Vulnerability DatabaseCVE-2023-21277

CVE-2023-21277:
NixOS vulnerability analysis and mitigation

Overview

In visitUris of RemoteViews.java, there is a possible way to reveal images across users due to a missing permission check. This vulnerability (CVE-2023-21277) affects Android versions 12.0, 12.1, and 13.0. The vulnerability requires user execution privileges but does not need user interaction for exploitation (NVD).

Technical details

The vulnerability has been assigned a CVSS v3.1 Base Score of 5.5 (MEDIUM) with the vector string CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N. The vulnerability exists in the RemoteViews.java component, specifically in the visitUris function, where a missing permission check could allow unauthorized access to images across different users (NVD).

Impact

The vulnerability could lead to local information disclosure, potentially allowing an attacker to access images that should be restricted to specific users. The attack requires local access and user execution privileges (NVD).

Mitigation and workarounds

A patch has been released to address this vulnerability. The fix is available in the Android security patch dated August 2023. The patch implements proper permission checks in the visitUris function of RemoteViews.java (Android Git, Android Security Bulletin).

Additional resources

Source: This report was generated using AI

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