ET EXPLOIT Possible SysAid Traversal Attack (CVE-2023-47246)

Query · suricata

flow:established,to_server;
http.method;
content:"POST";
http.uri;
content:"accountid="; fast_pattern; nocase;
pcre:"/^[^&]+\x2e(?:\x2e|\x2f)/Ri";
target:dest_ip;
Raw source ET EXPLOIT Possible SysAid Traversal Attack (CVE-2023-47246) · 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 EXPLOIT Possible SysAid Traversal Attack (CVE-2023-47246)";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.uri;
    content:"accountid="; fast_pattern; nocase;
    pcre:"/^[^&]+\x2e(?:\x2e|\x2f)/Ri";
    reference:url,www.huntress.com/blog/critical-vulnerability-sysaid-cve-2023-47246;
    reference:url,profero.io/posts/sysaidonpremvulnerability/;
    reference:url,swww.sysaid.com/blog/service-desk/on-premise-software-security-vulnerability-notification;
    reference:cve,2023-47246;
    classtype:attempted-admin;
    sid:2049147; rev:2;
    metadata:attack_target Web_Server, created_at 2023_11_10, cve CVE_2023_47246, deployment Perimeter, deployment SSLDecrypt, performance_impact Low, confidence Low, signature_severity Major, tag CISA_KEV, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_11_27, reviewed_at 2024_03_18;
    target:dest_ip;
)

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