PT-2022-10952 · Google · Android

Published 2022-03-01 · Updated 2022-03-23 · CVE-2021-39667

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-10 through Android-12

Description The issue is related to a heap buffer overflow in the ih264d parse decode slice function of ih264d parse slice.c, which could lead to remote information disclosure without requiring additional execution privileges. User interaction is necessary for exploitation.

Recommendations For Android versions Android-10 through Android-12, consider restricting access to the ih264d parse decode slice function until a patch is available. As a temporary workaround, avoid using the affected function in situations where user interaction could be exploited. 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

ASB-A-205702093

CVE-2021-39667

Affected Products

Android

References · 6

• https://nvd.nist.gov/vuln/detail/CVE-2021-39667 · Security Note
• https://osv.dev/vulnerability/ASB-A-205702093 · Vendor Advisory
• https://source.android.com/security/bulletin/2022-03-01 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-39667 · Vendor Advisory
• https://t.me/cibsecurity/39089 · Telegram Post
• https://android.googlesource.com/platform/external/libavc/+/dc110841d6a3fb2f9c9f1af04b3b71da40fbd392 · Note