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Zero Day Initiative Advisory 12-165

Zero Day Initiative Advisory 12-165
Posted Aug 23, 2012
Authored by Tipping Point | Site zerodayinitiative.com

Zero Day Initiative Advisory 12-165 - This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of HP Operations Agent for NonStop Server. User interaction is required to exploit this vulnerability in that the target must check the status of an existing node on the network. The specific flaw exists within ELinkService process which listens on TCP ports 7771 and 8976 by default. The process performs insufficient bounds checking on user-supplied data within in a HEALTH packet prior to copying it into a fixed-length buffer on the stack. Remote, unauthenticated attackers can exploit this vulnerability by sending malformed message packets to the target, which could ultimately lead to arbitrary code execution under the context of the SYSTEM user.

tags | advisory, remote, arbitrary, tcp, code execution
MD5 | 4c6574aa0e7821f3f4e5d43344b4ea1d

Zero Day Initiative Advisory 12-165

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Hash: SHA1

ZDI-12-165 : (0Day) HP Operations Agent for NonStop Server HEALTH Packet
Parsing Remote Code Execution Vulnerability
http://www.zerodayinitiative.com/advisories/ZDI-12-165
August 22, 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 Operations Agent for NonStop

- -- Vulnerability Details:
This vulnerability allows remote attackers to execute arbitrary code on
vulnerable installations of HP Operations Agent for NonStop Server. User
interaction is required to exploit this vulnerability in that the target
must check the status of an existing node on the network.

The specific flaw exists within ELinkService process which listens on TCP
ports 7771 and 8976 by default. The process performs insufficient bounds
checking on user-supplied data within in a HEALTH packet prior to copying
it into a fixed-length buffer on the stack. Remote, unauthenticated
attackers can exploit this vulnerability by sending malformed message
packets to the target, which could ultimately lead to arbitrary code
execution under the context of the SYSTEM user.

- -- Vendor Response:
This vulnerability is being disclosed publicly without a patch in
accordance with the ZDI 180 day deadline.

- -- Disclosure Timeline:
2011-12-22 - Vulnerability reported to vendor
2012-08-22 - 0Day advisory released in accordance with the ZDI 180 day
deadline policy

- -- Credit:
This vulnerability was discovered by:
* e6af8de8b1d4b2b6d5ba2610cbf9cd38

- -- About the Zero Day Initiative (ZDI):
Established by TippingPoint, The Zero Day Initiative (ZDI) represents
a best-of-breed model for rewarding security researchers for responsibly
disclosing discovered vulnerabilities.

Researchers interested in getting paid for their security research
through the ZDI can find more information and sign-up at:

http://www.zerodayinitiative.com

The ZDI is unique in how the acquired vulnerability information is
used. TippingPoint does not re-sell the vulnerability details or any
exploit code. Instead, upon notifying the affected product vendor,
TippingPoint provides its customers with zero day protection through
its intrusion prevention technology. Explicit details regarding the
specifics of the vulnerability are not exposed to any parties until
an official vendor patch is publicly available. Furthermore, with the
altruistic aim of helping to secure a broader user base, TippingPoint
provides this vulnerability information confidentially to security
vendors (including competitors) who have a vulnerability protection or
mitigation product.

Our vulnerability disclosure policy is available online at:

http://www.zerodayinitiative.com/advisories/disclosure_policy/

Follow the ZDI on Twitter:

http://twitter.com/thezdi

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