PT-2023-5633 · Mediatek · Op-Tee

Published 2023-08-07 · Updated 2023-08-09 · CVE-2023-20808

Positive Technologies (AI Summary)

CVSS v2.0

6.8

Medium

Base vector

AV:L/AC:L/Au:S/C:C/I:C/A:C

Name of the Vulnerable Software and Affected Versions OPTEE (affected versions not specified)

Description The issue is related to a buffer overflow in the OPTEE component of MediaTek chipsets, which could allow an attacker to escalate their privileges. This is due to a missing bounds check, leading to a possible out of bounds write. The exploitation of this issue does not require user interaction and could lead to local escalation of privilege with System execution privileges needed.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Memory Corruption

Weakness Enumeration

CWE-787

Related Identifiers

BDU:2023-06293

CVE-2023-20808

Affected Products

Op-Tee

References · 6

• https://bdu.fstec.ru/vul/2023-06293 · Security Note
• https://corp.mediatek.com/product-security-bulletin/August-2023 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2023-20808 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-20808 · Security Note
• https://t.me/cvenotify/55879 · Telegram Post
• https://t.me/cibsecurity/67857 · Telegram Post