USN-6401-1: FreeRDP vulnerabilities

Releases

• Ubuntu 23.04
• Ubuntu 22.04 LTS
• Ubuntu 20.04 LTS
• Ubuntu 18.04 ESM

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, CVE-2023-40569)

Update instructions

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

Ubuntu 23.04

• libfreerdp2-2 - 2.10.0+dfsg1-1ubuntu0.2

Ubuntu 22.04

• libfreerdp2-2 - 2.6.1+dfsg1-3ubuntu2.4
• libwinpr2-2 - 2.6.1+dfsg1-3ubuntu2.4
• libwinpr2-dev - 2.6.1+dfsg1-3ubuntu2.4

Ubuntu 20.04

• 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

Ubuntu 18.04

• libfreerdp2-2 - 2.2.0+dfsg1-0ubuntu0.18.04.4+esm1
  Available with Ubuntu Pro
• libwinpr2-2 - 2.2.0+dfsg1-0ubuntu0.18.04.4+esm1
  Available with Ubuntu Pro
• libwinpr2-dev - 2.2.0+dfsg1-0ubuntu0.18.04.4+esm1
  Available with Ubuntu Pro

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

References

• CVE-2023-39351
• CVE-2023-40186
• CVE-2023-40569
• CVE-2023-40589
• CVE-2023-39354
• CVE-2023-40181
• CVE-2023-39353
• CVE-2023-39350
• CVE-2023-40188
• CVE-2023-40567