ET WEB_SPECIFIC_APPS GLPI Unauthenticated Information Disclosure via User Enumeration (CVE-2023-41323)

alert http any any -> $HOME_NET any (
    msg:"ET WEB_SPECIFIC_APPS GLPI Unauthenticated Information Disclosure via User Enumeration (CVE-2023-41323)";
    flow:established,to_server;
    http.uri;
    content:"/front/user.form.php|3f|"; fast_pattern;
    content:"name|5b|0|5d 3d|like"; nocase;
    content:"name|5b|1|5d 3d|";
    reference:url,github.com/Orange-Cyberdefense/glpwnme/;
    reference:cve,2023-41323;
    classtype:web-application-attack;
    sid:2067162; rev:1;
    metadata:affected_product GLPI, attack_target Server, tls_state TLSDecrypt, created_at 2026_01_28, cve CVE_2023_41323, deployment Perimeter, deployment Internal, deployment SSLDecrypt, confidence High, signature_severity Major, tag Exploit, updated_at 2026_01_28, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application;
    target:dest_ip;
)