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ZDI-12-126 : (0 day) HP StorageWorks File Migration Agent RsaCIFS.dll
Remote Code Execution Vulnerability
http://www.zerodayinitiative.com/advisories/ZDI-12-126
July 18, 2012

- -- CVE ID:


- -- CVSS:
10, AV:N/AC:L/Au:N/C:C/I:C/A:C

- -- Affected Vendors:
Hewlett-Packard

- -- Affected Products:
Hewlett-Packard StorageWorks

- -- TippingPoint(TM) IPS Customer Protection:
TippingPoint IPS customers have been protected against this
vulnerability by Digital Vaccine protection filter ID 12455.
For further product information on the TippingPoint IPS, visit:

    http://www.tippingpoint.com

- -- Vulnerability Details:
This vulnerability allows remote attackers to execute arbitrary code on
vulnerable installations of HP StorageWorks File Migration Agent.
Authentication is not required to exploit this vulnerability. 

The specific flaw exists within the HsmCfgSvc.exe service which listens by
default on TCP port 9111. When processing CIFS archives the process does
not properly validate the size of the archive name and proceeds to copy the
string into a fixed-length buffer on the stack. This can be exploited to
execute arbitrary remote code under the context of the running service.

- -- Vendor Response:
Hewlett-Packard states:
The overall design of the File Migration Agent (FMA) assumes it runs as an
application on a Windows server. Given the stated purpose of FMA, and the
nature of the vulnerability, the only salient mitigation strategy is to
restrict interaction with the service to trusted machines. Only the clients
and servers that have a legitimate procedural relationship with the HP
StorageWorks File Migration Agent should be permitted to communicate with
it. This could be accomplished in a number of ways, most notably with
firewall rules/whitelisting. These features are available in the native
Windows Firewall, as described in
http://technet.microsoft.com/en-us/library/cc725770%28WS.10%29.aspx and
numerous other Microsoft Knowledge Base articles.


- -- Disclosure Timeline:
2011-04-11 - Vulnerability reported to vendor
2012-07-18 - 0-Day advisory released

- -- Credit:
This vulnerability was discovered by:
* AbdulAziz Hariri


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