Vulnerability Description
An information disclosure flaw was found in the way the Java Virtual Machine (JVM) implementation of Java SE 7 as provided by OpenJDK 7 incorrectly initialized integer arrays after memory allocation (in certain circumstances they had nonzero elements right after the allocation). A remote attacker could use this flaw to obtain potentially sensitive information.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Oracle | Jdk | 7.0 |
Related Weaknesses (CWE)
References
- http://www.openwall.com/lists/oss-security/2012/09/13/3Mailing ListThird Party Advisory
- http://www.securityfocus.com/bid/55538Third Party AdvisoryVDB Entry
- https://access.redhat.com/security/cve/cve-2012-4420Third Party Advisory
- https://bugs.java.com/bugdatabase/view_bug.do?bug_id=7196857ExploitIssue TrackingThird Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2012-4420Issue TrackingThird Party Advisory
- https://exchange.xforce.ibmcloud.com/vulnerabilities/78693Third Party AdvisoryVDB Entry
- https://www.openwall.com/lists/oss-security/2012/09/12/4Mailing ListThird Party Advisory
- http://www.openwall.com/lists/oss-security/2012/09/13/3Mailing ListThird Party Advisory
- http://www.securityfocus.com/bid/55538Third Party AdvisoryVDB Entry
- https://access.redhat.com/security/cve/cve-2012-4420Third Party Advisory
- https://bugs.java.com/bugdatabase/view_bug.do?bug_id=7196857ExploitIssue TrackingThird Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2012-4420Issue TrackingThird Party Advisory
- https://exchange.xforce.ibmcloud.com/vulnerabilities/78693Third Party AdvisoryVDB Entry
- https://www.openwall.com/lists/oss-security/2012/09/12/4Mailing ListThird Party Advisory
FAQ
What is CVE-2012-4420?
CVE-2012-4420 is a vulnerability with a CVSS score of 7.5 (HIGH). An information disclosure flaw was found in the way the Java Virtual Machine (JVM) implementation of Java SE 7 as provided by OpenJDK 7 incorrectly initialized integer arrays after memory allocation (...
How severe is CVE-2012-4420?
CVE-2012-4420 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2012-4420?
Check the references section above for vendor advisories and patch information. Affected products include: Oracle Jdk.