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Home >> Browse Vulnerability Assessment Database >> Ubuntu Local Security Checks >> USN59-1 : mailman vulnerabilities

Vulnerability Assessment Details

USN59-1 : mailman vulnerabilities

Vulnerability Assessment Summary
mailman vulnerabilities

Detailed Explanation for this Vulnerability Assessment

Summary :

The remote package "mailman" is missing a security patch.

Description :

Florian Weimer discovered a cross-site scripting vulnerability in
mailman's automatically generated error messages. A possible hacker could
craft an URL containing JavaScript (or other content embedded into
HTML) which triggered a mailman error page. When an unsuspecting user
followed this URL, the malicious content was copied unmodified to the
error page and executed in the context of this page.

Juha-Matti Tapio discovered an information disclosure in the private
rosters management. Everybody could check whether a specified email
address was subscribed to a private mailing list by looking at the
error message. This bug was Ubuntu/Debian specific.

Important note:

There is currently another known vulnerability: when an user
subscribes to a mailing list without choosing a password, mailman
automatically generates one. However, there are only about 5 million
different possible passwords which permits brute force attacks.

A different password generation algorithm already exists, but is
currently too immature to be
[...]

Solution :

Upgrade to :
- mailman-2.1.5-1ubuntu2.2 (Ubuntu 4.10)

Network Security Threat Level: High

Networks Security ID:

Vulnerability Assessment Copyright: Ubuntu Security Notice (C) 2005 Canonical, Inc. / NASL script (C) 2005 Michel Arboi

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