Ubuntu 23.10 USN-6522-1: Critical FreeRDP Remote Code Execution

ubuntu

November 29, 2023

Several security issues were fixed in FreeRDP.

Summary

Several security issues were fixed in FreeRDP.

Software Description:

- freerdp2: RDP client for Windows Terminal Services

Details:

It was discovered that FreeRDP incorrectly handled drive redirection. If a

user were tricked into connection to a malicious server, a remote attacker

could use this issue to cause FreeRDP to crash, resulting in a denial of

service, or possibly obtain sensitive information. (CVE-2022-41877)

It was discovered that FreeRDP incorrectly handled certain surface updates.

A remote attacker could use this issue to cause FreeRDP to crash, resulting

in a denial of service, or possibly execute arbitrary code.

(CVE-2023-39352, CVE-2023-39356)

Topics Covered

security advisory denial of service remote code execution Ubuntu critical threat FreeRDP

Update Instructions

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 23.10:
   libfreerdp2-2                   2.10.0+dfsg1-1.1ubuntu1.1

Ubuntu 23.04:
   libfreerdp2-2                   2.10.0+dfsg1-1ubuntu0.3

Ubuntu 22.04 LTS:
   libfreerdp2-2                   2.6.1+dfsg1-3ubuntu2.5

Ubuntu 20.04 LTS:
   libfreerdp2-2                   2.2.0+dfsg1-0ubuntu0.20.04.6

In general, a standard system update will make all the necessary changes.