[USN-3825-1] mod_perl vulnerability


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From: Marc Deslauriers
Reply-To: Ubuntu Security
To: ubuntu-security-announce@lists.ubuntu.com
Message-ID:
Subject: [USN-3825-1] mod_perl vulnerability

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

libapache2-mod-perl2 vulnerability
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=

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 configuratio=
n
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-perl2/2.0.10-2ubunt=
u3.18.10.1
https://launchpad.net/ubuntu/+source/libapache2-mod-perl2/2.0.10-2ubunt=
u3.18.04.1
https://launchpad.net/ubuntu/+source/libapache2-mod-perl2/2.0.9-4ubuntu=
1.2

https://launchpad.net/ubuntu/+source/libapache2-mod-perl2/2.0.8+httpd24-r=
1449661-6ubuntu2.1

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