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Zero Day Initiative Advisory 11-166

Zero Day Initiative Advisory 11-166
Posted May 10, 2011
Authored by Tipping Point | Site zerodayinitiative.com

Zero Day Initiative Advisory 11-166 - This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of HP 3com/H3C Intelligent Management Center. Authentication is not required to exploit this vulnerability. The flaw exists within the imcsyslogdm.exe component which listens by default on UDP port 514. When handling a syslog packet having a size larger than 2048 bytes the process attempts to exit. An exception handler is called that makes a call into a location that has been previously freed. A remote attacker can exploit this vulnerability to execute arbitrary code under the context of the SYSTEM user.

tags | advisory, remote, arbitrary, udp
advisories | CVE-2011-1854
MD5 | 2f11085c5439fef863f82020da7a4e8d

Zero Day Initiative Advisory 11-166

Change Mirror Download
ZDI-11-166: HP 3COM/H3C Intelligent Management Center imcsyslogdm Remote Code Execution Vulnerability

http://www.zerodayinitiative.com/advisories/ZDI-11-166

May 10, 2011

-- CVE ID:
CVE-2011-1854

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

-- Affected Vendors:
Hewlett-Packard

-- Affected Products:
Hewlett-Packard H3C Intelligent Management Center

-- TippingPoint(TM) IPS Customer Protection:
TippingPoint IPS customers have been protected against this
vulnerability by Digital Vaccine protection filter ID 11199.
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 3com/H3C Intelligent Management Center.
Authentication is not required to exploit this vulnerability.

The flaw exists within the imcsyslogdm.exe component which listens by
default on UDP port 514. When handling a syslog packet having a size
larger than 2048 bytes the process attempts to exit. An exception
handler is called that makes a call into a location that has been
previously freed. A remote attacker can exploit this vulnerability to
execute arbitrary code under the context of the SYSTEM user.

-- Vendor Response:
Hewlett-Packard has issued an update to correct this vulnerability. More
details can be found at:

http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c02822750

-- Disclosure Timeline:
2011-01-21 - Vulnerability reported to vendor
2011-05-10 - Coordinated public release of advisory

-- Credit:
This vulnerability was discovered by:
* Luigi Auriemma

-- 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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