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According to a posting yesterday by Adam Gowdiak of Security Explorations to Full Disclosure, Java 7 Update 11 (CVE-2013-0422) is still vulnerable as [...] a complete Java security sandbox bypass can be still gained under the recent version of Java 7 Update 11 (JRE version 1.7.0_11-b21).[1]

The MBeanInstantiator bug hasnt yet been addressed. Yesterday, Security Exploration reported two more vulnerabilities to Oracle along with Proof of Concept code (issue 50 and 51) [3].

We received several comments from our readers after the patch was released [4], how many of you have followed CERTs advice to disable Java content in their web browsers after they updated to 7u11? Please take a minute to answer our poll, What is your main concern about Java?

[1] http://seclists.org/fulldisclosure/2013/Jan/142

[2] http://www.oracle.com/technetwork/topics/security/alert-cve-2013-0422-1896849.html

[3] http://www.security-explorations.com/en/SE-2012-01-status.html

[4] https://isc.sans.edu/diary/Java+0-Day+patched+as+Java+7+U+11+released/14932

[5] http://www.kb.cert.org/vuls/id/625617

[6] http://www.java.com/en/download/help/disable_browser.xml

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Guy Bruneau IPSS Inc. gbruneau at isc dot sans dot edu

I will be teaching SEC 503 in Toronto this coming June
(c) SANS Internet Storm Center. http://isc.sans.edu Creative Commons Attribution-Noncommercial 3.0 United States License.
 
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