PT-2022-11077 · Google · Android

Published 2022-04-01 · Updated 2022-04-20 · CVE-2021-39804

Positive Technologies (AI Summary)

CVSS v3.1

6.5

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Android versions Android-11 through Android-12L

Description The issue is related to a missing null check in the reinit of HeifDecoderImpl.cpp, which could lead to a crash and result in a remote persistent denial of service in the file picker. No additional execution privileges are needed, but user interaction is required for exploitation.

Recommendations For Android versions Android-11 through Android-12L, update to a version that includes the fix for the missing null check in HeifDecoderImpl.cpp to prevent the crash and potential denial of service.

Fix

NULL Pointer Dereference

Weakness Enumeration

CWE-476

Related Identifiers

ASB-A-215002587

CVE-2021-39804

Affected Products

Android

References · 6

• https://osv.dev/vulnerability/CVE-2021-39804 · Vendor Advisory
• https://osv.dev/vulnerability/ASB-A-215002587 · Vendor Advisory
• https://source.android.com/security/bulletin/2022-04-01 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-39804 · Security Note
• https://t.me/cibsecurity/40621 · Telegram Post
• https://android.googlesource.com/platform/frameworks/av/+/3942f55f1c8e36b0f9d4c5acf99b177476f96457 · Note