CVE-2021-41166 Information

Description

The Nextcloud Android app is the Android client for Nextcloud a self-hosted productivity platform. An issue in versions prior to 3.17.1 may lead to sensitive information disclosure. An unauthorized app that does not have the otherwise required MANAGE_DOCUMENTS permission may view image thumbnails for images it does not have permission to view. Version 3.17.1 contains a patch. There are no known workarounds.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Reference

https://github.com/nextcloud/android/commit/aa47197109970b8449c4e44601eba36e3481b086 https://hackerone.com/reports/1358597 https://github.com/nextcloud/security-advisories/security/advisories/GHSA-wrwg-jwpg-r3c4 https://github.com/nextcloud/android/commit/b6ecf515b38c2d82d32743f27236534f3e03ee0c

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

LOW

Availability Impact

NONE

Base Score

NONE

Base Severity

5.3