Incorrect Authorization Affecting gvfs-mtp package, versions <0:1.36.2-3.el7


Severity

Recommended
medium

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.07% (33rd percentile)

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  • Snyk IDSNYK-RHEL7-GVFSMTP-4934947
  • published26 Jul 2021
  • disclosed27 Dec 2018

Introduced: 27 Dec 2018

CVE-2019-3827  (opens in a new tab)
CWE-863  (opens in a new tab)

How to fix?

Upgrade RHEL:7 gvfs-mtp to version 0:1.36.2-3.el7 or higher.
This issue was patched in RHSA-2019:2145.

NVD Description

Note: Versions mentioned in the description apply only to the upstream gvfs-mtp package and not the gvfs-mtp package as distributed by RHEL. See How to fix? for RHEL:7 relevant fixed versions and status.

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 Scores

version 3.1