ET POLICY Vulnerable Java Version 21.0.x Detected

Query · suricata

flow:established,to_server;
flowbits:set,ET.http.javaclient.vulnerable;
http.user_agent;
content:"Java/21.0."; fast_pattern;
content:!"4"; within:1;
threshold:type limit, count 2, seconds 300, track by_src;

Rule dependencies

Feeds into

  • 19 rules read ET.http.javaclient.vulnerable · view all
Raw source ET POLICY Vulnerable Java Version 21.0.x Detected · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert http $HOME_NET any -> $EXTERNAL_NET any (
    msg:"ET POLICY Vulnerable Java Version 21.0.x Detected";
    flow:established,to_server;
    flowbits:set,ET.http.javaclient.vulnerable;
    http.user_agent;
    content:"Java/21.0."; fast_pattern;
    content:!"4"; within:1;
    threshold:type limit, count 2, seconds 300, track by_src;
    reference:url,www.oracle.com/java/technologies/javase/21u-relnotes.html;
    classtype:bad-unknown;
    sid:2049681; rev:4;
    metadata:affected_product Java, attack_target Client_Endpoint, created_at 2023_12_13, deployment Perimeter, confidence High, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_07_18;
)

Detection rules belong to the projects that publish them and remain under their own licenses. This site indexes and links to them; it claims no rights in them.