CVE-2022-39347
5.7
MEDIUM
CVSS 3.1
EPSS 0.29%
Description
FreeRDP is a free remote desktop protocol library and clients. Affected versions of FreeRDP are missing path canonicalization and base path check for `drive` channel. A malicious server can trick a FreeRDP based client to read files outside the shared directory. This issue has been addressed in version 2.9.0 and all users are advised to upgrade. Users unable to upgrade should not use the `/drive`, `/drives` or `+home-drive` redirection switch.
How to fix CVE-2022-39347
To remediate CVE-2022-39347, upgrade the affected package to a fixed version below.
- —upgrade to 2.3.0+dfsg1-2+deb11u2 or later
Is CVE-2022-39347 being exploited?
Low — EPSS is 0.3%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 2.3.0+dfsg1-2+deb11u2
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.7 | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N |