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Zero Day Initiative Advisory 11-026

Zero Day Initiative Advisory 11-026
Posted Jan 26, 2011
Authored by Tipping Point | Site zerodayinitiative.com

Zero Day Initiative Advisory 11-026 - This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Novell Zenworks Handheld Management. Authentication is not required to exploit this vulnerability. The specific flaw exists within the Access Point process (ZfHIPCnd.exe) which listens by default on TCP port 2400. The problem occurs due to the application copying arbitrary sized data from a packet into a statically sized buffer. Due to the application not accommodating for the variable sized data during initialization of this buffer a buffer overflow will occur. This can lead to code execution under the context of the application.

tags | advisory, remote, overflow, arbitrary, tcp, code execution
SHA-256 | 646c3c9ee7e6a2694f8a45540159142ec7e8ea2d273c445e829eb3daf2f0ac07

Zero Day Initiative Advisory 11-026

Change Mirror Download
ZDI-11-026: Novell Zenworks Handheld Management ZfHIPCnd.exe Opcode 2 Remote Code Execution Vulnerability

http://www.zerodayinitiative.com/advisories/ZDI-11-026

January 26, 2011

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

-- Affected Vendors:
Novell

-- Affected Products:
Novell Zenworks

-- TippingPoint(TM) IPS Customer Protection:
TippingPoint IPS customers have been protected against this
vulnerability by Digital Vaccine protection filter ID 10792.
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 Novell Zenworks Handheld Management.
Authentication is not required to exploit this vulnerability.

The specific flaw exists within the Access Point process (ZfHIPCnd.exe)
which listens by default on TCP port 2400. The problem occurs due to the
application copying arbitrary sized data from a packet into a statically
sized buffer. Due to the application not accommodating for the variable
sized data during initialization of this buffer a buffer overflow will
occur. This can lead to code execution under the context of the
application.

-- Vendor Response:
Novell states:
TID 7007663:
http://www.novell.com/support/dynamickc.do?cmd=show&forward=nonthreadedKC&docType=kc&externalId=7007663&sliceId=1


Patch:
http://download.novell.com/Download?buildid=x_x4cdA5yT8~


-- Disclosure Timeline:
2011-01-21 - Vulnerability reported to vendor
2011-01-26 - Coordinated public release of advisory

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

-- 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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