ET EXPLOIT Possible Zimbra Autodiscover Servlet XXE (CVE-2019-9670)

Query · suricata

flow:established,to_server;
http.method;
content:"POST";
http.uri;
content:"/Autodiscover/Autodiscover.xml";
http.request_body;
content:"<!ENTITY|20|";
content:"|20|SYSTEM|20 22|"; fast_pattern;
pcre:"/^\s?(?:file|https?)\x3a/Ri";
Raw source ET EXPLOIT Possible Zimbra Autodiscover Servlet XXE (CVE-2019-9670) · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert http any any -> [$HOME_NET,$HTTP_SERVERS] any (
    msg:"ET EXPLOIT Possible Zimbra Autodiscover Servlet XXE (CVE-2019-9670)";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.uri;
    content:"/Autodiscover/Autodiscover.xml";
    http.request_body;
    content:"<!ENTITY|20|";
    content:"|20|SYSTEM|20 22|"; fast_pattern;
    pcre:"/^\s?(?:file|https?)\x3a/Ri";
    reference:cve,2019-9670;
    classtype:attempted-admin;
    sid:2037040; rev:1;
    metadata:attack_target Server, created_at 2022_06_20, cve CVE_2019_9670, deployment Perimeter, deployment Internal, confidence Medium, signature_severity Major, tag Exploit, tag CISA_KEV, updated_at 2022_06_20, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application;
)

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