CVE-2012-4420: Infoleak
First published: Thu Dec 26 2019(Updated: )
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.
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Oracle Java SE 7 | =7.0 |
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Reference Links
- http://www.openwall.com/lists/oss-security/2012/09/13/3
- http://www.securityfocus.com/bid/55538
- https://access.redhat.com/security/cve/cve-2012-4420
- https://bugs.java.com/bugdatabase/view_bug.do?bug_id=7196857
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2012-4420
- https://exchange.xforce.ibmcloud.com/vulnerabilities/78693
- https://www.openwall.com/lists/oss-security/2012/09/12/4
Frequently Asked Questions
What is the severity of CVE-2012-4420?
CVE-2012-4420 is classified as a medium-severity vulnerability due to its potential for information disclosure.
What types of software are affected by CVE-2012-4420?
CVE-2012-4420 primarily affects the Oracle JDK version 7.0.
How can I mitigate the risk of CVE-2012-4420?
To mitigate CVE-2012-4420, it is recommended to upgrade to a later version of Java that addresses this vulnerability.
What kind of attack can exploit CVE-2012-4420?
CVE-2012-4420 can be exploited by remote attackers to gain unauthorized access to sensitive information.
How does CVE-2012-4420 create an information disclosure risk?
CVE-2012-4420 creates an information disclosure risk by improperly initializing integer arrays in the Java Virtual Machine, potentially exposing sensitive data.
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