ET WEB_SPECIFIC_APPS W&B Weave Server Arbitrary File Leak (CVE-2024-7340)

alert http $EXTERNAL_NET any -> $HOME_NET any (
    msg:"ET WEB_SPECIFIC_APPS W&B Weave Server Arbitrary File Leak (CVE-2024-7340)";
    flow:established,to_server;
    http.request_line;
    content:"GET /__weave/file/tmp/weave/fs/"; fast_pattern; startswith;
    pcre:"/^.{0,10}(?:(?:\x2e|%2[Ee]){1,2}(?:\x2f|\x5c|%5[Cc]|%2[Ff]){1,}){2,}/R";
    reference:url,github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2024/CVE-2024-7340.yaml;
    reference:cve,2024-7340;
    classtype:web-application-attack;
    sid:2056182; rev:1;
    metadata:attack_target Web_Server, tls_state TLSDecrypt, created_at 2024_09_25, cve CVE_2024_7340, deployment Perimeter, deployment Internal, deployment SSLDecrypt, performance_impact Low, confidence High, signature_severity Major, updated_at 2024_09_25, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application;
    target:dest_ip;
)