CVE-2023-3545
CVSS 3.1 Score 9.8 of 10 (high)
Details
Summary
CVE-2023-3545 is a critical vulnerability affecting Chamilo Learning Management System (LMS) versions prior to 1.11.20 on Windows and Apache installations. The vulnerability lies in the `fileUpload.lib.php` library, where improper sanitization enables unauthenticated attackers to bypass file upload security mechanisms. By uploading a malicious `.htaccess` file, attackers can gain remote code execution capabilities. Privileged attackers can directly exploit this flaw, or it may be chained with other arbitrary file write vulnerabilities, such as CVE-2023-3533, to achieve the same outcome.
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Affected Products
- Chamilo
Affected Vendors
- Chamilo
Advisories, Assessments, and Mitigations
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