Absolute path directory traversal vulnerability in (1) MERAK Mail Server for Windows 8.3.8r with before IceWarp Web Mail 5.6.1 and (2) VisNetic MailServer before 8.5.0.5 allows remote authenticated users to include arbitrary files via a modified language parameter and a full Windows or UNC pathname in the lang_settings parameter to mail/index.html, which is not properly sanitized by the validatefolder PHP function, possibly due to an incomplete fix for CVE-2005-4558.
secunia.com/advisories/18953
secunia.com/advisories/18966
secunia.com/secunia_research/2006-12/advisory/
secunia.com/secunia_research/2006-14/advisory/
securitytracker.com/id?1016513
securitytracker.com/id?1016514
www.securityfocus.com/archive/1/440297/100/0/threaded
www.securityfocus.com/archive/1/440302/100/0/threaded
www.securityfocus.com/bid/19002
www.securityfocus.com/bid/19007
www.vupen.com/english/advisories/2006/2825
exchange.xforce.ibmcloud.com/vulnerabilities/27780