PT-2021-13106 · Google · Android

Published 2021-04-01 · Updated 2021-04-16 · CVE-2021-0429

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 8.1 through 11

Description: The issue is related to possible memory corruption due to a use after free in the pollOnce function of ALooper.cpp. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not required for exploitation.

Recommendations: For Android versions 8.1 through 11, update to a version that includes the fix for this issue to prevent local escalation of privilege. 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-175074139

CVE-2021-0429

Affected Products

Android

References · 7

• https://source.android.com/security/bulletin/2021-04-01 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-0429 · Security Note
• https://osv.dev/vulnerability/ASB-A-175074139 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-0429 · Vendor Advisory
• https://android.googlesource.com/platform/frameworks/hardware/interfaces/+/f511fda58b8c77b7f81a3586d8ae1cf10a920fce · Note
• https://t.me/cvenotify/13373 · Telegram Post
• https://android.googlesource.com/platform/frameworks/hardware/interfaces/+/429804c700a0b0db72c2e8d239f75e9e105e3ebc · Note