ET WEB_CLIENT Type Confusion Microsoft Edge (CVE-2017-11873)

Query · suricata

flow:established,from_server;
file_data;
content:"[1.1, 2.2"; fast_pattern;
pcre:"/^(?:\]|, 3\.3\])\x3b/R";
content:"Array(100)";
content:"i = 0|3b| i < 100";
content:"function opt(";
Raw source ET WEB_CLIENT Type Confusion Microsoft Edge (CVE-2017-11873) · Suricata
Esc
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 -> $HOME_NET any (
    msg:"ET WEB_CLIENT Type Confusion Microsoft Edge (CVE-2017-11873)";
    flow:established,from_server;
    file_data;
    content:"[1.1, 2.2"; fast_pattern;
    pcre:"/^(?:\]|, 3\.3\])\x3b/R";
    content:"Array(100)";
    content:"i = 0|3b| i < 100";
    content:"function opt(";
    reference:url,raw.githubusercontent.com/theori-io/pwnjs/master/examples/CVE-2017-11873.js;
    reference:cve,2017-11873;
    classtype:attempted-user;
    sid:2024993; rev:1;
    metadata:affected_product Web_Browsers, attack_target Client_Endpoint, created_at 2017_11_15, cve CVE_2017_11873, deployment Perimeter, performance_impact Significant, confidence High, signature_severity Major, updated_at 2019_07_26;
)

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