Rule History

alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET WEB_CLIENT Potential MSXML2.DOMDocument Uninitialized Memory Corruption (CVE-2012-1889)"; flow:to_client,established; file_data; content:"f6d90f11-9c73-11d3-b32e-00c04f990bb4"; nocase; content:"definition"; nocase; pcre:"/clsid\s*\x3a\s*\x7B?\s*f6d90f11-9c73-11d3-b32e-00c04f990bb4/si"; pcre:"/(?:\[\s*[\x22\x27]definition[\x22\x27]\s*\]|\.definition)\(/"; reference:cve,CVE-2012-1889; classtype:attempted-admin; sid:2014938; rev:14; metadata:affected_product Web_Browsers, affected_product Web_Browser_Plugins, attack_target Client_Endpoint, created_at 2012_06_22, deployment Perimeter, confidence Medium, signature_severity Major, tag Web_Client_Attacks, tag CISA_KEV, updated_at 2022_06_10;)