Improper input validation in Freerdp

CVE-2022-39318

FreeRDP is a free remote desktop protocol library and clients. Affected versions of FreeRDP are missing input validation in `urbdrc` channel. A malicious server can trick a FreeRDP based client to crash with division by zero. This issue has been addressed in version 2.9.0. All users are advised to upgrade. Users unable to upgrade should not use the `/usb` redirection switch.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.010 (57.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.8 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2022-39318?
CVE-2022-39318 is a medium-severity vulnerability in Freerdp, classified under Improper Input Validation. CVSS score: 4.8/10. Published 2022-11-16.
How severe is CVE-2022-39318?
Medium severity. CVSS v3 base score is 4.8 out of 10.