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CVE-2009-3886

7.5 · HIGH

The Java Web Start implementation in Sun Java SE 6 before Update 17 does not properly handle the interaction between a signed JAR file and a JNLP (1) application or (2) applet, which has unspecifie…

Published Nov 9, 2009sunEPSS 1.70%

Overview

CVE-2009-3886 is a high-severity vulnerability affecting sun jre. It was published on November 9, 2009 and has a CVSS 2.0 base score of 7.5 (HIGH).

This vulnerability has a CVSS 2.0 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

The Java Web Start implementation in Sun Java SE 6 before Update 17 does not properly handle the interaction between a signed JAR file and a JNLP (1) application or (2) applet, which has unspecified impact and attack vectors, related to a "regression," aka Bug Id 6870531.

Remediation

Check the references section for vendor advisories and patches from sun. Update jre 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
sunjre0Affected

References

Refjava.sun.com/javase/6/webnotes/6u17.htmlRefsecunia.com/advisories/37386Refsecurity.gentoo.org/glsa/glsa-200911-02.xmlRefbugzilla.redhat.com/show_bug.cgi?id=532914Refoval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6794Refjava.sun.com/javase/6/webnotes/6u17.htmlRefsecunia.com/advisories/37386Refsecurity.gentoo.org/glsa/glsa-200911-02.xmlRefbugzilla.redhat.com/show_bug.cgi?id=532914Refoval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6794

How CyberStrike helps

Frequently asked questions

What is CVE-2009-3886?

CVE-2009-3886 is a high-severity vulnerability affecting sun jre. It was published on November 9, 2009 and has a CVSS 2.0 base score of 7.5 (HIGH).

How severe is CVE-2009-3886?

This vulnerability has a CVSS 2.0 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2009-3886?

Check the references section for vendor advisories and patches from sun. Update jre 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-2009-3886?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2009-3886 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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