CVE-2019-3827 Information

Description

An incorrect permission check in the admin backend in gvfs before version 1.39.4 was found that allows reading and modify arbitrary files by privileged users without asking for password when no authentication agent is running. This vulnerability can be exploited by malicious programs running under privileges of users belonging to the wheel group to further escalate its privileges by modifying system files without user’s knowledge. Successful exploitation requires uncommon system configuration.

CVSS Vector

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

Reference

https://access.redhat.com/errata/RHSA-2019:1517 https://access.redhat.com/errata/RHSA-2019:2145 https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3827 https://gitlab.gnome.org/GNOME/gvfs/merge_requests/31

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

7.0