PT-2021-16690 · Hdcp Ldfw · Hdcp Ldfw

Federico Menarini + 1 · CVE-2021-25500 · Published 2021-11-05 · Updated 2022-08-01

Positive Technologies (AI Summary)

CVSS v3.1

7.2

High

Base vector

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

Name of the Vulnerable Software and Affected Versions HDCP LDFW versions prior to SMR Nov-2021 Release 1

Description A missing input validation in HDCP LDFW allows attackers to overwrite TZASC, which can lead to TEE compromise.

Recommendations For versions prior to SMR Nov-2021 Release 1, update to SMR Nov-2021 Release 1 or later to resolve the issue.

Fix

Memory Corruption

RCE

Weakness Enumeration

CWE-787

CWE-20

Related Identifiers

CVE-2021-25500

Affected Products

Hdcp Ldfw

References · 3

• https://nvd.nist.gov/vuln/detail/CVE-2021-25500 · Security Note
• https://osv.dev/vulnerability/CVE-2021-25500 · Vendor Advisory
• https://security.samsungmobile.com/securityUpdate.smsb?year=2021&month=11 · Vendor Advisory