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Category:   Application (Generic)  >   EMC AlphaStor Vendors:   EMC
EMC AlphaStor Library Manager 'robotd' Lets Remote Users Execute Arbitrary Code
SecurityTracker Alert ID:  1020116
SecurityTracker URL:
CVE Reference:   CVE-2008-2157   (Links to External Site)
Date:  May 27 2008
Impact:   Execution of arbitrary code via network, Root access via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 3.1 SP1; possibly other versions
Description:   A vulnerability was reported in EMC AlphaStor in the Library Manager. A remote user can execute arbitrary code on the target system.

A remote user can send a specially crafted request to 'robotd' on TCP port 3500 to execute arbitrary code on the target system. On Windows-based systems, the code will run with System privileges.

Windows is affected. Other operating systems were not tested.

The vendor was notified on April 16, 2008.

Stephen Fewer of Harmony Security reported this vulnerability via iDefense.

Impact:   A remote user can execute arbitrary code on the target system.
Solution:   The vendor has issued a fix, as described in knowledgebase article emc186391, available at:

Vendor URL: (Links to External Site)
Cause:   Not specified
Underlying OS:  Linux (Red Hat Enterprise), UNIX (AIX), UNIX (HP/UX), UNIX (SGI/IRIX), UNIX (Solaris - SunOS), UNIX (Tru64), Windows (2000), Windows (2003)
Underlying OS Comments:  Confirmed only on Windows

Message History:   None.

 Source Message Contents

Subject:  iDefense Security Advisory 05.27.08: EMC AlphaStor Library Manager

iDefense Security Advisory 05.27.08
May 27, 2008


AlphaStor is a suite of applications used for disk management. For more
information, please see the vendor's website found at the following


Remote exploitation of an arbitrary command execution vulnerability 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 Library
Manager. The Library Manager is used to manage the replacement of disk
drives in distributed locations. The Manager consists of a single
process, the "robotd" process, that listens on TCP port 3500 for
incoming connections.

The Library Manager is prone to an arbitrary command execution
vulnerability. When sent a specific request, "robotd" will use a string
from the packet as a command to execute on the system via the
CreateProcess() function. This allows an attacker to run arbitrary
programs on the host with SYSTEM privileges.


Exploitation of this vulnerability results in the execution of arbitrary
code with the privileges of the affected service, usually SYSTEM. The
vulnerability occurs before any authentication, so it can be exploited
by anonymous attackers with the ability to create a TCP connection to
port 3500 on the server.

Since the vulnerability allows an attacker to run arbitrary programs
with arbitrary arguments, little skill is required for exploitation.


iDefense has confirmed the existence of this vulnerability in AlphaStor
version 3.1 SP1 for Windows. Previous versions, as well as versions for
other platforms, may also be affected.


iDefense is currently unaware of any workarounds for this issue.


"EMC has issued updates to correct this issue. More details can be found
in knowledgebase article emc186391 available from EMC
customers can further contact EMC Software Technical Support at


The Common Vulnerabilities and Exposures (CVE) project has assigned the
name CVE-2008-2157 to this issue. This is a candidate for inclusion in
the CVE list (, which standardizes names for
security problems.


04/16/2008  Initial vendor response
04/16/2008  Initial vendor notification
05/27/2008  Coordinated public disclosure


This vulnerability was reported to iDefense by Stephen Fewer of Harmony
Security (

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