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Zero Day Initiative Advisory 12-203

Zero Day Initiative Advisory 12-203
Posted Dec 22, 2012
Authored by Tipping Point | Site zerodayinitiative.com

Zero Day Initiative Advisory 12-203 - This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Honeywell HMIWeb. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the ActiveX control defined within the HSCDSPRenderDll.dll file. The RequestDSPLoad method does not properly verify the length of a supplied argument before copying it into a fixed-length heap buffer. A remote attacker can abuse this to execute arbitrary code under the context of the user running the browser.

tags | advisory, remote, arbitrary, activex
advisories | CVE-2012-2054
SHA-256 | 4ac919bae121d6edc00347b47cae4d1aa8f60447c1cb6d2bc673cf9f19bcb690

Zero Day Initiative Advisory 12-203

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Hash: SHA1

ZDI-12-203 : Honeywell HMIWeb Browser ActiveX Control RequestDSPLoad Remote
Code Execution Vulnerability
http://www.zerodayinitiative.com/advisories/ZDI-12-203
December 21, 2012

- -- CVE ID:
CVE-2012-2054

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

- -- Affected Vendors:
Honeywell

- -- Affected Products:
Honeywell HMIWeb


- -- TippingPoint(TM) IPS Customer Protection:
TippingPoint IPS customers have been protected against this
vulnerability by Digital Vaccine protection filter ID 11490.
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 Honeywell HMIWeb. User interaction is required
to exploit this vulnerability in that the target must visit a malicious
page or open a malicious file.

The specific flaw exists within the ActiveX control defined within the
HSCDSPRenderDll.dll file. The RequestDSPLoad method does not properly
verify the length of a supplied argument before copying it into a
fixed-length heap buffer. A remote attacker can abuse this to execute
arbitrary code under the context of the user running the browser.

- -- Vendor Response:
Honeywell states:
http://www.us-cert.gov/control_systems/pdf/ICSA-12-150-01.pdf


- -- Disclosure Timeline:
2011-11-23 - Vulnerability reported to vendor
2012-12-21 - Coordinated public release of advisory

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


- -- 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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