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If through a vulnerability assessment, a network security issue is detected for the vulnerability below, applying the appropriate security patches in a timely matter is very important.  If you have detected that your system has already been compromised, following CERT's Network Security recovery document will assist with recommended steps for system recovery.

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Dovecot Directory Traversal Vulnerability

Vulnerability Assessment Summary Tries to list contents of mbox root parent directory in Dovecot Detailed Explanation for this Vulnerability Assessment Summary : The remote IMAP server is affected by a directory traversal vulnerability. Description : The remote host is running Dovecot, an open-source IMAP4 / POP3 server for Linux / Unix. The version of Dovecot installed on the remote host fails to filter directory traversal sequences from user-supplied input to IMAP commands such as LIST and DELETE. An authenticated attacker may be able to leverage this issue to list directories and files in the mbox root's parent directory or possibly to delete index files used by the application. See also : http://www.securityfocus.com/archive/1/archive/1/433878/100/0/threaded http://www.dovecot.org/list/dovecot/2006-May/013385.html Solution : Upgrade to Dovecot version 1.0 beta8 or later. Network Security Threat Level: Low / CVSS Base Score : 2.3 (AV:R/AC:L/Au:NR/C:P/I:N/A:N/B:N) Networks Security ID: 17961 Vulnerability Assessment Copyright: This script is Copyright (C) 2006 Tenable Network Security

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