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Last updated: 10/23/2014 4:11:23 AM

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National Cyber Awareness System

Vulnerability Summary for CVE-2006-5633

Original release date: 10/31/2006
Last revised: 09/05/2008
Source: US-CERT/NIST

Overview

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.

Impact

CVSS Severity (version 2.0):
CVSS v2 Base Score: 5.0 (MEDIUM) (AV:N/AC:L/Au:N/C:N/I:N/A:P) (legend)
Impact Subscore: 2.9
Exploitability Subscore: 10.0
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: Low
Authentication: Not required to exploit
Impact Type: Allows disruption of service

Vendor Statements (disclaimer)

Official Statement from Red Hat (11/07/2006)
Red Hat does not consider a user-assisted crash of a client application such as Firefox to be a security issue.

References to Advisories, Solutions, and Tools

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External Source: CONFIRM
Name: https://bugzilla.mozilla.org/show_bug.cgi?id=358797
External Source: FULLDISC
Name: 20061030 Firefox <= 2.0 crash
External Source: BUGTRAQ
Name: 20061031 Re: New Flaw in Firefox 2.0: DoS and possible remote code execution
Type: Advisory; Exploit
External Source: BUGTRAQ
Name: 20061127 Re: New Flaw in Firefox 2.0: DoS and possible remote code execution
External Source: XF
Name: firefox-createrange-dos(29916)
External Source: MISC
Name: http://www.gotfault.net/research/advisory/gadv-firefox.txt
Type: Advisory; Exploit
External Source: BUGTRAQ
Name: 20061031 New Flaw in Firefox 2.0: DoS and possible remote code execution
Type: Advisory; Exploit
External Source: BUGTRAQ
Name: 20061031 Re: New Flaw in Firefox 2.0: DoS and possible remote code execution
Type: Advisory; Exploit
External Source: BUGTRAQ
Name: 20061101 Re: New Flaw in Firefox 2.0: DoS and possible remote code execution
External Source: BID
Name: 20799
External Source: CONFIRM
Name: https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=213237

Technical Details

Vulnerability Type (View All)