[USN-3825-1] mod_perl vulnerability

[Marc Deslauriers]

==========================================================================
Ubuntu Security Notice USN-3825-1
November 21, 2018

libapache2-mod-perl2 vulnerability
==========================================================================

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

- Ubuntu 18.10
- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS
- Ubuntu 14.04 LTS

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.

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.

References:
  https://usn.ubuntu.com/usn/usn-3825-1
  CVE-2011-2767

Package Information:
  https://launchpad.net/ubuntu/+source/libapache2-mod-perl2/2.0.10-2ubuntu3.18.10.1
  https://launchpad.net/ubuntu/+source/libapache2-mod-perl2/2.0.10-2ubuntu3.18.04.1
  https://launchpad.net/ubuntu/+source/libapache2-mod-perl2/2.0.9-4ubuntu1.2

https://launchpad.net/ubuntu/+source/libapache2-mod-perl2/2.0.8+httpd24-r1449661-6ubuntu2.1

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