The cURL wrapper in Moodle retained the original request headers when following redirects, so HTTP authorization header information could be unintentionally sent in requests to redirect URLs.
The product releases a resource such as memory or a file so that it can be made available for reuse, but it does not clear or "zeroize" the information contained in the resource before the product performs a critical state transition or makes the resource available for reuse by other entities.
The product does not properly "clean up" and remove temporary or supporting resources after they have been used.
| Link | Tags |
|---|---|
| https://moodle.org/mod/forum/discuss.php?d=459500 | vendor advisory |