Out-of-bounds Read in Freerdp
CVE-2022-39319
FreeRDP is a free remote desktop protocol library and clients. Affected versions of FreeRDP are missing input length validation in the `urbdrc` channel. A malicious server can trick a FreeRDP based client to read out of bound data and send it back to the server. 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 `/usb` redirection switch.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.6 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:L/A:L.
EPSS exploit prediction
EPSS: 0.008 (53.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 53rd percentile — 53.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.007 · newest: 0.008 · 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-mvxm-wfj2-5fvh (Third Party Advisory)
- github.com/FreeRDP/FreeRDP/commit/11555828d2cf289b350baba5ad1f462f10b80b76 (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-2022-39319?
- CVE-2022-39319 is a medium-severity vulnerability in Freerdp, classified under Out-of-bounds Read. CVSS score: 4.6/10. Published 2022-11-16.
- How severe is CVE-2022-39319?
- Medium severity. CVSS v3 base score is 4.6 out of 10.