Mozilla Firefox createRange() Remote DoS
Severity: MEDIUM
CVE Identifier: CVE-2006-5633
Advisory Date: FEB 15, 2011
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.
TREND MICRO PROTECTION INFORMATION
Trend Micro Deep Security shields networks through Deep Packet Inspection (DPI) rules. Trend Micro customers using OfficeScan with Intrusion Defense Firewall (IDF) plugin are also protected from attacks using these vulnerabilities. Please refer to the filter number and filter name when applying appropriate DPI and/or IDF rules.
SOLUTION
Trend Micro Deep Security DPI Rule Number: 1001125
Trend Micro Deep Security DPI Rule Name: 1001125 - Mozilla Firefox createRange() Remote DoS
AFFECTED SOFTWARE AND VERSION
- Mozilla Firefox 1.5.0.7
- Mozilla Firefox 2.0
- Mozilla Seamonkey 1.1b
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