A vulnerability has been reported in MailMarshal SMTP and MailMarshal Exchange, which can be exploited by malicious people to compromise a vulnerable system.

An input validation error during the extraction and scanning of ARJ archives can be exploited to cause a file with a filename containing directory traversal modifiers to be extracted to an arbitrary directory on the system (e.g. the "All Users" startup folder).

Solution
Users of MailMarshal SMTP should update to version 2006, release 6.1.8.
Further details available to Secunia VIM customers

Provided and/or discovered by
Discovered by an anonymous person and reported via ZDI.

Original Advisory
Marshal:
http://www.marshal.com/kb/article.aspx?id=11450

ZDI:
http://www.zerodayinitiative.com/advisories/ZDI-06-039.html

Deep Links
Links available to Secunia VIM customers