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From:ZDI
Date:10 июня 2011 г.
Subject:ZDI-11-182: Oracle Java IE Browser Plugin Corrupted Window Procedure Hook Remote Code Execution Vulnerability

ZDI-11-182: Oracle Java IE Browser Plugin Corrupted Window Procedure Hook Remote Code Execution Vulnerability

http://www.zerodayinitiative.com/advisories/ZDI-11-182

June 8, 2011

-- CVE ID:
CVE-2011-0817

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

-- Affected Vendors:
Oracle

-- Affected Products:
Oracle Java Runtime

-- TippingPoint(TM) IPS Customer Protection:
TippingPoint IPS customers have been protected against this
vulnerability by Digital Vaccine protection filter ID 11313.
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 the Oracle Sun Java Runtime. 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 JP2IEXP.dll browser plugin. The
module creates a window hook when an applet is instantiated within the
context of a browser. If the underlying DOM element is cloned and the
parent object removed, a dangling reference can exist. When the module
attempts to walk the relationship list to call the window hook, the
process can be made to jump into uninitialized heap memory. This can be
exploited by an attacker to execute code under the context of the user
running the browser.

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

http://www.oracle.com/technetwork/topics/security/javacpujune2011-313339.html

-- Disclosure Timeline:
2011-01-21 - Vulnerability reported to vendor
2011-06-08 - Coordinated public release of advisory

-- Credit:
This vulnerability was discovered by:
   * Stephen Fewer of Harmony Security (www.harmonysecurity.com)

-- 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/

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