CVE-2023-4220
Chamilo LMS Unauthenticated Big Upload File Remote Code Execution
- State
- Published
- Severity
- 8.1 High
- Published
- Nov 28, 2023
- Updated
- Aug 2, 2024
- Reserved
- Aug 8, 2023
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 8.1 High | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H | STAR_Labs |
Weaknesses
- CWE-434 Unrestricted Upload of File with Dangerous Type
Affected Products
| Product | Versions |
|---|---|
ChamiloChamilo |
|
References
- https://support.chamilo.org/projects/chamilo-18/wiki/security_issues#Issue-130-2023-09-04-Critical-impact-High-risk-Unauthenticated-users-may-gain-XSS-and-unauthenticated-RCE-CVE-2023-4220vendor-advisory
- https://starlabs.sg/advisories/23/23-4220third-party-advisory
- https://github.com/chamilo/chamilo-lms/commit/3b487a55076fb06f96809b790a35dcdd42f8ec49patch
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