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Sun Java Runtime Environment XNewPtr Remote Code Execution Vulnerability JAV:



ZDI-10-052: Sun Java Runtime Environment XNewPtr Remote Code Execution Vulnerability
ZDI-10-052: Sun Java Runtime Environment XNewPtr Remote Code Execution Vulnerability



ZDI-10-052: Sun Java Runtime Environment XNewPtr Remote Code Execution Vulnerability
http://www.zerodayinitiative.com/advisories/ZDI-10-052 
April 5, 2010

-- CVE ID:
CVE-2010-0843

-- Affected Vendors:
Sun Microsystems

-- Affected Products:
Sun Microsystems Java Runtime

-- TippingPoint(TM) IPS Customer Protection:
TippingPoint IPS customers have been protected against this
vulnerability by Digital Vaccine protection filter ID 9648. 
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 Sun's Java Runtime Environment. User
interaction is required to exploit this vulnerability in that the target
must visit a malicious page.

The specific flaw exists within a function responsible for allocating
objects in the com.sun.media.sound libraries. This function takes an
integer parameter and adds a fixed amount to it before allocating from
the heap. This can be exploited to gain arbitrary code execution by
forcing a call to this allocator with a large enough integer parameter.

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

http://www.oracle.com/technology/deploy/security/critical-patch-updates/javacpumar2010.html 

-- Disclosure Timeline:
2009-12-10 - Vulnerability reported to vendor
2010-04-05 - Coordinated public release of advisory

-- Credit:
This vulnerability was discovered by:
* Peter Vreugdenhil ( http://vreugdenhilresearch.nl ) 

-- 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:

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