PT-2021-13358 · Google · Android

Published 2021-11-01 · Updated 2023-08-08 · CVE-2021-0928

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-9 through Android-11

Description The issue is related to a parcel serialization/deserialization mismatch in the createFromParcel method of OutputConfiguration.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 versions Android-9 through Android-11, at the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Improper Handling of Exceptional Conditions

RCE

Weakness Enumeration

CWE-755

CWE-20

Related Identifiers

ASB-A-188675581

CVE-2021-0928

Affected Products

Android

References · 6

• 🔥 https://github.com/michalbednarski/ReparcelBug2 · Exploit
• https://source.android.com/security/bulletin/2021-11-01 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-0928 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-0928 · Security Note
• https://osv.dev/vulnerability/ASB-A-188675581 · Vendor Advisory
• https://android.googlesource.com/platform/frameworks/base/+/7bf30cb92ab213c07241ad22def6816ae201dbab · Note