Secunia Research has discovered some vulnerabilities in Mail Enable Professional/Enterprise, which can be exploited by malicious users to cause a DoS (Denial of Service) and to compromise a vulnerable system.
1) A boundary error exists in the IMAP service (MEIMAPS.EXE) when handling an overly long mailbox name passed to "select", "create", "delete", "rename", "subscribe", and "unsubscribe" commands. This can be exploited by a malicious user to cause a stack-based buffer overflow and allows arbitrary code execution.
2) Directory traversal error exists in the IMAP service (MEIMAP.EXE) when handling specially crafted mailbox name passed to the "create" and "rename" commands. This can be exploited by a malicious user to create arbitrary directories on the server, or to cause a DoS by renaming the mail directories of other users.
The vulnerabilities have been confirmed in the following versions:
* MailEnable Professional version 1.6 with Hotfix MEIMAPS-UPD0511010000.zip applied.
* MailEnable Enterprise version 1.1 with Hotfix MEIMAPS-UPD0511010000.zip applied.
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Subject: MailEnable Buffer Overflow and Directory Traversal Vulnerabilities
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