[UNIX] Mailman Multiple Security Issues

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Mailman Multiple Security Issues


Mailman is "a mailing list server. It comes with a web based management
interface, built-in archiving, automatic bounce processing, content
filtering, digest delivery, spam filters, and more". Multiple security
vulnerabilities have been discovered in Mailman product.


Vulnerable Systems:
* Mailman versions 2.1.0 up to and including 2.1.8

Immune Systems:
* Mailman version 2.1.9

Mailman is subject to multiple security vulnerabilities, ranging from
cross site scripting to log file injection.

1. Cross Site Scripting (CVE-2006-3636)
Vulnerable versions of the application are subject to a XSS vulnerability
in several functions and several parameters in the mailing list
administration area of the web interface. An attacker may inject arbitrary
client side script code into several parameters through HTTP GET and POST
method requests. Some of the injections will result in persistent
injection of malicious scripting code.

To exploit these issues, prior successful authentication of the victim IS
required. As such, only users who have a valid cookie for a specific
mailing list stored in their client (including administrators who do not
make use of the logout function) are vulnerable to this.

The following partial URLs demonstrate some of the issues:

2. Log file injection
The application is subject to a log injection vulnerability.

By injecting CRLF sequences followed by fake time stamps, an attacker may
inject additional lines into the log files created by the application.

The following partial URL demonstrates this issue:

This will result in a message similar to the following to be written into
Jun 11 18:50:43 2006 (32743) No such list "doesntexist":
jun 12 18:22:08 2033 mailmanctl(24851): "your mailman license
has expired. please obtain an upgrade at www.phishme.site"

The Mailman developers have released version 2.1.9 yesterday. This is
supposed to fix all of the above issues. The updated packages are
available at:
<http://sf.net/project/showfiles.php?group_id=103&package_id=69562&release_id=447065> http://sf.net/project/showfiles.php?group_id=103&package_id=69562&release_id=447065


The information has been provided by <mailto:security@xxxxxxxxxxxxxxxxxx>
Moritz Naumann.
The original article can be found at:


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