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.”
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