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Vulnerability Assessment & Network Security Forums |
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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. Home >> Browse Vulnerability Assessment Database >> Gain a shell remotely >> MailEnable IMAP Overflow and SMTP Vulnerabilities Vulnerability Assessment Details
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MailEnable IMAP Overflow and SMTP Vulnerabilities |
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Checks for IMAP overflow and SMTP DoS vulnerabilities in MailEnable Detailed Explanation for this Vulnerability Assessment Summary : The remote mail server is affected by multiple issues. Description : The remote host is running a version of MailEnable Professional or MailEnable Enterprise Edition that is prone to the following vulnerabilities: - An IMAP Authenticate Request Buffer Overflow Vulnerability Sending an AUTHENTICATE or LOGIN command with an argument of 1016 characters or more overflows a stack-based buffer. A possible hacker can leverage this flaw to overwrite sensitive program control variables and thereby control execution flow of the server process. - An SMTP Malformed EHLO Request Denial Of Service Vulnerability The SMTP service does not properly handle malformed EHLO commands and may crash when it encounters an argument containing the character 0x99. A remote attacker could use this flaw to crash the SMTP service, thereby denying service to legitimate users. See also : http://archives.neohapsis.com/archives/bugtraq/2005-04/0070.html http://archives.neohapsis.com/archives/fulldisclosure/2005-04/0078.html Solution : Apply the IMAP and SMTP hotfix from 4th April 2005 located at http://www.mailenable.com/hotfix/. [Note that this does not fix the overflow involving an oversize LOGIN command.] Network Security Threat Level: Critical / CVSS Base Score : 10 (AV:R/AC:L/Au:NR/C:C/A:C/I:C/B:N) Networks Security ID: 12994, 12995, 13040 Vulnerability Assessment Copyright: This script is Copyright (C) 2005-2007 Tenable Network Security |
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