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 occurs.
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 issue.
"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 1-877-534-2867."
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 security problems.
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 Security (www.harmonysecurity.com).
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