PT-2023-18041 · Google · Android

Published 2023-07-01 · Updated 2024-11-06 · CVE-2023-21256

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

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

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

Description The issue is caused by a logic error in the code of SettingsHomepageActivity.java, allowing the launch of arbitrary activities via Settings. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is required for exploitation.

Recommendations For Android versions prior to the fixed version, consider restricting access to the SettingsHomepageActivity.java until a patch is available. As a temporary workaround, avoid using the vulnerable activity to minimize the risk of exploitation. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Incorrect Authorization

Weakness Enumeration

CWE-863

Related Identifiers

ASB-A-268193384

CVE-2023-21256

Affected Products

Android

References · 7

• https://source.android.com/security/bulletin/2023-07-01 · Vendor Advisory
• https://osv.dev/vulnerability/ASB-A-268193384 · Vendor Advisory
• https://android.googlesource.com/platform/packages/apps/Settings/+/62fc1d269f5e754fc8f00b6167d79c3933b4c1f4 · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2023-21256 · Security Note
• https://osv.dev/vulnerability/CVE-2023-21256 · Vendor Advisory
• https://t.me/cvenotify/100813 · Telegram Post
• https://t.me/cibsecurity/66614 · Telegram Post