full-disclosure - ZDI-11-084: Oracle Java Unsigned Applet Applet2ClassLoader Remote Code Execution Vulnerability

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Message-ID: <AF6E290B52139041BD6CA591212E455B575D196949@GVW0442EXB.americas.hpqcorp.net>
Date: Tue, 15 Feb 2011 22:15:28 +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-11-084: Oracle Java Unsigned Applet
 Applet2ClassLoader Remote Code Execution Vulnerability

ZDI-11-084: Oracle Java Unsigned Applet Applet2ClassLoader Remote Code Execution Vulnerability

http://www.zerodayinitiative.com/advisories/ZDI-11-084

February 15, 2011

-- CVE ID:
CVE-2010-4452

-- 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 10594. 
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 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 findClass method of the
sun.plugin2.applet.Applet2ClassLoader class. Due to a failure to
properly validate URLs supplied by an implicitly trusted applet, it is
possible to execute arbitrary code on Windows 32-bit and 64-bit, as well
as Linux 32-bit platforms under the context of the SYSTEM user. 

-- 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:
2010-09-28 - Vulnerability reported to vendor
2011-02-15 - Coordinated public release of advisory

-- Credit:
This vulnerability was discovered by:
    * Frederic Hoguin

-- 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

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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
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