PT-2021-13316 · Google · Android

Published 2021-09-01 · Updated 2021-10-08 · CVE-2021-0684

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Android versions Android-8.1 through Android-11

Description In TouchInputMapper::sync of TouchInputMapper.cpp, there is a possible out of bounds write due to a use after free. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.

Recommendations For Android versions Android-8.1 through Android-11, update to a version that contains a fix for this issue. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Use After Free

Weakness Enumeration

CWE-416

Related Identifiers

ASB-A-179839665

CVE-2021-0684

Affected Products

Android

References · 8

• https://nvd.nist.gov/vuln/detail/CVE-2021-0684 · Security Note
• https://osv.dev/vulnerability/CVE-2021-0684 · Vendor Advisory
• https://source.android.com/security/bulletin/2021-09-01 · Vendor Advisory
• https://osv.dev/vulnerability/ASB-A-179839665 · Vendor Advisory
• https://t.me/cvenotify/21988 · Telegram Post
• https://t.me/cvenotify/22139 · Telegram Post
• https://t.me/cibsecurity/30052 · Telegram Post
• https://android.googlesource.com/platform/frameworks/native/+/737415ddabe33ff5c59e7cfa0b1a529b416a6313 · Note