Rule History

alert tcp $EXTERNAL_NET $HTTP_PORTS -> $HOME_NET any (msg:"ET WEB_CLIENT Adobe Reader and Acrobat U3D File Invalid Array Index Remote Code Execution Attempt"; flow:established,to_client; content:"/U3D/Length 172"; pcre:"/<<[^>]*\x2FU3D\x2FLength\x20172[0-5][0-9]{2}/sm"; reference:url,labs.idefense.com/intelligence/vulnerabilities/display.php?id=827; reference:url,www.adobe.com/support/security/bulletins/apsb09-15.html; reference:bid,36638; reference:cve,2009-2990; classtype:attempted-user; sid:2012179; rev:6; metadata:affected_product Web_Browsers, affected_product Web_Browser_Plugins, attack_target Client_Endpoint, created_at 2011_01_15, cve CVE_2009_2990, deployment Perimeter, confidence Medium, signature_severity Major, tag Web_Client_Attacks, updated_at 2019_07_26, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application;)