Directory traversal vulnerability in the true_path function in private.py for Mailman 2.1.5 and earlier allows remote attackers to read arbitrary files via ".../....///" sequences, which are not properly cleansed by regular expressions that are intended to remove "../" and "./" sequences.
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10657
http://www.redhat.com/support/errata/RHSA-2005-137.html
http://www.redhat.com/support/errata/RHSA-2005-136.html
http://www.novell.com/linux/security/advisories/2005_07_mailman.html
http://www.mandriva.com/security/advisories?name=MDKSA-2005:037
http://www.gentoo.org/security/en/glsa/glsa-200502-11.xml
http://www.debian.org/security/2005/dsa-674
http://securitytracker.com/id?1013145
http://secunia.com/advisories/14211
http://marc.info/?l=bugtraq&m=110805795122386&w=2
http://lists.grok.org.uk/pipermail/full-disclosure/2005-February/031562.html
http://lists.apple.com/archives/security-announce/2005/Mar/msg00000.html