Debian 2.1: majordomo vulnerability

Date 03 Jun 2000

Category Debian Linux Distribution - Security Advisories

3834

Posted By LinuxSecurity Advisories

Any local user can trick majordomo into executing arbitrary code or to create or write files as the majordomo user anywhere on the filesystem.

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Debian Security Advisory This email address is being protected from spambots. You need JavaScript enabled to view it.
https://www.debian.org/security/ Wichert Akkerman
June 3, 2000
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Package : majordomo
Problem type : local exploit
Debian-specific: no

The majordomo package as shipped in the non-free section accompanying
Debian GNU/Linux 2.1/slink allows any local user to trick majordomo into
executing arbitrary code or to create or write files as the majordomo user
anywhere on the filesystem.

This is a documented issue and the advised work around it to either have
no untrusted users on a system running majordomo or to use a setuid
wrapper that the MTA delivery agent can run.
suboptimal solution.

We feel that those options are not a good solution, but unfortunately the
majordomo license does not allow us to fix these problems and distribute a
fixed version. As a result we have decided to remove majordomo from our
archives.

If you are using majordomo we recommend that you replace it with one
of the many other mailing-list tools available such as fml, mailman
or smartlist.

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