ET WEB_SPECIFIC_APPS Possible F5 BIG-IP AJP Request Smuggling Attempt (CVE-2023-46747)

Query · suricata

flow:established,to_server;
http.method;
content:"POST";
http.uri;
content:"/tmui";
http.header;
content:"Transfer-Encoding|3a 20|chunked, chunked"; fast_pattern;
target:dest_ip;
Raw source ET WEB_SPECIFIC_APPS Possible F5 BIG-IP AJP Request Smuggling Attempt (CVE-2023-46747) · 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 any (
    msg:"ET WEB_SPECIFIC_APPS Possible F5 BIG-IP AJP Request Smuggling Attempt (CVE-2023-46747)";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.uri;
    content:"/tmui";
    http.header;
    content:"Transfer-Encoding|3a 20|chunked, chunked"; fast_pattern;
    reference:url,www.praetorian.com/blog/refresh-compromising-f5-big-ip-with-request-smuggling-cve-2023-46747/;
    reference:cve,2023-46747;
    classtype:web-application-attack;
    sid:2048925; rev:1;
    metadata:affected_product F5, attack_target Networking_Equipment, created_at 2023_10_27, cve CVE_2023_46747, deployment Perimeter, deployment Internal, deployment SSLDecrypt, performance_impact Low, confidence Low, signature_severity Major, tag CISA_KEV, updated_at 2023_10_27, reviewed_at 2024_10_02;
    target:dest_ip;
)

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