PT-2022-10950 · Google · Android

Published 2022-02-01 · Updated 2022-02-18 · CVE-2021-39665

Positive Technologies (AI Summary)

CVSS v3.1

6.5

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Android versions Android-12

Description In the checkSpsUpdated function of AAVCAssembler.cpp, there is a possible out of bounds read due to a heap buffer overflow. This could lead to remote information disclosure with no additional execution privileges needed. User interaction is needed for exploitation.

Recommendations For Android version Android-12, consider restricting access to the checkSpsUpdated function in AAVCAssembler.cpp to minimize the risk of exploitation until a patch is available.

Fix

Memory Corruption

Weakness Enumeration

CWE-787

Related Identifiers

ASB-A-204077881

CVE-2021-39665

Affected Products

Android

References · 6

• https://source.android.com/security/bulletin/2022-02-01 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-39665 · Vendor Advisory
• https://osv.dev/vulnerability/ASB-A-204077881 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-39665 · Security Note
• https://t.me/cibsecurity/37319 · Telegram Post
• https://android.googlesource.com/platform/frameworks/av/+/d0e524f58873f81549c7abfade30d8c9d2406a1c · Note