Directory traversal vulnerability in index/mbox/mbox-storage.c in Dovecot before 1.0.rc29, when using the zlib plugin, allows remote attackers to read arbitrary gzipped (.gz) mailboxes (mbox files) via a .. (dot dot) sequence in the mailbox name.
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10995
https://exchange.xforce.ibmcloud.com/vulnerabilities/34082
http://www.vupen.com/english/advisories/2007/1452
http://www.ubuntu.com/usn/usn-487-1
http://www.securityfocus.com/bid/23552
http://www.securityfocus.com/archive/1/466168/100/0/threaded
http://www.redhat.com/support/errata/RHSA-2008-0297.html
http://www.novell.com/linux/security/advisories/2007_8_sr.html
http://www.debian.org/security/2007/dsa-1359
http://secunia.com/advisories/30342
http://secunia.com/advisories/25072
http://dovecot.org/list/dovecot-news/2007-March/000038.html