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.

Remediation

References

CVE-2023-3545

Related Vulnerabilities

WebERP Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') Vulnerability (CVE-2018-19434)

RubyGems Improper Neutralization of Argument Delimiters in a Command ('Argument Injection') Vulnerability (CVE-2019-8321)

Underscore.js Improper Control of Generation of Code ('Code Injection') Vulnerability (CVE-2021-23358)

WordPress Exposure of Sensitive Information to an Unauthorized Actor Vulnerability (CVE-2013-2202)

Craft CMS Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') Vulnerability (CVE-2019-17496)

Severity

Critical

Classification

CVE-2023-3545 CWE-178 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Tags

Missing Update Known Vulnerabilities