Ubuntu: USN-3825-1 Critical: mod_perl Unauthorized Code Execution

ubuntu

November 21, 2018

mod_perl could be made to run programs contrary to expectations.

Summary

mod_perl could be made to run programs contrary to expectations.

Software Description:

- libapache2-mod-perl2: Integration of perl with the Apache2 web server

Details:

Jan Ingvoldstad discovered that mod_perl incorrectly handled configuration

options to disable being used by unprivileged users, contrary to the

documentation. A local attacker could possibly use this issue to execute

arbitrary Perl code.

Topics Covered

security advisory arbitrary code execution Ubuntu critical severity libapache2-mod-perl2

Update Instructions

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

Ubuntu 18.10:
  libapache2-mod-perl2            2.0.10-2ubuntu3.18.10.1

Ubuntu 18.04 LTS:
  libapache2-mod-perl2            2.0.10-2ubuntu3.18.04.1

Ubuntu 16.04 LTS:
  libapache2-mod-perl2            2.0.9-4ubuntu1.2

Ubuntu 14.04 LTS:
  libapache2-mod-perl2            2.0.8+httpd24-r1449661-6ubuntu2.1

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