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.
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.”