EMC DiskXtender Format String Bug Lets Remote Users Execute Arbitrary Code
SecurityTracker Alert ID: 1019829|
SecurityTracker URL: http://securitytracker.com/id/1019829
(Links to External Site)
Date: Apr 11 2008
Execution of arbitrary code via network, User access via network|
Fix Available: Yes Vendor Confirmed: Yes |
Version(s): 6.20.060; possibly other versions|
A vulnerability was reported in EMC DiskXtender in the MediaStor. A remote user can execute arbitrary code on the target system.|
A remote user can send specially crafted data via RPC to trigger a format string flaw in the MediaStor and execute arbitrary code on the target system. The code will run with System level privileges.
The affected UUID is: b157b800-aef5-11d3-ae49-00600834c15f
The vendor was notified on February 21, 2008.
Stephen Fewer of Harmony Security reported this vulnerability via iDefense.
A remote user can execute arbitrary code on the target system.|
The vendor has issued a fix.|
The vendor's advisory is available as knowledge base article emc184091, available to registered users at:
Vendor URL: www.emc.com/products/family/diskxtender-family.htm (Links to External Site)
Input validation error, State error|
|Underlying OS: Windows (Any)|
Source Message Contents
Subject: iDefense Security Advisory 04.09.08: EMC DiskXtender MediaStor Format|
iDefense Security Advisory 04.09.08
Apr 09, 2008
EMC DiskXtender is a data backup and migration suite. It consists of
several applications that are used to manage storing large quantities
of files across multiple storage devices. One of the components of
DiskXtender is the MediaStor, which is used to provide support for a
variety of media and device types. For more information see the
vendor's website at the following URL.
Remote exploitation of a format string vulnerability in EMC Corp.'s
DiskXtender could allow an attacker to execute arbitrary code with the
privileges of the affected service.
When handling requests on the RPC interface with UUID
b157b800-aef5-11d3-ae49-00600834c15f, the service does not properly
validate the content of a string in requests. Since this string is
passed directly to a formatting function, a format string vulnerability
Exploitation of this vulnerability results in the execution of arbitrary
code with the privileges of the affected service, usually SYSTEM. In
order to exploit this vulnerability, authentication is required.
iDefense confirmed the existence of this vulnerability in DiskXtender
version 6.20.060 for Windows. Previous versions may also be affected.
iDefense is currently unaware of any effective workaround for this
VI. VENDOR RESPONSE
"EMC has issued updates to correct this issue. More details can be found
in knowledgebase article emc184091 available from powerlink.emc.com. EMC
customers can further contact EMC Software Technical Support at
VII. CVE INFORMATION
The Common Vulnerabilities and Exposures (CVE) project has assigned the
name CVE-2008-0963 to this issue. This is a candidate for inclusion in
the CVE list (http://cve.mitre.org/), which standardizes names for
VIII. DISCLOSURE TIMELINE
02/21/2008 Initial vendor notification
02/22/2008 Initial vendor response
04/09/2008 Coordinated public disclosure
This vulnerability was reported to iDefense by Stephen Fewer of Harmony
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