ZDI-11-082: Oracle Java Runtime NTLM Authentication Information Leakage Vulnerability

http://www.zerodayinitiative.com/advisories/ZDI-11-082

February 15, 2011

-- CVE ID:
CVE-2010-4466

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

-- Affected Vendors:
Oracle

-- Affected Products:
Oracle Java Runtime

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TippingPoint IPS customers have been protected against this
vulnerability by Digital Vaccine protection filter ID 9709. 
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-- Vulnerability Details:
This vulnerability allows remote attackers to leak authentication
details on vulnerable installations of the Oracle Java Runtime. User
interaction is required to exploit this vulnerability in that the target
must visit a malicious page.

The specific flaw exists in the handling of NTLM authentication
requested generated in the context of the Java Runtime. The Java Virtual
Machine will ignore browser policies and respond to WWW-Authenticate
requests from the Internet zone resulting in the leakage of NTLM
authentication hashes to attackers.

-- 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:
2009-08-20 - Vulnerability reported to vendor
2011-02-15 - Coordinated public release of advisory

-- Credit:
This vulnerability was discovered by:
    * Sami Koivu

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