ET EXPLOIT Firefox ESR PDF.js Arbitrary Javascript Execution (CVE-2024-4367)

Query · suricata

flow:established,to_client;
file.data;
content:"|25|PDF|2d|"; startswith;
content:"|2f|FontMatrix|20 5d|"; fast_pattern;
pcre:"/^[^7d]*?\x3b/R";
target:dest_ip;
Raw source ET EXPLOIT Firefox ESR PDF.js Arbitrary Javascript Execution (CVE-2024-4367) · 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 tcp any any -> $HOME_NET any (
    msg:"ET EXPLOIT Firefox ESR PDF.js Arbitrary Javascript Execution (CVE-2024-4367)";
    flow:established,to_client;
    file.data;
    content:"|25|PDF|2d|"; startswith;
    content:"|2f|FontMatrix|20 5d|"; fast_pattern;
    pcre:"/^[^7d]*?\x3b/R";
    reference:url,www.exploit-db.com/exploits/52273;
    reference:cve,2024-4367;
    classtype:misc-attack;
    sid:2062514; rev:1;
    metadata:affected_product Firefox, attack_target Client_Endpoint, created_at 2025_05_22, cve CVE_2024_4367, deployment Perimeter, deployment Internal, performance_impact Low, confidence High, signature_severity Major, tag Exploit, updated_at 2025_05_22;
    target:dest_ip;
)

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