critical
9.3
Advisory Published
CVE Published
Updated

CVE-2014-4262

First published: Wed Mar 12 2014(Updated: )

Florian Weimer discovered that AtomicReferenceFieldUpdater in OpenJDK does not properly check if the field to be updated is of primitive type. An untrusted Java application or applet could use flaw to trigger Java virtual machine memory corruption and possibly bypass Java sandbox restrictions. AtomicReferenceFieldUpdater API documentation: <a href="http://docs.oracle.com/javase/7/docs/api/java/util/concurrent/atomic/AtomicReferenceFieldUpdater.html">http://docs.oracle.com/javase/7/docs/api/java/util/concurrent/atomic/AtomicReferenceFieldUpdater.html</a> This issue is mitigated by the bug that prevents Atomic*FieldUpdater instances when code runs under security manager restrictions under OpenJDK and Oracle JDK 6 and 7. The bug was fixed in JDK8: <a href="http://bugs.java.com/bugdatabase/view_bug.do?bug_id=7103570">http://bugs.java.com/bugdatabase/view_bug.do?bug_id=7103570</a> <a href="http://bugs.java.com/bugdatabase/view_bug.do?bug_id=7131655">http://bugs.java.com/bugdatabase/view_bug.do?bug_id=7131655</a> <a href="http://hg.openjdk.java.net/jdk8/tl/jdk/rev/48513d156965">http://hg.openjdk.java.net/jdk8/tl/jdk/rev/48513d156965</a> Acknowledgement: This issue was discovered by Florian Weimer of Red Hat Product Security.

Credit: secalert_us@oracle.com

Affected SoftwareAffected VersionHow to fix
Oracle JDK 6=1.5.0-update65
Oracle JDK 6=1.6.0-update75
Oracle JDK 6=1.7.0-update60
Oracle JDK 6=1.8.0-update5
Oracle Java Runtime Environment (JRE)=1.5.0-update65
Oracle Java Runtime Environment (JRE)=1.6.0-update75
Oracle Java Runtime Environment (JRE)=1.7.0-update60
Oracle Java Runtime Environment (JRE)=1.8.0-update5

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2014-4262?

    The severity of CVE-2014-4262 is classified as critical due to memory corruption vulnerabilities that could allow untrusted applications to bypass Java sandboxing.

  • How do I fix CVE-2014-4262?

    To fix CVE-2014-4262, update your OpenJDK or Oracle JDK to the latest version that addresses this vulnerability.

  • Which software versions are affected by CVE-2014-4262?

    CVE-2014-4262 affects multiple versions of Oracle JDK and JRE from 1.5.0-update65 to 1.8.0-update5.

  • What are the potential impacts of CVE-2014-4262?

    The potential impacts of CVE-2014-4262 include memory corruption and the ability for untrusted applications to execute code outside of the Java sandbox.

  • Is CVE-2014-4262 exploitable remotely?

    Yes, CVE-2014-4262 is exploitable remotely through malicious Java applications or applets.

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