ET EXPLOIT Netgear Seventh Inferno CVE-2021-41314 (new line injection)

Query · suricata

http.method;
content:"POST";
http.uri;
content:"/cgi/set.cgi?cmd=home_loginAuth"; fast_pattern;
http.request_body;
content:"_ds=";
content:"pwd="; distance:0;
pcre:"/^[^&\x0d\r]+[\n\x0a]/R";
Raw source ET EXPLOIT Netgear Seventh Inferno CVE-2021-41314 (new line injection) · 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 any any -> [$HOME_NET,$HTTP_SERVERS] any (
    msg:"ET EXPLOIT Netgear Seventh Inferno CVE-2021-41314 (new line injection)";
    http.method;
    content:"POST";
    http.uri;
    content:"/cgi/set.cgi?cmd=home_loginAuth"; fast_pattern;
    http.request_body;
    content:"_ds=";
    content:"pwd="; distance:0;
    pcre:"/^[^&\x0d\r]+[\n\x0a]/R";
    reference:url,gynvael.coldwind.pl/?id=742;
    reference:cve,2021-41314;
    classtype:attempted-dos;
    sid:2033969; rev:2;
    metadata:attack_target Networking_Equipment, created_at 2021_09_16, cve CVE_2021_41314, deployment Perimeter, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2021_09_16;
)

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