PT-2022-10961 · Google · Android

CVE-2021-39676 · Published 2022-02-01 · Updated 2023-08-08

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 version 11

Description The issue is related to a parcel serialization/deserialization mismatch in the writeThrowable function of AndroidFuture.java due to improper input validation. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not required for exploitation.

Recommendations For Android version 11, update to a version that includes the fix for the parcel serialization/deserialization mismatch issue in AndroidFuture.java.

Fix

RCE

Weakness Enumeration

CWE-20

Related Identifiers

ASB-A-197228210

CVE-2021-39676

Affected Products

Android

References · 4

• https://osv.dev/vulnerability/CVE-2021-39676 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-39676 · Security Note
• https://source.android.com/security/bulletin/2022-02-01 · Vendor Advisory
• https://osv.dev/vulnerability/ASB-A-197228210 · Vendor Advisory