ET EXPLOIT Possible Atlassian Confluence Pre-Authorization Arbitrary File Read Attempt (pom.xml) (CVE-2021-26085)

Query · suricata

flow:established,to_server;
http.method;
content:"GET";
http.uri;
content:"/s/123cfx/_/|3b|/META-INF/maven/com.atlassian.confluence/confluence-webapp/pom.xml"; nocase; fast_pattern;
http.header_names;
content:!"Cookie|0d 0a|";
content:!"Authorization|0d 0a|";
Raw source ET EXPLOIT Possible Atlassian Confluence Pre-Authorization Arbitrary File Read Attempt (pom.xml) (CVE-2021-26085) · 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 -> [$HOME_NET,$HTTP_SERVERS] any (
    msg:"ET EXPLOIT Possible Atlassian Confluence Pre-Authorization Arbitrary File Read Attempt (pom.xml) (CVE-2021-26085)";
    flow:established,to_server;
    http.method;
    content:"GET";
    http.uri;
    content:"/s/123cfx/_/|3b|/META-INF/maven/com.atlassian.confluence/confluence-webapp/pom.xml"; nocase; fast_pattern;
    http.header_names;
    content:!"Cookie|0d 0a|";
    content:!"Authorization|0d 0a|";
    reference:url,packetstormsecurity.com/files/164401/Atlassian-Confluence-Server-7.5.1-Arbitrary-File-Read.html;
    reference:cve,2021-26085;
    classtype:attempted-admin;
    sid:2034153; rev:1;
    metadata:attack_target Server, created_at 2021_10_07, cve CVE_2021_26085, deployment Perimeter, deployment Internal, performance_impact Low, confidence Medium, signature_severity Major, tag Exploit, tag CISA_KEV, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2021_10_07;
)

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