PT-2022-10960 · Google · Android

Published 2022-02-01 · Updated 2022-02-17 · CVE-2021-39675

Positive Technologies (AI Summary)

CVSS v2.0

10

Critical

Base vector

AV:N/AC:L/Au:N/C:C/I:C/A:C

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

Description The issue is related to a possible out of bounds write due to a heap buffer overflow in the GKI getbuf function of gki buffer.cc. This could lead to remote escalation of privilege with no additional execution privileges needed. User interaction is not required for exploitation.

Recommendations For Android version Android-12, consider applying the security patch from the February 2022 Android Security Bulletin to resolve the issue. As a temporary workaround, no specific mitigation measures are provided, but ensuring the system is up-to-date with the latest security patches is recommended. At the moment, there is no additional information about other versions that may contain a fix for this issue.

Fix

Memory Corruption

Weakness Enumeration

CWE-787

Related Identifiers

ASB-A-205729183

CVE-2021-39675

Affected Products

Android

References · 8

• https://source.android.com/security/bulletin/2022-02-01 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-39675 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-39675 · Security Note
• https://osv.dev/vulnerability/ASB-A-205729183 · Vendor Advisory
• https://t.me/cibsecurity/37325 · Telegram Post
• https://t.me/ckured/90 · Telegram Post
• https://android.googlesource.com/platform/system/nfc/+/fef77a189022aa7ac53136e582a1444b1d2ef5f0 · Note
• https://t.me/ckure/10686 · Telegram Post