PT-2020-11710 · Google · Android

Published 2020-09-17 · Updated 2021-07-21 · CVE-2020-0357

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 prior to Android-11

Description The issue is related to a possible use-after-free in SurfaceFlinger due to improper locking. This could lead to local escalation of privilege in the graphics server with no additional execution privileges needed. User interaction is not required for exploitation.

Recommendations For Android versions prior to Android-11, update to Android-11 or a later version to resolve the issue. As a temporary workaround, consider restricting access to the graphics server to minimize the risk of exploitation.

Fix

Improper Locking

Use After Free

Weakness Enumeration

CWE-667

CWE-416

Related Identifiers

CVE-2020-0357

Affected Products

Android

References · 3

• https://osv.dev/vulnerability/CVE-2020-0357 · Vendor Advisory
• https://source.android.com/security/bulletin/android-11 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-0357 · Security Note