USN-4815-1: xrdp vulnerabilities

15 March 2021

Several security issues were fixed in xrdp.

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

Learn more about Ubuntu Pro

Releases

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)

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

Learn more about Ubuntu Pro

Update instructions

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

Ubuntu 16.04
Ubuntu 14.04

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