Ubuntu 21.10 USN-5154-1 Critical: FreeRDP Remote Code Execution

ubuntu

November 23, 2021

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 certain inputs.

An attacker could possibly use this issue to execute arbitrary code

or cause a crash. (CVE-2021-41159)

It was discovered that FreeRDP incorrectly handled certain connections.

An attacker could possibly use this issue to execute arbitrary code or

cause a crash. (CVE-2021-41160)

Topics Covered

security advisory critical remote code execution Ubuntu FreeRDP input handling flaw

Update Instructions

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

Ubuntu 21.10:
  libfreerdp-client2-2            2.3.0+dfsg1-2ubuntu0.1

Ubuntu 21.04:
  libfreerdp-client2-2            2.3.0+dfsg1-1ubuntu0.1

Ubuntu 20.04 LTS:
  libfreerdp-client2-2            2.2.0+dfsg1-0ubuntu0.20.04.2

Ubuntu 18.04 LTS:
  libfreerdp-client2-2            2.2.0+dfsg1-0ubuntu0.18.04.2

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