full-disclosure - ZDI-09-080: Sun Java Runtime Environment JPEGImageReader Heap Overflow Vulnerability

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Message-ID: <EE499D69B3D0714590B6FE9762B046110381100D1E@emb01.unity.local>
Date: Wed, 4 Nov 2009 13:50:57 -0600
From: ZDI Disclosures <zdi-disclosures@...pingpoint.com>
To: "'full-disclosure@...ts.grok.org.uk'" <full-disclosure@...ts.grok.org.uk>, 
	"'bugtraq@...urityfocus.com'" <bugtraq@...urityfocus.com>
Subject: ZDI-09-080: Sun Java Runtime Environment
 JPEGImageReader Heap Overflow Vulnerability

ZDI-09-080: Sun Java Runtime Environment JPEGImageReader Heap Overflow Vulnerability
http://www.zerodayinitiative.com/advisories/ZDI-09-080
November 4, 2009

-- 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 8701. 
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 in the processing of JPEG image dimensions.
When specifying large values to the dimensions of a subsample an integer
overflow occurs leading to memory corruption. Successful exploitation of
this vulnerability can lead to remote compromise under the credentials
of the currently logged in user.

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

http://sunsolve.sun.com/search/document.do?assetkey=1-66-270474-1

-- Disclosure Timeline:
2009-08-20 - Vulnerability reported to vendor
2009-11-04 - Coordinated public release of advisory

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

-- 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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