1. Ubuntu Security Notices
  2. USN-3845-1

USN-3845-1: FreeRDP vulnerabilities

Publication date

12 December 2018

Overview

Several security issues were fixed in FreeRDP.

Releases

Packages

  • freerdp - RDP client for Windows Terminal Services
  • freerdp2 - RDP client for Windows Terminal Services

Details

Eyal Itkin discovered FreeRDP incorrectly handled certain stream encodings. A
malicious server could use this issue to cause FreeRDP to crash, resulting in a
denial of service, or possibly execute arbitrary code. This issue only applies
to Ubuntu 18.04 LTS and Ubuntu 18.10. (CVE-2018-8784, CVE-2018-8785)

Eyal Itkin discovered FreeRDP incorrectly handled bitmaps. A malicious server
could use this issue to cause FreeRDP to crash, resulting in a denial of
service, or possibly execute arbitrary code. (CVE-2018-8786, CVE-2018-8787)

Eyal Itkin discovered FreeRDP incorrectly handled certain stream encodings. A
malicious server could use this issue to cause FreeRDP to crash, resulting in a
denial of service, or possibly execute arbitrary code. This issue only applies
to Ubuntu 16.04 LTS,...

Eyal Itkin discovered FreeRDP incorrectly handled certain stream encodings. A
malicious server could use this issue to cause FreeRDP to crash, resulting in a
denial of service, or possibly execute arbitrary code. This issue only applies
to Ubuntu 18.04 LTS and Ubuntu 18.10. (CVE-2018-8784, CVE-2018-8785)

Eyal Itkin discovered FreeRDP incorrectly handled bitmaps. A malicious server
could use this issue to cause FreeRDP to crash, resulting in a denial of
service, or possibly execute arbitrary code. (CVE-2018-8786, CVE-2018-8787)

Eyal Itkin discovered FreeRDP incorrectly handled certain stream encodings. A
malicious server could use this issue to cause FreeRDP to crash, resulting in a
denial of service, or possibly execute arbitrary code. This issue only applies
to Ubuntu 16.04 LTS, Ubuntu 18.04 LTS and Ubuntu 18.10. (CVE-2018-8788)

Eyal Itkin discovered FreeRDP incorrectly handled NTLM authentication. A
malicious server could use this issue to cause FreeRDP to crash, resulting in a
denial of service, or possibly execute arbitrary code. This issue only applies
to Ubuntu 16.04 LTS, Ubuntu 18.04 LTS and Ubuntu 18.10. (CVE-2018-8789)

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
18.10 cosmic libfreerdp-client2-2 –  2.0.0~git20180411.1.7a7b1802+dfsg1-2ubuntu0.1
libfreerdp2-2 –  2.0.0~git20180411.1.7a7b1802+dfsg1-2ubuntu0.1
18.04 bionic libfreerdp-client2-2 –  2.0.0~git20170725.1.1648deb+dfsg1-7ubuntu0.1
libfreerdp2-2 –  2.0.0~git20170725.1.1648deb+dfsg1-7ubuntu0.1
16.04 xenial libfreerdp-client1.1 –  1.1.0~git20140921.1.440916e+dfsg1-5ubuntu1.3
14.04 trusty libfreerdp1 –  1.0.2-2ubuntu1.2

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References

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