CVE-2013-0422 Detail

Current Description

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.


View Analysis Description

Severity



CVSS 3.x Severity and Metrics:

NIST CVSS score
NIST: NVD
Base Score:  N/A
NVD score not yet provided.


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Note: NVD Analysts have not published a CVSS score for this CVE at this time. NVD Analysts use publicly available information at the time of analysis to associate CVSS vector strings.

Evaluator Impact

Per: http://www.oracle.com/technetwork/java/javase/downloads/jdk7-downloads-1880260.html 'Note: JDK and JRE 6, 5.0 and 1.4.2, and Java SE Embedded JRE releases are not affected.'

References to Advisories, Solutions, and Tools

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Hyperlink Resource
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 US Government Resource 
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 US Government Resource 
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

Weakness Enumeration

CWE-ID CWE Name Source
CWE-264 Permissions, Privileges, and Access Controls cwe source acceptance level NIST  

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Change History

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Quick Info

CVE Dictionary Entry:
CVE-2013-0422
NVD Published Date:
01/10/2013
NVD Last Modified:
02/20/2014
Source:
MITRE