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CVE-2006-5633

5.0 · MEDIUM

Firefox 1.5.0.7 and 2.0, and Seamonkey 1.1b, allows remote attackers to cause a denial of service (crash) by creating a range object using createRange, calling selectNode on a DocType node (DOCUMEN…

Published Oct 31, 2006mozillaEPSS 7.47%

Overview

CVE-2006-5633 is a medium-severity vulnerability affecting mozilla firefox. It was published on October 31, 2006 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

Firefox 1.5.0.7 and 2.0, and Seamonkey 1.1b, allows remote attackers to cause a denial of service (crash) by creating a range object using createRange, calling selectNode on a DocType node (DOCUMENT_TYPE_NODE), then calling createContextualFragment on the range, which triggers a null dereference. NOTE: the original Bugtraq post mentioned that code execution was possible, but followup analysis has shown that it is only a null dereference.

Remediation

Check the references section for vendor advisories and patches from mozilla. Update firefox 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

References

Reflists.grok.org.uk/pipermail/full-disclosure/2006-October/050416.htmlRefwww.gotfault.net/research/advisory/gadv-firefox.txtRefwww.securityfocus.com/archive/1/450155/100/0/threadedRefwww.securityfocus.com/archive/1/450167/100/0/threadedRefwww.securityfocus.com/archive/1/450168/100/0/threadedRefwww.securityfocus.com/archive/1/450682/100/200/threadedRefwww.securityfocus.com/archive/1/452803/100/0/threadedRefwww.securityfocus.com/bid/20799Refbugzilla.mozilla.org/show_bug.cgi?id=358797Refbugzilla.redhat.com/bugzilla/show_bug.cgi?id=213237

How CyberStrike helps

Frequently asked questions

What is CVE-2006-5633?

CVE-2006-5633 is a medium-severity vulnerability affecting mozilla firefox. It was published on October 31, 2006 and has a CVSS 2.0 base score of 5.0 (MEDIUM).

How severe is CVE-2006-5633?

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-2006-5633?

Check the references section for vendor advisories and patches from mozilla. Update firefox 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-2006-5633?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2006-5633 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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