Vulnerability · Published Nov 28, 2023 · Assigned by STAR_Labs
CVE-2023-4223Chamilo LMS File Upload Functionality Remote Code Execution
High 8.8
In plain English
A high-severity unrestricted file upload in Chamilo from Chamilo. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 1.8% (higher than 79% of all known vulnerabilities).
Severity (CVSS 3.1)8.8High
Exploit odds (30 days)1.8%top 21.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
Unrestricted file upload in `/main/inc/ajax/document.ajax.php` in Chamilo LMS <= v1.11.24 allows authenticated attackers with learner role to obtain remote code execution via uploading of PHP files.
Affected products (as reported)
Weakness: CWE-434 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
References
- https://support.chamilo.org/projects/chamilo-18/wiki/security_issues#Issue-129-2023-09-04-Critical-impact-Moderate-risk-Authenticated-users-may-gain-unauthenticated-RCE-CVE-2023-4223CVE-2023-4224CVE-2023-4225CVE-2023-4226 vendor-advisory
- https://starlabs.sg/advisories/23/23-4223 third-party-advisory
- https://github.com/chamilo/chamilo-lms/commit/6f32625a012d5de2dfe8edbccb4ed14a85e310d4 patch
- https://github.com/chamilo/chamilo-lms/commit/3d74fb7d99bd2e287730552f7a66562417a55047 patch
- https://github.com/chamilo/chamilo-lms/commit/e864127a440c2cab0eb62c113a04e2e904543a1f patch