Unrated severityNVD Advisory· Published Apr 30, 2021· Updated Aug 3, 2024
CVE-2021-31933
CVE-2021-31933
Description
A remote code execution vulnerability exists in Chamilo through 1.11.14 due to improper input sanitization of a parameter used for file uploads, and improper file-extension filtering for certain filenames (e.g., .phar or .pht). A remote authenticated administrator is able to upload a file containing arbitrary PHP code into specific directories via main/inc/lib/fileUpload.lib.php directory traversal to achieve PHP code execution.
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Affected products
2- Chamilo/Chamilodescription
- Range: <=1.11.14
Patches
Vulnerability mechanics
References
4- packetstormsecurity.com/files/162572/Chamilo-LMS-1.11.14-Remote-Code-Execution.htmlmitrex_refsource_MISC
- github.com/chamilo/chamilo-lms/commit/229302139e8d23bf6862183cf219b967f6e2fbc1mitrex_refsource_MISC
- github.com/chamilo/chamilo-lms/commit/f65d065061a77bb2e84f73217079ce3998cf3453mitrex_refsource_MISC
- support.chamilo.org/projects/1/wiki/Security_issuesmitrex_refsource_MISC
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