EMC AlphaStor Server Agent Multiple Stack Buffer Overflow Vulnerabilities

Credit: iDefense Labs
Risk: High
Local: No
Remote: Yes

iDefense Security Advisory 05.27.08 http://labs.idefense.com/intelligence/vulnerabilities/ May 27, 2008 I. BACKGROUND AlphaStor is a suite of applications used for disk management. For more information, please see the vendor's website at the following URL. http://www.emc.com/products/detail/software/alphastor.htm II. DESCRIPTION Remote exploitation of multiple stack based buffer overflow vulnerabilities in EMC Corp.'s AlphaStor could allow an attacker to execute arbitrary code with SYSTEM privileges. AlphaStor consists of multiple applications, one of which is the Server Agent. The Server Agent is one of the core components of AlphaStor, and is used to initiate disk management requests. The Agent consists of several processes, one of which is the AlphaStor Command Line Interface process. This process listens on TCP port 41025, and is prone to multiple stack based buffer overflow vulnerabilities. III. ANALYSIS Exploitation of these vulnerabilities results in the execution of arbitrary code with the privileges of the affected service, usually SYSTEM. The vulnerabilities occur before any authentication, so they can be exploited by anonymous attackers with the ability to create a TCP connection to port 41025 on the server. IV. DETECTION iDefense has confirmed the existence of these vulnerabilities in AlphaStor version 3.1 SP1 for Windows. Previous versions, as well as versions for other platforms, may also be affected. V. WORKAROUND iDefense is currently unaware of any workarounds for these issues. VI. VENDOR RESPONSE "EMC has issued updates to correct this issue. More details can be found in knowledgebase article emc186391 available from powerlink.emc.com. EMC customers can further 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-2008-2158 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 04/16/2008 Initial vendor notification 04/16/2008 Initial vendor response 05/27/2008 Coordinated public disclosure IX. CREDIT Three of these vulnerabilities were reported to iDefense by Stephen Fewer of Harmony Security (www.harmonysecurity.com). Two were discovered by Sean Larsson, iDefense Labs. Get paid for vulnerability research http://labs.idefense.com/methodology/vulnerability/vcp.php Free tools, research and upcoming events http://labs.idefense.com/ 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_at_idefense.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.



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