Multiple stack-based buffer overflows in the IMAP server in IMail 8.12 and 8.13 in Ipswitch Collaboration Suite (ICS), and other versions before IMail Server 8.2 Hotfix 2, allow remote attackers to execute arbitrary code via a LOGIN command with (1) a long username argument or (2) a long username argument that begins with a special character.

Stack-based buffer overflow in the IMAP daemon (IMAPD32.EXE) in IMail 8.13 in Ipswitch Collaboration Suite (ICS), and other versions before IMail Server 8.2 Hotfix 2, allows remote authenticated users to execute arbitrary code via a STATUS command with a long mailbox name.

Directory traversal vulnerability in the Web Calendaring server in Ipswitch Imail 8.13, and other versions before IMail Server 8.2 Hotfix 2, allows remote attackers to read arbitrary files via "..\" (dot dot backslash) sequences in the query string argument in a GET request to a non-existent .jsp file.