CVE-2009-3866

Description

The Java Web Start Installer in Sun Java SE in JDK and JRE 6 before Update 17 does not properly use security model permissions when removing installer extensions, which allows remote attackers to execute arbitrary code by modifying a certain JNLP file to have a URL field that points to an unintended trusted application, aka Bug Id 6872824.

Category

9.3
CVSS
Severity: Critical
CVSS 2.0 •
EPSS 5.66% Top 15%
Vendor Advisory marc.info Vendor Advisory gentoo.org Vendor Advisory redhat.com Vendor Advisory apple.com Vendor Advisory opensuse.org Vendor Advisory apple.com Vendor Advisory sun.com Vendor Advisory sun.com Vendor Advisory secunia.com Vendor Advisory vupen.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://www.securityfocus.com/bid/36881 vdb entry
http://support.apple.com/kb/HT3970
http://marc.info/?l=bugtraq&m=134254866602253&w=2 vendor advisory
http://support.apple.com/kb/HT3969
http://security.gentoo.org/glsa/glsa-200911-02.xml vendor advisory
http://www.redhat.com/support/errata/RHSA-2009-1694.html vendor advisory
http://lists.apple.com/archives/security-announce/2009/Dec/msg00000.html vendor advisory
http://secunia.com/advisories/37231 third party advisory vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2009-11/msg00010.html vendor advisory
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6635 signature vdb entry
http://www.vupen.com/english/advisories/2009/3131 patch vendor advisory vdb entry
http://lists.apple.com/archives/security-announce/2009/Dec/msg00001.html vendor advisory
http://secunia.com/advisories/37581 third party advisory
http://java.sun.com/javase/6/webnotes/6u17.html vendor advisory
http://secunia.com/advisories/37841 third party advisory
http://zerodayinitiative.com/advisories/ZDI-09-077/ patch
http://sunsolve.sun.com/search/document.do?assetkey=1-66-269870-1 patch vendor advisory
http://secunia.com/advisories/37239 third party advisory
http://secunia.com/advisories/37386 third party advisory

Frequently Asked Questions

What is the severity of CVE-2009-3866?
CVE-2009-3866 has been scored as a critical severity vulnerability.
How to fix CVE-2009-3866?
To fix CVE-2009-3866, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2009-3866 being actively exploited in the wild?
It is possible that CVE-2009-3866 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~6% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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