CVE-2019-3827
First published: Fri Jan 11 2019(Updated: )
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.
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/gvfs | <1.39.4 | 1.39.4 |
| GNOME gvfs | <1.39.4 |
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Reference Links
- 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
- https://gitlab.gnome.org/GNOME/gvfs/issues/355
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1673885
- https://access.redhat.com/security/cve/cve-2019-3827
- https://bugzilla.redhat.com/show_bug.cgi?id=1665578
Frequently Asked Questions
What is CVE-2019-3827?
CVE-2019-3827 is a vulnerability found in gvfs before version 1.39.4 that allows privileged users to read and modify arbitrary files without authentication.
How severe is CVE-2019-3827?
CVE-2019-3827 has a high severity rating with a severity value of 7.
Which software is affected by CVE-2019-3827?
gvfs is affected by CVE-2019-3827 before version 1.39.4.
How can CVE-2019-3827 be exploited?
CVE-2019-3827 can be exploited by running malicious programs under privileged user accounts.
How do I fix CVE-2019-3827?
To fix CVE-2019-3827, update gvfs to version 1.39.4 or later.
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