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

Medium 4.6 Published Updated

A malicious server can trick a FreeRDP client into reading out-of-bounds data and sending it back, requiring USB redirection to be enabled.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
Available

What is CVE-2022-39319?

CVE-2022-39319 is a medium-severity vulnerability in Fedoraproject Fedora, published on 16 Nov 2022. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

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.

Weakness: CWE-125

Which versions are affected by CVE-2022-39319?

It affects 2 products.

Products include Fedoraproject Fedora, Freerdp Freerdp.

How do I fix CVE-2022-39319?

Upgrade to a fixed version.

Is CVE-2022-39319 being exploited?

There is no known exploitation of CVE-2022-39319 in the wild and no public exploit code.

All Fedoraproject Fedora vulnerabilities

Sources

Also known as CLEANSTART-2024-VM04623, DEBIAN-CVE-2022-39319, GHSA-mvxm-wfj2-5fvh, UBUNTU-CVE-2022-39319.

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