ET EXPLOIT Junos OS - Unauthenticated PHPRC Environmental Variable Modification M1 (CVE-2023-36844 CVE-2023-36845)

Query · suricata

flow:established,to_server;
http.method;
content:"GET";
http.uri;
content:"/webauth_operation.php";
content:"PHPRC=|2f|var|2f|tmp|2f|"; fast_pattern;
target:dest_ip;
Raw source ET EXPLOIT Junos OS - Unauthenticated PHPRC Environmental Variable Modification M1 (CVE-2023-36844 CVE-2023-36845) · 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 Junos OS - Unauthenticated PHPRC Environmental Variable Modification M1 (CVE-2023-36844 CVE-2023-36845)";
    flow:established,to_server;
    http.method;
    content:"GET";
    http.uri;
    content:"/webauth_operation.php";
    content:"PHPRC=|2f|var|2f|tmp|2f|"; fast_pattern;
    reference:url,supportportal.juniper.net/s/article/2023-08-Out-of-Cycle-Security-Bulletin-Junos-OS-SRX-Series-and-EX-Series-Multiple-vulnerabilities-in-J-Web-can-be-combined-to-allow-a-preAuth-Remote-Code-Execution;
    reference:url,labs.watchtowr.com/cve-2023-36844-and-friends-rce-in-juniper-firewalls/;
    reference:cve,2023-36844;
    reference:cve,2023-36845;
    classtype:attempted-admin;
    sid:2047869; rev:1;
    metadata:affected_product JunOS, attack_target Networking_Equipment, created_at 2023_09_01, cve CVE_2023_36844_CVE_2023_36845, deployment Perimeter, deployment Internal, deployment SSLDecrypt, performance_impact Low, confidence Medium, signature_severity Major, tag CISA_KEV, updated_at 2023_09_01, reviewed_at 2023_09_01;
    target:dest_ip;
)

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