bugtraq - ZDI-11-086: Oracle Java Webstart Trusted JNLP Extension Remote Code Execution Vulnerability

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Message-ID: <AF6E290B52139041BD6CA591212E455B575D19694D@GVW0442EXB.americas.hpqcorp.net>
Date: Tue, 15 Feb 2011 22:17:50 +0000
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-11-086: Oracle Java Webstart Trusted JNLP Extension Remote Code
 Execution Vulnerability

ZDI-11-086: Oracle Java Webstart Trusted JNLP Extension Remote Code Execution Vulnerability

http://www.zerodayinitiative.com/advisories/ZDI-11-086

February 15, 2011

-- CVE ID:
CVE-2010-4463

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

-- 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 10619. 
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 Oracle's Java Runtime Environment. 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 Java Webstart loader of the Java
Runtime Environment. When parsing a .jnlp file containing an extension,
the loader will honor the permissions defined within. This will allow
one to explicitly define the security permissions of their java
component which will then get executed. This will allow one to execute
code outside of the context of the JRE sandbox.

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

http://www.oracle.com/technetwork/topics/security/javacpufeb2011-304611.html

-- Disclosure Timeline:
2010-10-18 - Vulnerability reported to vendor
2011-02-15 - Coordinated public release of advisory

-- Credit:
This vulnerability was discovered by:
    * Peter Csepely

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