bugtraq - iDefense Security Advisory 02.19.08: EMC RepliStor Multiple Heap Overflow Vulnerabilities

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Date: Wed, 20 Feb 2008 16:53:02 -0500
From: iDefense Labs <labs-no-reply@...fense.com>
To: vulnwatch@...nwatch.org, full-disclosure@...ts.grok.org.uk,
	bugtraq@...urityfocus.com
Subject: iDefense Security Advisory 02.19.08: EMC RepliStor Multiple Heap
 Overflow Vulnerabilities

iDefense Security Advisory 02.19.08
http://labs.idefense.com/intelligence/vulnerabilities/
Feb 19, 2008

I. BACKGROUND

EMC RepliStor is a data backup and recovery application for Windows. For
more information, visit the vendor's website at the following URL.

http://software.emc.com/products/software_az/replistor.htm

II. DESCRIPTION

Remote exploitation of multiple heap overflow vulnerabilities in EMC
Corp.'s RepliStor could allow an unauthenticated attacker to execute
arbitrary code with SYSTEM privileges.

Multiple vulnerabilities exist within the code responsible for
compression. In each case, data is decompressed without consideration
for the size of the destination buffer. This results in an exploitable
heap overflow.

III. ANALYSIS

Exploitation of these vulnerabilities results in the execution of
arbitrary code with the privileges of the RepliStor Server or Control
Server, usually SYSTEM. In order to exploit these vulnerabilities, an
attacker needs to be able to connect to the targeted server on TCP port
7144 or 7145. No authentication is required to reach the vulnerable code
paths.

IV. DETECTION

iDefense has confirmed the existence of these vulnerabilities in EMC
RepliStor version 6.2 SP2. Previous versions may also be affected.

V. WORKAROUND

iDefense is currently unaware of any effective workaround for this
issue.

VI. VENDOR RESPONSE

"EMC has issued updates to address this issue. EMC customers can view
more details on http://powerlink.emc.com/ by searching the knowledge
base for support solution emc179808 or they can contact EMC Software
Technical Support at 1-877-534-2867."

VII. CVE INFORMATION

The Common Vulnerabilities and Exposures (CVE) project has assigned the
name CVE-2008-6426 to this issue. This is a candidate for inclusion in
the CVE list (http://cve.mitre.org/), which standardizes names for
security problems.

VIII. DISCLOSURE TIMELINE

12/18/2007  Initial vendor notification
12/18/2007  Initial vendor response
02/19/2008  Coordinated public disclosure

IX. CREDIT

This vulnerability was reported to iDefense by Stephen Fewer of Harmony
Security (www.harmonysecurity.com).

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X. LEGAL NOTICES

Copyright © 2008 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@...fense.com 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.