Comments (4)
The conditional statement starting on line 97 is the root source of the issue. It's possible for both conditions (lines 97 and 99) to evaluate to false. There's a third condition that can occur that doesn't seem to be accounted for. Setting an error for this third condition should remedy the issue.
Stronger input validation for these form elements is also highly recommended.
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Researching the issue further, this issue appears to have already been identified as the TOCTOU Remote Password Reset vulnerability. Metasploit module exploit/linux/http/atutor_filemanager_traversal exploits it. Not sure why, but no CVE has ever been reported for it. I'm not sure why this isn't being listed as an active issue. This seems to have been an issue since at least 2.2.1.
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ATutor is no longer maintained. You are welcome to submit a pull request with a fix.
from atutor.
Issue was designated as CVE-2021-43498 by MITRE.
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