Mozilla Firefox Download Filename Spoofing Vulnerability
Severity: CRITICAL
CVE Identifier: CVE-2009-3376
Advisory Date: FEB 15, 2011
DESCRIPTION
Mozilla Firefox before 3.0.15 and 3.5.x before 3.5.4, and SeaMonkey before 2.0, does not properly handle a right-to-left override (aka RLO or U 202E) Unicode character in a download filename, which allows remote attackers to spoof file extensions via a crafted filename, as demonstrated by displaying a non-executable extension for an executable file.
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: 1003797
Trend Micro Deep Security DPI Rule Name: 1003797 - Mozilla Firefox Download Filename Spoofing Vulnerability
AFFECTED SOFTWARE AND VERSION
- mozilla firefox 3.0
- mozilla firefox 3.0.1
- mozilla firefox 3.0.10
- mozilla firefox 3.0.11
- mozilla firefox 3.0.12
- mozilla firefox 3.0.13
- mozilla firefox 3.0.2
- mozilla firefox 3.0.3
- mozilla firefox 3.0.4
- mozilla firefox 3.0.5
- mozilla firefox 3.0.6
- mozilla firefox 3.0.7
- mozilla firefox 3.0.8
- mozilla firefox 3.0.9
- mozilla firefox 3.5.1
- mozilla firefox 3.5.2
- mozilla firefox 3.5.3
- mozilla seamonkey 1.0
- mozilla seamonkey 1.0.1
- mozilla seamonkey 1.0.2
- mozilla seamonkey 1.0.3
- mozilla seamonkey 1.0.4
- mozilla seamonkey 1.0.5
- mozilla seamonkey 1.0.6
- mozilla seamonkey 1.0.7
- mozilla seamonkey 1.0.8
- mozilla seamonkey 1.0.9
- mozilla seamonkey 1.1
- mozilla seamonkey 1.1.1
- mozilla seamonkey 1.1.10
- mozilla seamonkey 1.1.11
- mozilla seamonkey 1.1.12
- mozilla seamonkey 1.1.13
- mozilla seamonkey 1.1.14
- mozilla seamonkey 1.1.15
- mozilla seamonkey 1.1.16
- mozilla seamonkey 1.1.17
- mozilla seamonkey 1.1.2
- mozilla seamonkey 1.1.3
- mozilla seamonkey 1.1.4
- mozilla seamonkey 1.1.5
- mozilla seamonkey 1.1.6
- mozilla seamonkey 1.1.7
- mozilla seamonkey 1.1.8
- mozilla seamonkey 1.1.9
- mozilla seamonkey 1.5.0.10
- mozilla seamonkey 1.5.0.8
- mozilla seamonkey 1.5.0.9
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