PT-2023-18050 · Google · Android

Published 2023-08-01 · Updated 2024-10-09 · CVE-2023-21269

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 (affected versions not specified)

Description In the startActivityInner function of ActivityStarter.java, there is a possible way to launch an activity into Picture-in-Picture (PiP) mode from the background due to a bypass of the Background Activity Launch (BAL) restrictions. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Improper Privilege Management

Incorrect Privilege Assignment

Weakness Enumeration

CWE-269

CWE-266

Related Identifiers

ASB-A-271576718

CVE-2023-21269

Affected Products

Android

References · 10

• https://android.googlesource.com/platform/frameworks/base/+/70ec64dc5a2a816d6aa324190a726a85fd749b30 · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2023-21269 · Security Note
• https://source.android.com/security/bulletin/2023-08-01 · Vendor Advisory
• https://osv.dev/vulnerability/ASB-A-271576718 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2023-21269 · Vendor Advisory
• https://t.me/cvenotify/56467 · Telegram Post
• https://t.me/cvenotify/97641 · Telegram Post
• https://twitter.com/CVEnew/status/1691196354691813376 · Twitter Post
• https://twitter.com/VulmonFeeds/status/1691221806261133312 · Twitter Post
• https://t.me/cibsecurity/68488 · Telegram Post