Information disclosure in Java-1.7.0-Openjdk
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 right after the allocation). A remote attacker could use this flaw to obtain potentially sensitive information.
Vulnerability class: Information Disclosure
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.045 (91.2th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 91st percentile — 91.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.045 · newest: 0.045 · change: 0.000
Affected products
- Java-1.7.0-Openjdk — versions 1.7.0_04 to 1.7.0_10
- Oracle Jdk — versions 7.0
Weakness classification (CWE)
References
- bugzilla.redhat.com/show_bug.cgi (Third Party Advisory, Issue Tracking)
- access.redhat.com/security/cve/cve-2012-4420 (Third Party Advisory)
- exchange.xforce.ibmcloud.com/vulnerabilities/78693 (VDB Entry, Third Party Advisory)
- www.openwall.com/lists/oss-security/2012/09/13/3 (Mailing List, Third Party Advisory)
- www.securityfocus.com/bid/55538 (VDB Entry, Third Party Advisory)
- www.openwall.com/lists/oss-security/2012/09/12/4 (Mailing List, Third Party Advisory)
- bugs.java.com/bugdatabase/view_bug.do (Exploit, Third Party Advisory, Issue Tracking)
Frequently asked questions
- What is CVE-2012-4420?
- CVE-2012-4420 is a high-severity vulnerability in Java-1.7.0-Openjdk, classified under Information Disclosure. CVSS score: 7.5/10. Published 2019-12-26.
- How severe is CVE-2012-4420?
- High severity. CVSS v3 base score is 7.5 out of 10.