CVE-2024-11717

Description

Tokens in CTFd used for account activation and password resetting can be used interchangeably for these operations. When used, they are sent to the server as a GET parameter and they are not single use, which means, that during token expiration time an on-path attacker might reuse such a token to change user's password and take over the account. Moreover, the tokens also include base64 encoded user email. This issue impacts releases up to 3.7.4 and was addressed by pull request 2679 https://github.com/CTFd/CTFd/pull/2679 included in 3.7.5 release.

Weakness Type (CWE)

CWE-837 CWE-837

CWE-1391 CWE-1391

References

Other References

https://blog.ctfd.io/ctfd-3-7-5/ https://cert.pl/en/posts/2025/01/CVE-2024-11716 https://ctfd.io/ https://github.com/CTFd/CTFd/pull/2679 https://seclists.org/fulldisclosure/2024/Dec/21 http://seclists.org/fulldisclosure/2024/Dec/21 https://seclists.org/fulldisclosure/2024/Dec/21

Frequently Asked Questions

What is CVE-2024-11717? +

Tokens in CTFd used for account activation and password resetting can be used interchangeably for these operations. When used, they are sent to the server as a GET parameter and they are not single use, which means, that during token expiration time an on-path attacker might reuse such a token to change user's password and take over the account. Moreover, the tokens also include base64 encoded user email. This issue impacts releases up to 3.7.4 and was addressed by pull request 2679 https://github.com/CTFd/CTFd/pull/2679 included in 3.7.5 release.

How do I check if I'm vulnerable to CVE-2024-11717? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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