SB2023112938 - Multiple vulnerabilities in Chamilo LMS
Published: November 29, 2023
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 3 secuirty vulnerabilities.
1) Arbitrary file upload (CVE-ID: CVE-2023-4224)
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to insufficient validation of file during file upload in the /main/inc/ajax/dropbox.ajax.php script. A remote user can upload a malicious file and execute it on the server.
2) Arbitrary file upload (CVE-ID: CVE-2023-4226)
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to insufficient validation of file during file upload in the /main/inc/ajax/work.ajax.php script. A remote user can upload a malicious file and execute it on the server.
3) Arbitrary file upload (CVE-ID: CVE-2023-4225)
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to insufficient validation of file during file upload in the /main/inc/ajax/exercise.ajax.php script. A remote user can upload a malicious file and execute it on the server.
Remediation
Install update from vendor's website.
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
- https://starlabs.sg/advisories/23/23-4224
- https://github.com/chamilo/chamilo-lms/commit/6f32625a012d5de2dfe8edbccb4ed14a85e310d4
- https://github.com/chamilo/chamilo-lms/commit/f3d62b65ad60d68096c2674d5695339f04de0b8a
- https://github.com/chamilo/chamilo-lms/commit/e864127a440c2cab0eb62c113a04e2e904543a1f
- https://starlabs.sg/advisories/23/23-4226
- https://starlabs.sg/advisories/23/23-4225