Last active
December 7, 2021 12:08
-
-
Save andrey-lomtev/4ec9004101152ea9d0043a09d59498a6 to your computer and use it in GitHub Desktop.
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
CVE-2021-37934 | |
------------------------------------------ | |
Insufficient server-side login-attempt limit | |
------------------------------------------ | |
[Suggested description] | |
Due to insufficient server-side login-attempt limit enforcement, a vulnerability in /account/login in Huntflow Enterprise before 3.10.14 could allow an unauthenticated, remote user to perform multiple login attempts for brute-force password guessing. | |
------------------------------------------ | |
[Additional Information] | |
Example login request to /account/login: | |
POST /account/login HTTP/1.1 | |
Host: hf.mydomain | |
Connection: close | |
Content-Length: 98 | |
Cache-Control: max-age=0 | |
Upgrade-Insecure-Requests: 1 | |
Origin: https://hf.mydomain | |
Content-Type: application/x-www-form-urlencoded | |
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/90.0.4430.85 Safari/537.36 | |
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.9 | |
Referer: https://hf.mydomain/account/login | |
Accept-Encoding: gzip, deflate | |
Accept-Language: ru-RU,ru;q=0.9,en-US;q=0.8,en;q=0.7 | |
Cookie: lang=ru_RU; _xsrf=2|b65eb986|309cc18c34ff994a04ca856397c5f300|1619468100; token=5kafeoqj6vk2tb3mmx31wyl8zvc1ti7mtfpkretj2k38qgdaddl5wl07yz0tjiwm; | |
_xsrf=2%7Cb65eb986%7C309cc18c34ff994a04ca856397c5f300%7C1619468100&email=user123&password=p@ssw0rd | |
There is no any server-side login-attempt limit and attacker can perform multiple login attempts for brute-force password guessing. | |
------------------------------------------ | |
[VulnerabilityType Other] | |
CWE-307: Improper Restriction of Excessive Authentication Attempts | |
------------------------------------------ | |
[Vendor of Product] | |
Huntflow | |
------------------------------------------ | |
[Affected Product Code Base] | |
Huntflow Enterprise - Affected < 3.10.14. Fixed at 3.10.14. Tested at 3.6.1 | |
------------------------------------------ | |
[Affected Component] | |
"/account/login" HTTP method | |
------------------------------------------ | |
[Attack Type] | |
Remote - unauthenticated users | |
------------------------------------------ | |
[CVE Impact] | |
Brute-force password attacks | |
------------------------------------------ | |
[Attack Vectors] | |
To exploit send multiple login attempts to the Huntflow Enterprise "/account/login" HTTP method | |
------------------------------------------ | |
[Reference] | |
https://huntflow.ru | |
https://gist.github.com/andrey-lomtev/4ec9004101152ea9d0043a09d59498a6 | |
------------------------------------------ | |
[Has vendor confirmed or acknowledged the vulnerability?] | |
true | |
------------------------------------------ | |
[Discoverer] | |
Andrey Lomtev | |
------------------------------------------ | |
Andrey Lomtev / Infosec.ru team |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment