PT-2023-18086 · Google · Android

Published 2023-10-30 · Updated 2023-11-06 · CVE-2023-21306

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Name of the Vulnerable Software and Affected Versions Android versions prior to the fixed version

Description In ContentService, there is a possible way to read installed sync content providers due to side channel information disclosure. This could lead to local information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.

Recommendations For Android versions prior to the fixed version, consider restricting access to the ContentService until a patch is available. As a temporary workaround, avoid using sensitive information with the installed sync content providers until the issue is resolved. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Side Channel Attack

Weakness Enumeration

CWE-203

Related Identifiers

CVE-2023-21306

Affected Products

Android

References · 5

• https://osv.dev/vulnerability/CVE-2023-21306 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-21306 · Security Note
• https://source.android.com/docs/security/bulletin/android-14 · Vendor Advisory
• https://twitter.com/VulmonFeeds/status/1719086128408457260 · Twitter Post
• https://twitter.com/CVEnew/status/1719046528860659770 · Twitter Post