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Ubuntu Security Notice USN-3380-1

Ubuntu Security Notice USN-3380-1
Posted Aug 7, 2017
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3380-1 - It was discovered that FreeRDP incorrectly handled certain width and height values. 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 applied to Ubuntu 14.04 LTS. It was discovered that FreeRDP incorrectly handled certain values in a Scope List. A malicious server could use this issue to cause FreeRDP to crash, resulting in a denial of service, or possibly execute arbitrary code. Various other issues were also addressed.

tags | advisory, denial of service, arbitrary
systems | linux, ubuntu
advisories | CVE-2014-0250, CVE-2014-0791, CVE-2017-2834, CVE-2017-2835, CVE-2017-2836, CVE-2017-2837, CVE-2017-2838, CVE-2017-2839
SHA-256 | 21a7bcf6ea1779f95874edb4e02a17ae58572f33f2ab7e0cfa75d484d24397f2

Ubuntu Security Notice USN-3380-1

Change Mirror Download
==========================================================================
Ubuntu Security Notice USN-3380-1
August 07, 2017

freerdp vulnerabilities
==========================================================================

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

- Ubuntu 17.04
- Ubuntu 16.04 LTS
- Ubuntu 14.04 LTS

Summary:

Several security issues were fixed in FreeRDP.

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

Details:

It was discovered that FreeRDP incorrectly handled certain width and height
values. 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 applied to Ubuntu 14.04 LTS. (CVE-2014-0250)

It was discovered that FreeRDP incorrectly handled certain values in a
Scope List. A malicious server could use this issue to cause FreeRDP to
crash, resulting in a denial of service, or possibly execute arbitrary
code. (CVE-2014-0791)

Tyler Bohan discovered that FreeRDP incorrectly handled certain length
values. A malicious server could use this issue to cause FreeRDP to
crash, resulting in a denial of service, or possibly execute arbitrary
code. (CVE-2017-2834, CVE-2017-2835)

Tyler Bohan discovered that FreeRDP incorrectly handled certain packets. A
malicious server could possibly use this issue to cause FreeRDP to crash,
resulting in a denial of service. (CVE-2017-2836, CVE-2017-2837,
CVE-2017-2838, CVE-2017-2839)

Update instructions:

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

Ubuntu 17.04:
libfreerdp-client1.1 1.1.0~git20140921.1.440916e+dfsg1-10ubuntu1.1

Ubuntu 16.04 LTS:
libfreerdp-client1.1 1.1.0~git20140921.1.440916e+dfsg1-5ubuntu1.2

Ubuntu 14.04 LTS:
libfreerdp1 1.0.2-2ubuntu1.1

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

References:
https://www.ubuntu.com/usn/usn-3380-1
CVE-2014-0250, CVE-2014-0791, CVE-2017-2834, CVE-2017-2835,
CVE-2017-2836, CVE-2017-2837, CVE-2017-2838, CVE-2017-2839

Package Information:

https://launchpad.net/ubuntu/+source/freerdp/1.1.0~git20140921.1.440916e+dfsg1-10ubuntu1.1

https://launchpad.net/ubuntu/+source/freerdp/1.1.0~git20140921.1.440916e+dfsg1-5ubuntu1.2
https://launchpad.net/ubuntu/+source/freerdp/1.0.2-2ubuntu1.1


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