Path Traversal in Freerdp
CVE-2022-39347
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.
Vulnerability class: Path Traversal (Directory Traversal)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 2.6 (Low). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:N/A:N.
EPSS exploit prediction
EPSS: 0.010 (60.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 61st percentile — 60.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.009 · newest: 0.010 · change: +0.000
Affected products
- Freerdp — versions < 2.9.0
- Fedoraproject Fedora — versions 36, 37
Weakness classification (CWE)
References
- github.com/FreeRDP/FreeRDP/security/advisories/GHSA-c5xq-8v35-pffg (Third Party Advisory)
- github.com/FreeRDP/FreeRDP/commit/027424c2c6c0991cb9c22f9511478229c9b17e5d (Patch, Third Party Advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- lists.debian.org/debian-lts-announce/2023/11/msg00010.html (mailing-list)
- security.gentoo.org/glsa/202401-16 (vendor-advisory)
- af854a3a-2127-422b-91ae-364da2661108
Frequently asked questions
- What is CVE-2022-39347?
- CVE-2022-39347 is a low-severity vulnerability in Freerdp, classified under Path Traversal. CVSS score: 2.6/10. Published 2022-11-16.
- How severe is CVE-2022-39347?
- Low severity. CVSS v3 base score is 2.6 out of 10.