[USN-4481-1] FreeRDP vulnerabilities

Marc Deslauriers marc.deslauriers at canonical.com
Tue Sep 1 14:29:14 UTC 2020

Ubuntu Security Notice USN-4481-1
September 01, 2020

freerdp2 vulnerabilities

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS


Several security issues were fixed in FreeRDP.

Software Description:
- freerdp2: RDP client for Windows Terminal Services


It was discovered that FreeRDP incorrectly handled certain memory
operations. A remote attacker could use this issue to cause FreeRDP to
crash, resulting in a denial of service, or possibly execute arbitrary

Update instructions:

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

Ubuntu 20.04 LTS:
  libfreerdp-client2-2            2.2.0+dfsg1-0ubuntu0.20.04.1
  libfreerdp-server2-2            2.2.0+dfsg1-0ubuntu0.20.04.1
  libfreerdp2-2                   2.2.0+dfsg1-0ubuntu0.20.04.1

Ubuntu 18.04 LTS:
  libfreerdp-client2-2            2.2.0+dfsg1-0ubuntu0.18.04.1
  libfreerdp-server2-2            2.2.0+dfsg1-0ubuntu0.18.04.1
  libfreerdp2-2                   2.2.0+dfsg1-0ubuntu0.18.04.1

This update uses a new upstream release, which includes additional bug
fixes. In general, a standard system update will make all the necessary

  CVE-2020-11095, CVE-2020-11096, CVE-2020-11097, CVE-2020-11098,
  CVE-2020-11099, CVE-2020-15103, CVE-2020-4030, CVE-2020-4031,
  CVE-2020-4032, CVE-2020-4033

Package Information:

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