CVE-2021-43617: Unrestricted Upload of File with Dangerous Type
(updated )
Laravel Framework does not sufficiently block the upload of executable PHP content because Illuminate/Validation/Concerns/ValidatesAttributes.php lacks a check for .phar files, which are handled as application/x-httpd-php on systems based on Debian. Note, this CVE Record is for Laravel Framework, and is unrelated to any reports concerning incorrectly written user applications for image upload.
References
- github.com/laravel/framework/blob/2049de73aa099a113a287587df4cc522c90961f5/src/Illuminate/Validation/Concerns/ValidatesAttributes.php
- github.com/laravel/framework/pull/39666
- nvd.nist.gov/vuln/detail/CVE-2021-43617
- salsa.debian.org/php-team/php/-/blob/dc253886b5b2e9bc8d9e36db787abb083a667fd8/debian/php-cgi.conf
- salsa.debian.org/php-team/php/-/commit/dc253886b5b2e9bc8d9e36db787abb083a667fd8
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