ET WEB_SPECIFIC_APPS Squid Proxy user_name and auth Reflected Cross-Site Scripting (CVE-2019-13345)

Query · suricata

flow:established,to_server;
http.method;
content:"GET";
http.uri;
content:"/cgi-bin/cachemgr.cgi|3f|"; fast_pattern; startswith;
pcre:"/^.+(?:user_name|auth)\x3d.+(script|onmouse[a-z]+|onkey[a-z]+|onerror|onload|onunload|ondragdrop|onblur|onfocus|onclick|ondblclick|onsubmit|onreset|onselect|onchange|style\x3d)/Ri";
target:dest_ip;
Raw source ET WEB_SPECIFIC_APPS Squid Proxy user_name and auth Reflected Cross-Site Scripting (CVE-2019-13345) · 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 Squid Proxy user_name and auth Reflected Cross-Site Scripting (CVE-2019-13345)";
    flow:established,to_server;
    http.method;
    content:"GET";
    http.uri;
    content:"/cgi-bin/cachemgr.cgi|3f|"; fast_pattern; startswith;
    pcre:"/^.+(?:user_name|auth)\x3d.+(script|onmouse[a-z]+|onkey[a-z]+|onerror|onload|onunload|ondragdrop|onblur|onfocus|onclick|ondblclick|onsubmit|onreset|onselect|onchange|style\x3d)/Ri";
    reference:url,www.sonicwall.com/blog/cve-2019-13345-squid-proxy-cross-site-scripting-vulnerability;
    reference:cve,2019-13345;
    classtype:web-application-attack;
    sid:2059281; rev:1;
    metadata:affected_product Squid, attack_target Networking_Equipment, tls_state TLSDecrypt, created_at 2025_01_16, cve CVE_2019_13345, deployment Perimeter, deployment Internal, deployment SSLDecrypt, performance_impact Low, confidence High, signature_severity Major, tag Exploit, updated_at 2025_01_16, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application;
    target:dest_ip;
)

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