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In doRead of SimpleDecodingSource.cpp, there is a possible out of bounds write due to an incorrect bounds check. This could lead to remote escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-10 Android-11 Android-12 Android-9Android ID: A-194105348
CVE-2021-39623 - Critical Severity Vulnerability
Vulnerable Library - avandroid-9.0.0_r56
Library home page: https://android.googlesource.com/platform/frameworks/av
Found in HEAD commit: a73c164aad600745ef8701c494b86c09c4fb7438
Found in base branch: master
Vulnerable Source Files (1)
/media/libstagefright/SimpleDecodingSource.cpp
Vulnerability Details
In doRead of SimpleDecodingSource.cpp, there is a possible out of bounds write due to an incorrect bounds check. This could lead to remote escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-10 Android-11 Android-12 Android-9Android ID: A-194105348
Publish Date: 2022-01-14
URL: CVE-2021-39623
CVSS 3 Score Details (9.8)
Base Score Metrics:
Suggested Fix
Type: Upgrade version
Origin: https://source.android.com/docs/security/bulletin/2022-01-01
Release Date: 2022-01-14
Fix Resolution: android-12.1.0_r1
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