Vulnerability CVE-2021-41714
Published: 2022-05-23

Description:
In Tipask < 3.5.9, path parameters entered by the user are not validated when downloading attachments, a registered user can download arbitrary files on the Tipask server such as .env, /etc/passwd, laravel.log, causing infomation leakage.

 References:
https://github.com/sdfsky/tipask/commit/9b5f13d1708e9a5dc0959cb8a97be1c32b94ca69
https://github.com/sdfsky/tipask/blob/c4e6aa9f6017c9664780570016954c0922d203b7/app/Http/Controllers/AttachController.php#L42
https://www.yuque.com/henry-weply/penetration/fza5hm
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