PT-2021-16666 · Google · Widevine Ta Log

Pox · Published 2021-10-06 · Updated 2022-08-01 · CVE-2021-25476

Positive Technologies (AI Summary)

CVSS v3.1

4.4

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions: Widevine TA log versions prior to SMR Oct-2021 Release 1

Description: An information disclosure issue allows attackers to bypass the ASLR protection mechanism in TEE. This affects the Widevine TA log, enabling potential exploitation.

Recommendations: For versions prior to SMR Oct-2021 Release 1, update to SMR Oct-2021 Release 1 or later to resolve the issue. As a temporary workaround, consider restricting access to sensitive information that could be exposed through the Widevine TA log until a patch is applied.

Fix

Weakness Enumeration

CWE-1295

Related Identifiers

CVE-2021-25476

Affected Products

Widevine Ta Log

References · 5

• https://nvd.nist.gov/vuln/detail/CVE-2021-25476 · Security Note
• https://security.samsungmobile.com/securityUpdate.smsb?year=2021&month=10 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-25476 · Vendor Advisory
• https://t.me/cvenotify/22006 · Telegram Post
• https://t.me/cvenotify/34068 · Telegram Post