USN-3845-2: FreeRDP vulnerabilities
freerdp vulnerabilities
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 18.10
- Ubuntu 18.04 LTS
Summary
Several security issues were fixed in FreeRDP.
Software Description
- freerdp – RDP client for Windows Terminal Services
Details
USN-3845-1 fixed several vulnerabilities in FreeRDP. This update provides the
corresponding update for Ubuntu 18.04 LTS and Ubuntu 18.10.
Original advisory 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, 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
The problem can be corrected by updating your system to the following package versions:
- Ubuntu 18.10
- libfreerdp-client1.1 – 1.1.0~git20140921.1.440916e+dfsg1-15ubuntu1.18.10.1
- Ubuntu 18.04 LTS
- libfreerdp-client1.1 – 1.1.0~git20140921.1.440916e+dfsg1-15ubuntu1.18.04.1
To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.
In general, a standard system update will make all the necessary changes.
References
Source: USN-3845-2: FreeRDP vulnerabilities
