PT-2023-5903 · Mediatek · Mediatek Iommu

Published 2023-08-07 · Updated 2023-08-09 · CVE-2023-20811

Positive Technologies (AI Summary)

CVSS v3.1

6.7

Medium

Base vector

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

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

Description The issue is related to a missing bounds check in the IOMMU, which could lead to a possible out of bounds write. This may result in local escalation of privilege, with System execution privileges needed for exploitation. User interaction is not required for exploitation. The estimated number of potentially affected devices worldwide is not provided. There is no information about real-world incidents where this issue was exploited.

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:2023-06599

CVE-2023-20811

Affected Products

Mediatek Iommu

References · 6

• https://bdu.fstec.ru/vul/2023-06599 · Security Note
• https://corp.mediatek.com/product-security-bulletin/August-2023 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2023-20811 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-20811 · Security Note
• https://t.me/cvenotify/55876 · Telegram Post
• https://t.me/cibsecurity/67848 · Telegram Post