USN-6401-1: FreeRDP vulnerabilities

Publication date

4 October 2023

Overview

Several security issues were fixed in FreeRDP.


Packages

  • freerdp2 - RDP client for Windows Terminal Services

Details

It was discovered that FreeRDP did not properly manage certain inputs. A
malicious server could use this issue to cause FreeRDP clients to crash,
resulting in a denial of service, or possibly obtain sensitive
information. (CVE-2023-39350, CVE-2023-39351, CVE-2023-39353,
CVE-2023-39354, CVE-2023-40181, CVE-2023-40188, CVE-2023-40589)

It was discovered that FreeRDP did not properly manage certain inputs. A
malicious server could use this issue to cause FreeRDP clients to crash,
resulting in a denial of service, or possibly execute arbitrary code.
(CVE-2023-40186, CVE-2023-40567,

It was discovered that FreeRDP did not properly manage certain inputs. A
malicious server could use this issue to cause FreeRDP clients to crash,
resulting in a denial of service, or possibly obtain sensitive
information. (CVE-2023-39350, CVE-2023-39351, CVE-2023-39353,
CVE-2023-39354, CVE-2023-40181, CVE-2023-40188, CVE-2023-40589)

It was discovered that FreeRDP did not properly manage certain inputs. A
malicious server could use this issue to cause FreeRDP clients to crash,
resulting in a denial of service, or possibly execute arbitrary code.
(CVE-2023-40186, CVE-2023-40567, CVE-2023-40569)


Update instructions

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

Learn more about how to get the fixes.

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

Ubuntu Release Package Version
23.04 lunar libfreerdp2-2 –  2.10.0+dfsg1-1ubuntu0.2
22.04 jammy libfreerdp2-2 –  2.6.1+dfsg1-3ubuntu2.4
libwinpr2-2 –  2.6.1+dfsg1-3ubuntu2.4
libwinpr2-dev –  2.6.1+dfsg1-3ubuntu2.4
20.04 focal libfreerdp2-2 –  2.2.0+dfsg1-0ubuntu0.20.04.5
libwinpr2-2 –  2.2.0+dfsg1-0ubuntu0.20.04.5
libwinpr2-dev –  2.2.0+dfsg1-0ubuntu0.20.04.5
18.04 bionic libfreerdp2-2 –  2.2.0+dfsg1-0ubuntu0.18.04.4+esm1  
libwinpr2-2 –  2.2.0+dfsg1-0ubuntu0.18.04.4+esm1  
libwinpr2-dev –  2.2.0+dfsg1-0ubuntu0.18.04.4+esm1  

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.


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