PT-2021-13054 · Google · Android

Published 2021-03-10 · Updated 2022-07-12 · CVE-2021-0376

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

Description: In the checkUriPermission and related functions of MediaProvider.java, there is a possible way to access external files due to a permissions bypass. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.

Recommendations: For Android version Android-11, consider restricting access to the MediaProvider.java functions until a patch is available. As a temporary workaround, review and restrict file permissions 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

CVE-2021-0376

Affected Products

Android

References · 4

• https://osv.dev/vulnerability/CVE-2021-0376 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-0376 · Security Note
• https://source.android.com/security/bulletin/pixel/2021-03-01 · Vendor Advisory
• https://t.me/cvenotify/11103 · Telegram Post