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Vulnerability · Published Nov 16, 2022 · Assigned by GitHub_M

CVE-2022-39319Missing length validation in urbdrc channel in FreeRDP

Medium 4.6

In plain English

A medium-severity out-of-bounds read in FreeRDP from FreeRDP. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.8% (higher than 56% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)4.6Medium
Exploit odds (30 days)0.8%top 44.3% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

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.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
AlmaLinux:8freerdp2:2.2.0-10.el8ALSA-2023:2851
AlmaLinux:9freerdp2:2.4.1-5.el9ALSA-2023:2326
AlmaLinux:8freerdp-devel2:2.2.0-10.el8ALSA-2023:2851
AlmaLinux:9freerdp-devel2:2.4.1-5.el9ALSA-2023:2326
AlmaLinux:8freerdp-libs2:2.2.0-10.el8ALSA-2023:2851
AlmaLinux:9freerdp-libs2:2.4.1-5.el9ALSA-2023:2326
AlmaLinux:8libwinpr2:2.2.0-10.el8ALSA-2023:2851
AlmaLinux:9libwinpr2:2.4.1-5.el9ALSA-2023:2326
AlmaLinux:8libwinpr-devel2:2.2.0-10.el8ALSA-2023:2851
AlmaLinux:9libwinpr-devel2:2.4.1-5.el9ALSA-2023:2326
Alpine:v3.20freerdp2.9.0-r0ALPINE-CVE-2022-39319
Alpine:v3.21freerdp2.9.0-r0ALPINE-CVE-2022-39319
Alpine:v3.22freerdp2.9.0-r0ALPINE-CVE-2022-39319
Alpine:v3.23freerdp2.9.0-r0ALPINE-CVE-2022-39319
Alpine:v3.24freerdp2.9.0-r0ALPINE-CVE-2022-39319
Alpine:v3.22freerdp22.9.0-r0ALPINE-CVE-2022-39319
Alpine:v3.23freerdp22.9.0-r0ALPINE-CVE-2022-39319
Alpine:v3.24freerdp22.9.0-r0ALPINE-CVE-2022-39319
Debian:12freerdp22.9.0+dfsg1-1DEBIAN-CVE-2022-39319
Rocky Linux:8freerdp2:2.2.0-10.el8RLSA-2023:2851
Ubuntu:22.04:LTSfreerdp22.6.1+dfsg1-3ubuntu2.3UBUNTU-CVE-2022-39319
Ubuntu:22.04:LTSfreerdp22.6.1+dfsg1-3ubuntu2.3USN-5734-1

Affected products (as reported)

VendorProductVersions
FreeRDP FreeRDP < 2.9.0

Weakness: CWE-125 · Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:L/A:L

References