漏洞信息
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Vulnerability Title
BookStack < 26.05.4 Broken Access Control via Image Gallery API
Vulnerability Description
BookStack before 26.05.4 contains a broken access control vulnerability that allows authenticated API users with image-update or image-delete permissions to manipulate other users' avatars by exploiting missing content-type restrictions in the Image Gallery API endpoints. Attackers can supply a user avatar's ID to the API controller, which loads any image type without the web controller's gallery and drawio restrictions, and when the avatar's uploaded_to field matches a page ID accessible to the attacker, the authorization check passes allowing the attacker to rename, replace, or delete the target user's avatar without requiring user-management permission.
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L
Vulnerability Type
授权机制不正确
Vulnerability Title
Bookstackapp BookStack 授权问题漏洞
Vulnerability Description
Bookstackapp BookStack是Bookstackapp团队开源的一款文档管理系统。 Bookstackapp BookStack 26.05.4之前版本存在授权问题漏洞,该漏洞源于Image Gallery API端点缺少内容类型限制,导致访问控制失效,可能允许具有图像更新或删除权限的已认证API用户重命名、替换或删除其他用户的头像,而无需用户管理权限。
CVSS Information
N/A
Vulnerability Type
N/A