E-Post contains a flaw that allows a remote attacker to list arbitrary directories on the server outside of the mail directory. The issue is due to the IMAP service not properly sanitizing user input, specifically traversal style attacks (../../) supplied via the arguments to the LIST command.
Classification
Location:
Remote / Network Access
Attack Type:
Information Disclosure,
Input Manipulation
Impact:
Loss of Confidentiality
Exploit:
Exploit Unknown
Disclosure:
OSVDB Verified
Solution
Currently, there are no known workarounds or upgrades to correct this issue. However, E-POST Inc. has released a patch to address this vulnerability.