PT-2021-13317 · Google · Android

Published 2021-09-01 · Updated 2021-10-08 · CVE-2021-0685

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 parcel serialization/deserialization mismatch in ParsedIntentInfo.java due to unsafe deserialization. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.

Recommendations For Android version Android-11, at the moment, there is no information about a newer version that contains a fix for this vulnerability.

Deserialization of Untrusted Data

Weakness Enumeration

CWE-502

Related Identifiers

ASB-A-191055353

CVE-2021-0685

Affected Products

Android

References · 8

• https://osv.dev/vulnerability/ASB-A-191055353 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-0685 · Security Note
• https://osv.dev/vulnerability/CVE-2021-0685 · Vendor Advisory
• https://source.android.com/security/bulletin/2021-09-01 · Vendor Advisory
• https://android.googlesource.com/platform/frameworks/base/+/49cb41f9d7d2ec741bc2ec27717283dc560a9060 · Note
• https://android.googlesource.com/platform/frameworks/base/+/f1c159e1f5b3f0835f045a6d58dfd7fdaf1c01f3 · Note
• https://t.me/cvenotify/22138 · Telegram Post
• https://t.me/cvenotify/21987 · Telegram Post