PT-2023-17893 · Google · Android

Published 2023-04-01 · Updated 2023-04-25 · CVE-2023-21099

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 through Android-13

Description A logic error in the code of PackageInstallerSession.java allows foreground services to be started from the background, potentially leading to local escalation of privilege without requiring additional execution privileges. User interaction is not necessary for exploitation.

Recommendations For Android versions Android-11 through Android-13, apply the fix for the logic error in PackageInstallerSession.java to prevent foreground services from being started from the background. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Related Identifiers

ASB-A-243377226

CVE-2023-21099

Affected Products

Android

References · 5

• https://osv.dev/vulnerability/CVE-2023-21099 · Vendor Advisory
• https://osv.dev/vulnerability/ASB-A-243377226 · Vendor Advisory
• https://source.android.com/security/bulletin/2023-04-01 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-21099 · Security Note
• https://android.googlesource.com/platform/frameworks/base/+/6aba151873bfae198ef9eceb10f943e18b52d58c · Note