PT-2021-13104 · Google · Android

Published 2021-04-01 · Updated 2021-04-16 · CVE-2021-0427

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-11

Description: The issue is related to a heap buffer overflow in the parseExclusiveStateAnnotation function of LogEvent.cpp. This could lead to a local escalation of privilege with no additional execution privileges needed. User interaction is not required for exploitation.

Recommendations: For Android version Android-11, apply the fix for the heap buffer overflow issue in parseExclusiveStateAnnotation of LogEvent.cpp to prevent local escalation of privilege. As a temporary workaround, consider restricting access to sensitive resources to minimize the risk of exploitation.

Fix

Memory Corruption

Weakness Enumeration

CWE-787

Related Identifiers

ASB-A-174488848

CVE-2021-0427

Affected Products

Android

References · 6

• https://source.android.com/security/bulletin/2021-04-01 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-0427 · Security Note
• https://osv.dev/vulnerability/ASB-A-174488848 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-0427 · Vendor Advisory
• https://android.googlesource.com/platform/frameworks/base/+/19845bc16e53fe3436d61e5bc220deb45b507335 · Note
• https://t.me/cvenotify/13374 · Telegram Post