Unspecified vulnerability in the IBM Proventia engine 4.9.0.0.44 20081231, as used in IBM Proventia Network Mail Security System, Network Mail Security System Virtual Appliance, Desktop Endpoint Security, Network Multi-Function Security (MFS), and possibly other products, allows remote attackers to bypass detection of malware via a modified RAR archive.
blog.zoller.lu/2009/04/ibm-proventia-evasion-limited-details.html
iss.custhelp.com/cgi-bin/iss.cfg/php/enduser/std_adp.php?p_faqid=5417
www.securityfocus.com/archive/1/502369/100/0/threaded
www.securityfocus.com/archive/1/504987/100/0/threaded
www.securityfocus.com/archive/1/504992/100/0/threaded
www.securityfocus.com/archive/1/504995/100/0/threaded
www.securityfocus.com/bid/34345