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iDefense Security Advisory 07.18.07: Ipswitch IMail Server 2006 IMAP Search Command Buffer Overflow Vulnerability
Jul 18 2007 09:08PM
iDefense Labs (labs-no-reply idefense com)
Ipswitch IMail Server 2006 Multiple IMAP Buffer Overflow Vulnerabilities
iDefense Security Advisory 07.18.07
Jul 18, 2007
Ipswitch Inc.'s IMail Server is an e-mail server aimed at providing
easily configured and maintained e-mail services for small
organizations. More information is available on the vendor's site at
the following URL.
Remote exploitation of multiple buffer overflow vulnerabilities in
Ipswitch Inc.'s IMail Server 2006 could allow attackers to execute
IMail includes an IMAP daemon that users can use to access their email.
The "Search" IMAP command contains an exploitable stack-based buffer
overflow vulnerability. Additionally, the "Search charset" contains an
exploitable heap-based buffer overflow vulnerability.
Exploitation allows an attacker to execute arbitrary code with SYSTEM
In order to exploit these issues, an attacker would need to login to a
vulnerable IMail IMAP Server using valid credentials.
The vulnerable component is installed with any IPSwitch product that
includes the IMail Server. This includes products such as its
Collaboration Suite packages.
iDefense has confirmed the existence of these vulnerabilities in IMail
Server 2006. The vulnerable executable used was version 22.214.171.124 of
Disabling the IMAP service prevents exploitation of these
vulnerabilities. Consider enabling POP3 or webmail as an alternative to
VI. VENDOR RESPONSE
Ipswitch Inc. has released version 2006.21 of its IMail product to
address these vulnerabilities. More information can be found at the
VII. CVE INFORMATION
A Mitre Corp. Common Vulnerabilities and Exposures (CVE) number has not
been assigned yet.
VIII. DISCLOSURE TIMELINE
02/13/2007 Initial vendor notification
07/17/2007 Initial vendor response
07/18/2007 Coordinated public disclosure
The stack-based buffer overflow vulnerability was reported to iDefense
by Manuel Santamarina Suarez. The heap-based buffer overflow discoverer
wishes to remain anonymous.
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X. LEGAL NOTICES
Copyright © 2007 iDefense, Inc.
Permission is granted for the redistribution of this alert
electronically. It may not be edited in any way without the express
written consent of iDefense. If you wish to reprint the whole or any
part of this alert in any other medium other than electronically,
please e-mail customerservice (at) idefense (dot) com [email concealed] for permission.
Disclaimer: The information in the advisory is believed to be accurate
at the time of publishing based on currently available information. Use
of the information constitutes acceptance for use in an AS IS condition.
There are no warranties with regard to this information. Neither the
author nor the publisher accepts any liability for any direct,
indirect, or consequential loss or damage arising from use of, or
reliance on, this information.
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