Vulnerability Description
Improper sanitisation in `main/inc/lib/fileUpload.lib.php` in Chamilo LMS <= v1.11.20 on Windows and Apache installations allows unauthenticated attackers to bypass file upload security protections and obtain remote code execution via uploading of `.htaccess` file. This vulnerability may be exploited by privileged attackers or chained with unauthenticated arbitrary file write vulnerabilities, such as CVE-2023-3533, to achieve remote code execution.
CVSS Score
CRITICAL
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Chamilo | Chamilo | <= 1.11.20 |
Related Weaknesses (CWE)
References
- https://github.com/chamilo/chamilo-lms/commit/dc7bfce429fbd843a95a57c184b6992c4dPatch
- https://starlabs.sg/advisories/23/23-3545/ExploitThird Party Advisory
- https://support.chamilo.org/projects/chamilo-18/wiki/security_issues#Issue-125-2Issue TrackingVendor Advisory
- https://github.com/chamilo/chamilo-lms/commit/dc7bfce429fbd843a95a57c184b6992c4dPatch
- https://starlabs.sg/advisories/23/23-3545/ExploitThird Party Advisory
- https://support.chamilo.org/projects/chamilo-18/wiki/security_issues#Issue-125-2Issue TrackingVendor Advisory
FAQ
What is CVE-2023-3545?
CVE-2023-3545 is a vulnerability with a CVSS score of 9.8 (CRITICAL). Improper sanitisation in `main/inc/lib/fileUpload.lib.php` in Chamilo LMS <= v1.11.20 on Windows and Apache installations allows unauthenticated attackers to bypass file upload security protections an...
How severe is CVE-2023-3545?
CVE-2023-3545 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2023-3545?
Check the references section above for vendor advisories and patch information. Affected products include: Chamilo Chamilo.