Mozilla Firefox before 184.108.40.206, Thunderbird before 220.127.116.11 and 2.x before 18.104.22.168, and SeaMonkey before 1.1.4 allow remote attackers to execute arbitrary commands via certain vectors associated with launching "a file handling program based on the file extension at the end of the URI," a variant of CVE-2007-4041. NOTE: the vendor states that "it is still possible to launch a filetype handler based on extension rather than the registered protocol handler."
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.
Trend Micro Deep Security DPI Rule Number: 1001032
Trend Micro Deep Security DPI Rule Name: 1001032 - Microsoft Windows URI Handler Registration Vulnerability