USN-4815-1: xrdp vulnerabilities

Publication date

15 March 2021

Overview

Several security issues were fixed in xrdp.


Packages

  • xrdp - Remote Desktop Protocol (RDP) server

Details

It was discovered that xrdp did not properly validate certain input in the
session manager. A local attacker could possibly use this issue to cause a
denial of service or other unspecified impact. (CVE-2017-16927)

It was discovered that xrdp did not properly initialize PAM session
modules. A remote attacker could possibly use this issue to escalate
privileges. (CVE-2017-6967)

It was discovered that xrdp did not properly validate certain input in the
session manager. A local attacker could possibly use this issue to cause a
denial of service or other unspecified impact. (CVE-2017-16927)

It was discovered that xrdp did not properly initialize PAM session
modules. A remote attacker could possibly use this issue to escalate
privileges. (CVE-2017-6967)

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
16.04 xenial xrdp –  0.6.1-2ubuntu0.3+esm1  
14.04 trusty xrdp –  0.6.0-1ubuntu0.1+esm1  

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