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CVE-2012-5373

5.0 · MEDIUM

Oracle Java SE 7 and earlier, and OpenJDK 7 and earlier, computes hash values without properly restricting the ability to trigger hash collisions predictably, which allows context-dependent attacke…

Published Nov 28, 2012oracleCWE-310EPSS 2.29%

Overview

CVE-2012-5373 is a medium-severity vulnerability affecting oracle jdk. It was published on November 28, 2012 and has a CVSS 2.0 base score of 5.0 (MEDIUM).

This vulnerability has a CVSS 2.0 base score of 5.0, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

Oracle Java SE 7 and earlier, and OpenJDK 7 and earlier, computes hash values without properly restricting the ability to trigger hash collisions predictably, which allows context-dependent attackers to cause a denial of service (CPU consumption) via crafted input to an application that maintains a hash table, as demonstrated by a universal multicollision attack against the MurmurHash3 algorithm, a different vulnerability than CVE-2012-2739.

Remediation

Check the references section for vendor advisories and patches from oracle. Update jdk to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus
oraclejdk0Affected
oraclejre0Affected
oracleopenjdk0Affected

References

Ref2012.appsec-forum.ch/conferences/#c17Refasfws12.files.wordpress.com/2012/11/asfws2012-jean_philippe_aumasson-martin_bosslet-hash_flooding_dos_reloaded.pdfRefwww.ocert.org/advisories/ocert-2012-001.htmlRefwww.securityfocus.com/bid/56673Refbugzilla.redhat.com/show_bug.cgi?id=880705Refexchange.xforce.ibmcloud.com/vulnerabilities/80299Refwww.131002.net/data/talks/appsec12_slides.pdfRef2012.appsec-forum.ch/conferences/#c17Refasfws12.files.wordpress.com/2012/11/asfws2012-jean_philippe_aumasson-martin_bosslet-hash_flooding_dos_reloaded.pdfRefwww.ocert.org/advisories/ocert-2012-001.html

How CyberStrike helps

Frequently asked questions

What is CVE-2012-5373?

CVE-2012-5373 is a medium-severity vulnerability affecting oracle jdk. It was published on November 28, 2012 and has a CVSS 2.0 base score of 5.0 (MEDIUM).

How severe is CVE-2012-5373?

This vulnerability has a CVSS 2.0 base score of 5.0, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2012-5373?

Check the references section for vendor advisories and patches from oracle. Update jdk to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2012-5373?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2012-5373 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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