CVE-2013-0422: Oracle JRE Remote Code Execution Vulnerability
First published: Thu Jan 10 2013(Updated: )
Multiple vulnerabilities in Oracle Java 7 before Update 11 allow remote attackers to execute arbitrary code by (1) using the public getMBeanInstantiator method in the JmxMBeanServer class to obtain a reference to a private MBeanInstantiator object, then retrieving arbitrary Class references using the findClass method, and (2) using the Reflection API with recursion in a way that bypasses a security check by the java.lang.invoke.MethodHandles.Lookup.checkSecurityManager method due to the inability of the sun.reflect.Reflection.getCallerClass method to skip frames related to the new reflection API, as exploited in the wild in January 2013, as demonstrated by Blackhole and Nuclear Pack, and a different vulnerability than CVE-2012-4681 and CVE-2012-3174. NOTE: some parties have mapped the recursive Reflection API issue to CVE-2012-3174, but CVE-2012-3174 is for a different vulnerability whose details are not public as of 20130114. CVE-2013-0422 covers both the JMX/MBean and Reflection API issues. NOTE: it was originally reported that Java 6 was also vulnerable, but the reporter has retracted this claim, stating that Java 6 is not exploitable because the relevant code is called in a way that does not bypass security checks. NOTE: as of 20130114, a reliable third party has claimed that the findClass/MBeanInstantiator vector was not fixed in Oracle Java 7 Update 11. If there is still a vulnerable condition, then a separate CVE identifier might be created for the unfixed issue.
Credit: secalert_us@oracle.com secalert_us@oracle.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Sun Java Runtime Environment 5 | ||
| Oracle JDK 6 | =1.7.0 | |
| Oracle JDK 6 | =1.7.0-update1 | |
| Oracle JDK 6 | =1.7.0-update10 | |
| Oracle JDK 6 | =1.7.0-update2 | |
| Oracle JDK 6 | =1.7.0-update3 | |
| Oracle JDK 6 | =1.7.0-update4 | |
| Oracle JDK 6 | =1.7.0-update5 | |
| Oracle JDK 6 | =1.7.0-update6 | |
| Oracle JDK 6 | =1.7.0-update7 | |
| Oracle JDK 6 | =1.7.0-update9 | |
| Oracle Java Runtime Environment (JRE) | =1.7.0 | |
| Oracle Java Runtime Environment (JRE) | =1.7.0-update1 | |
| Oracle Java Runtime Environment (JRE) | =1.7.0-update10 | |
| Oracle Java Runtime Environment (JRE) | =1.7.0-update2 | |
| Oracle Java Runtime Environment (JRE) | =1.7.0-update3 | |
| Oracle Java Runtime Environment (JRE) | =1.7.0-update4 | |
| Oracle Java Runtime Environment (JRE) | =1.7.0-update5 | |
| Oracle Java Runtime Environment (JRE) | =1.7.0-update6 | |
| Oracle Java Runtime Environment (JRE) | =1.7.0-update7 | |
| Oracle Java Runtime Environment (JRE) | =1.7.0-update9 | |
| Oracle JDK 6 | =1.7.0 | |
| Oracle Java Runtime Environment (JRE) | =1.7.0 | |
| Ubuntu | =12.10 | |
| openSUSE | =12.2 |
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Reference Links
- http://blog.fireeye.com/research/2013/01/happy-new-year-from-new-java-zero-day.html
- http://blog.fuseyism.com/index.php/2013/01/15/security-icedtea-2-1-4-2-2-4-2-3-4-released/
- http://immunityproducts.blogspot.ca/2013/01/confirmed-java-only-fixed-one-of-two.html
- http://krebsonsecurity.com/2013/01/zero-day-java-exploit-debuts-in-crimeware/
- http://labs.alienvault.com/labs/index.php/2013/new-year-new-java-zeroday/
- http://lists.opensuse.org/opensuse-security-announce/2013-01/msg00025.html
- http://malware.dontneedcoffee.com/2013/01/0-day-17u10-spotted-in-while-disable.html
- http://rhn.redhat.com/errata/RHSA-2013-0156.html
- http://rhn.redhat.com/errata/RHSA-2013-0165.html
- http://seclists.org/bugtraq/2013/Jan/48
- http://www.kb.cert.org/vuls/id/625617
- http://www.mandriva.com/security/advisories?name=MDVSA-2013:095
- http://www.oracle.com/technetwork/topics/security/alert-cve-2013-0422-1896849.html
- http://www.ubuntu.com/usn/USN-1693-1
- http://www.us-cert.gov/cas/techalerts/TA13-010A.html
- https://partners.immunityinc.com/idocs/Java%20MBeanInstantiator.findClass%200day%20Analysis.pdf
- https://threatpost.com/en_us/blogs/nasty-new-java-zero-day-found-exploit-kits-already-have-it-011013
- https://wiki.mageia.org/en/Support/Advisories/MGASA-2013-0018
- https://www-304.ibm.com/connections/blogs/PSIRT/entry/oracle_java_7_security_manager_bypass_vulnerability_cve_2013_04224?lang=en_us
- https://nvd.nist.gov/vuln/detail/CVE-2013-0422
Frequently Asked Questions
What is the severity of CVE-2013-0422?
CVE-2013-0422 is classified as a high severity vulnerability that allows remote code execution.
How can I fix CVE-2013-0422?
To fix CVE-2013-0422, you should update to the latest version of Oracle Java 7 or apply the security patches provided by Oracle.
Which versions of Java are affected by CVE-2013-0422?
CVE-2013-0422 affects Oracle Java 7 before Update 11, including versions 1.7.0 through 1.7.0-update10.
What types of attacks can be executed due to CVE-2013-0422?
CVE-2013-0422 allows remote attackers to execute arbitrary code, potentially leading to system compromise.
Is CVE-2013-0422 still a threat if I no longer use Java?
If you have Java installed on your system, CVE-2013-0422 remains a threat until the affected software is removed or updated.
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