Java patch problems remain says researchers

An emergency security update to Java 7 has failed to patch two new vulnerabilities which allow attackers to execute arbitrary code on computers using the software, according to security researchers based in Poland.

Oracle Corp. released Java 7 Update 11 to stop a zero-day exploit, however, security firm Security Exploit said the software remains vulnerable.
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The United States Department of Homeland Security had earlier issued a warning to computer users to disable their Java plug-ins due to a major vulnerability.

“We have successfully confirmed that a complete Java security sandbox bypass, can still be gained under the recent version of Java 7 Update 11 (JRE version 1.7.0_11-n21),” Security Exploit researcher Adam Gowdiak said in a blog post.

“MBeanINstantiator bug (or rather a lack of a fix to it) turned out to be quite inspirational to use,” he said. “However, instead of relying on this particular bug, we have decided to dig our own issues.”


Oracle release Java patch but users not yet safe
U.S. says Java should be disabled

As a result, the firm found two new security flaws (51 and 52) on the new version of Java SE 7  code.

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