ET WEB_SPECIFIC_APPS Possible Apache Struts OGNL Expression Injection (CVE-2017-5638) M3

Query · suricata

flow:to_server,established;
http.header;
content:"Content-Type|3a 20|%{(#"; nocase; fast_pattern;
content:"multipart/form-data";
Raw source ET WEB_SPECIFIC_APPS Possible Apache Struts OGNL Expression Injection (CVE-2017-5638) M3 · Suricata
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Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert http $EXTERNAL_NET any -> $HTTP_SERVERS any (
    msg:"ET WEB_SPECIFIC_APPS Possible Apache Struts OGNL Expression Injection (CVE-2017-5638) M3";
    flow:to_server,established;
    http.header;
    content:"Content-Type|3a 20|%{(#"; nocase; fast_pattern;
    content:"multipart/form-data";
    classtype:web-application-attack;
    sid:2024045; rev:3;
    metadata:affected_product Apache_Struts2, attack_target Web_Server, created_at 2017_03_13, deployment Datacenter, performance_impact Low, confidence Medium, signature_severity Major, tag CISA_KEV, updated_at 2020_08_04;
)

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