CVE-2021-4119

描述

BookStack prior to version 21.11.3 is vulnerable to Improper Access Control. A logged-in user with no privileges OR guest user (if public access enabled) can access the /search/users/select AJAX endpoint meant for admins to manage audit logs, to dump all usernames existing in the Bookstack database. This can also be used to harvest email belonging to a user because BookStack also uses the code where(`email`, `like`, `%` . $search . `%`) to search for users based on email.

受影響套件(1)

• Packagist/ssddanbrown/bookstackfrom 0, < 21.11.3

CVSS 分數

參考連結(5)

• ADVISORYhttps://nvd.nist.gov/vuln/detail/CVE-2021-4119
• PATCHhttps://github.com/bookstackapp/bookstack
• WEBhttps://github.com/bookstackapp/bookstack/commit/e765e618547c92f4e0b46caca6fb91f0174efd99
• WEBhttps://github.com/BookStackApp/BookStack/releases/tag/v21.11.3
• WEBhttps://huntr.dev/bounties/135f2d7d-ab0b-4351-99b9-889efac46fca