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CVE-2019-3827

Publication date 11 February 2019

Last updated 24 July 2024

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

7.0 · High

Score breakdown

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.

Read the notes from the security team

Status

Package Ubuntu Release Status
gvfs 18.10 cosmic
Fixed 1.38.1-0ubuntu1.2
18.04 LTS bionic
Fixed 1.36.1-0ubuntu1.3
16.04 LTS xenial
Not affected
14.04 LTS trusty Not in release

Notes

debian

Affecting vgfs since 1.29.4 where admin backend was introduced.

Severity score breakdown

Parameter Value
Base score 7.0 · High
Attack vector Local
Attack complexity High
Privileges required Low
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H