CVE-2013-2423 — Oracle JRE Unspecified Vulnerability

Unspecified vulnerability in the Java Runtime Environment (JRE) component in Oracle Java SE 7 Update 17 and earlier, and OpenJDK 7, allows remote attackers to affect integrity via unknown vectors related to HotSpot. NOTE: the previous information is from the April 2013 CPU. Oracl

01What is this vulnerability?

Unspecified vulnerability in the Java Runtime Environment (JRE) component in Oracle Java SE 7 Update 17 and earlier, and OpenJDK 7, allows remote attackers to affect integrity via unknown vectors related to HotSpot. NOTE: the previous information is from the April 2013 CPU. Oracle has not commented on claims from the original researcher that this vulnerability allows remote attackers to bypass…

02Affected products

Vendor	Product	Versions
n	a / n/a	n/a

03Active exploitation status

Yes — actively exploited. Added to the CISA KEV catalog on 2022-05-25. Ransomware use: Unknown.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Open the Sigma generator with a pre-filled prompt for this CVE to draft a starting detection in your stack of choice:

Open in Sigma generator →

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2013-04-17T15:00:00.000Z
• Last modified: 2025-10-22T00:05:43.126Z
• Added to CISA KEV: 2022-05-25
• BOD 22-01 due: 2022-06-15

09References

• security.gentoo.org — http://security.gentoo.org/glsa/glsa-201406-32.xml
• weblog.ikvm.net — http://weblog.ikvm.net/PermaLink.aspx?guid=acd2dd6d-1028-4996-95df-efa42ac237f0
• www.us-cert.gov — http://www.us-cert.gov/ncas/alerts/TA13-107A
• wiki.mageia.org — https://wiki.mageia.org/en/Support/Advisories/MGASA-2013-0130
• rhn.redhat.com — http://rhn.redhat.com/errata/RHSA-2013-0757.html
• hg.openjdk.java.net — http://hg.openjdk.java.net/jdk7u/jdk7u-dev/jdk/rev/b453d9be6b3f
• www.exploit-db.com — http://www.exploit-db.com/exploits/24976
• www.mandriva.com — http://www.mandriva.com/security/advisories?name=MDVSA-2013:161
• lists.opensuse.org — http://lists.opensuse.org/opensuse-updates/2013-06/msg00099.html
• rhn.redhat.com — http://rhn.redhat.com/errata/RHSA-2013-0752.html
• www.ubuntu.com — http://www.ubuntu.com/usn/USN-1806-1
• blog.spiderlabs.com — http://blog.spiderlabs.com/2013/04/java-is-so-confusing.html
• bugzilla.redhat.com — https://bugzilla.redhat.com/show_bug.cgi?id=952398
• oval.cisecurity.org — https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3…
• www.oracle.com — http://www.oracle.com/technetwork/topics/security/javacpuapr2013-1928497.html
• blog.fuseyism.com — http://blog.fuseyism.com/index.php/2013/04/22/security-icedtea-2-3-9-for-openjdk…