ET WEB_SPECIFIC_APPS IPFire ovpnclients.dat CONNECTION_NAME Parameter SQL Injection Attempt (CVE-2025-34304)

alert http any any -> $HOME_NET any (
    msg:"ET WEB_SPECIFIC_APPS IPFire ovpnclients.dat CONNECTION_NAME Parameter SQL Injection Attempt (CVE-2025-34304)";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.uri; bsize:33;
    content:"/cgi-bin/logs.cgi/ovpnclients.dat"; fast_pattern;
    http.request_body;
    content:"CONNECTION_NAME|3d|";
    pcre:"/^[^<]*?(?:\x27|%27|-{2}|%2d%2d)?(?:(?:S(?:HOW.+(?:C(?:UR(?:DAT|TIM)E|HARACTER.+SET)|(?:VARI|T)ABLES)|ELECT.+(?:FROM|USER|SLEEP|CONCAT|CASE))|U(?:NION.+SELEC|PDATE.+SE)T|DELETE.+FROM|INSERT.+INTO)|S(?:HOW.+(?:C(?:HARACTER.+SET|UR(DATE|TIME))|(?:VARI|T)ABLES)|ELECT.+(?:FROM|USER))|U(?:NION.+SELEC|PDATE.+SE)T|(?:NULL(?:\x2c|%2[cC])){2,}|(?:\x2f|%2[fF])(?:\x2a|%2[aA]).+(?:\x2a|%2[aA]).+(?:\x2f|%2[fF])|CONCAT.+SELECT|EXTRACTVALUE|UNION.+ALL)/Ri";
    reference:cve,2025-34304;
    classtype:attempted-admin;
    sid:2065573; rev:1;
    metadata:affected_product IPFire, attack_target Networking_Equipment, tls_state plaintext, created_at 2025_10_30, cve CVE_2025_34304, deployment Perimeter, deployment Internal, performance_impact Low, confidence High, signature_severity Major, tag Exploit, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2025_10_30, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application;
    target:dest_ip;
)