USN-4053-1: GVfs vulnerabilities
9 July 2019
Several security issues were fixed in GVfs.
- gvfs - Userspace virtual filesystem
It was discovered that GVfs incorrectly handled the admin backend. Files
created or moved by the admin backend could end up with the wrong ownership
information, contrary to expectations. This issue only affected Ubuntu
18.04 LTS, Ubuntu 18.10, and Ubuntu 19.04. (CVE-2019-12447, CVE-2019-12448,
It was discovered that GVfs incorrectly handled authentication on its
private D-Bus socket. A local attacker could possibly connect to this
socket and issue D-Bus calls. (CVE-2019-12795)
The problem can be corrected by updating your system to the following package versions:
In general, a standard system update will make all the necessary changes.