CVE-2012-4420
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…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (4.51%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- EPSS
- 4.51% probability · 91th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-200
- Affected
- oracle/jdk
- Source
- secalert@redhat.com
References
- http://www.openwall.com/lists/oss-security/2012/09/13/3Mailing List, Third Party Advisory
- http://www.securityfocus.com/bid/55538Third Party Advisory, VDB Entry
- https://access.redhat.com/security/cve/cve-2012-4420Third Party Advisory
- https://bugs.java.com/bugdatabase/view_bug.do?bug_id=7196857Exploit, Issue Tracking, Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2012-4420Issue Tracking, Third Party Advisory
- https://exchange.xforce.ibmcloud.com/vulnerabilities/78693Third Party Advisory, VDB Entry
- https://www.openwall.com/lists/oss-security/2012/09/12/4Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2012/09/13/3Mailing List, Third Party Advisory
- http://www.securityfocus.com/bid/55538Third Party Advisory, VDB Entry
- https://access.redhat.com/security/cve/cve-2012-4420Third Party Advisory
- https://bugs.java.com/bugdatabase/view_bug.do?bug_id=7196857Exploit, Issue Tracking, Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2012-4420Issue Tracking, Third Party Advisory
- https://exchange.xforce.ibmcloud.com/vulnerabilities/78693Third Party Advisory, VDB Entry
- https://www.openwall.com/lists/oss-security/2012/09/12/4Mailing List, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.