Home/CVE/An information disclosure flaw was found in the way the Java Virtual Machine (JVM) implementation of Java SE 7 as provid
CVE

CVE-2012-4420

An information disclosure flaw was found in the way the Java Virtual Machine (JVM) implementation of Java SE 7 as provid

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.

HIGH · CVSS 7.5 EPSS 0.01067
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  • Public exploit or PoC is available
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-200Exposure of Sensitive Information to an Unauthorized Actor
▤

Affected Products & Versions

1
oracle jdkall versions
⚠

Public Exploits & PoCs

1
pocbugs.java.com · view_bug.do?bug_id=7196857bugs.java.com
▣

Scoring & Timeline

7.5
HIGH · CVSS v3.1 · secalert@redhat.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD26 Dec 2019 · 09:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
🔗

References & Sources

6
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
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://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
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