[USN-4379-1] FreeRDP vulnerabilities

[Marc Deslauriers]

==========================================================================
Ubuntu Security Notice USN-4379-1
June 01, 2020

freerdp2 vulnerabilities
==========================================================================

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

- Ubuntu 20.04 LTS
- Ubuntu 19.10
- Ubuntu 18.04 LTS

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 memory
operations. A remote attacker could use this issue to cause FreeRDP to
crash, resulting in a denial of service, or possibly exeucte arbitrary
code.

Update instructions:

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

Ubuntu 20.04 LTS:
  libfreerdp-client2-2            2.1.1+dfsg1-0ubuntu0.20.04.1
  libfreerdp-server2-2            2.1.1+dfsg1-0ubuntu0.20.04.1
  libfreerdp2-2                   2.1.1+dfsg1-0ubuntu0.20.04.1

Ubuntu 19.10:
  libfreerdp-client2-2            2.1.1+dfsg1-0ubuntu0.19.10.1
  libfreerdp-server2-2            2.1.1+dfsg1-0ubuntu0.19.10.1
  libfreerdp2-2                   2.1.1+dfsg1-0ubuntu0.19.10.1

Ubuntu 18.04 LTS:
  libfreerdp-client2-2            2.1.1+dfsg1-0ubuntu0.18.04.1
  libfreerdp-server2-2            2.1.1+dfsg1-0ubuntu0.18.04.1
  libfreerdp2-2                   2.1.1+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
changes.

References:
  https://usn.ubuntu.com/4379-1
  CVE-2018-1000852, CVE-2019-17177, CVE-2020-11042, CVE-2020-11044,
  CVE-2020-11045, CVE-2020-11046, CVE-2020-11047, CVE-2020-11048,
  CVE-2020-11049, CVE-2020-11058, CVE-2020-11521, CVE-2020-11522,
  CVE-2020-11523, CVE-2020-11524, CVE-2020-11525, CVE-2020-11526,
  CVE-2020-13396, CVE-2020-13397, CVE-2020-13398

Package Information:
  https://launchpad.net/ubuntu/+source/freerdp2/2.1.1+dfsg1-0ubuntu0.20.04.1
  https://launchpad.net/ubuntu/+source/freerdp2/2.1.1+dfsg1-0ubuntu0.19.10.1
  https://launchpad.net/ubuntu/+source/freerdp2/2.1.1+dfsg1-0ubuntu0.18.04.1

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