEDIUM

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

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Google	Android	11.0
Mediatek	Mt9011	-
Mediatek	Mt9022	-
Mediatek	Mt9618	-
Mediatek	Mt9649	-
Mediatek	Mt9653	-

Related Weaknesses (CWE)

CWE-787

References

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

FAQ

What is CVE-2023-20808?

CVE-2023-20808 is a vulnerability with a CVSS score of 6.7 (MEDIUM). In OPTEE, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not neede...

How severe is CVE-2023-20808?

CVE-2023-20808 has been rated MEDIUM with a CVSS base score of 6.7/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2023-20808?

Check the references section above for vendor advisories and patch information. Affected products include: Google Android, Mediatek Mt9011, Mediatek Mt9022, Mediatek Mt9618, Mediatek Mt9649.