CVE-2018-12559
8.8
HIGH
CVSS 3.1
EPSS 2.1%
Description
An issue was discovered in the cantata-mounter D-Bus service in Cantata through 2.3.1. The mount target path check in mounter.cpp `mpOk()` is insufficient. A regular user can consequently mount a CIFS filesystem anywhere (e.g., outside of the /home directory tree) by passing directory traversal sequences such as a home/../usr substring.
How to fix CVE-2018-12559
To remediate CVE-2018-12559, upgrade the affected package to a fixed version below.
- Debian/cantata—upgrade to 2.3.0.ds1-2 or later
Is CVE-2018-12559 being exploited?
Low — EPSS is 2.1%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 2.3.0.ds1-2
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH8.8 | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |