漏洞信息
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Vulnerability Title
SeaweedFS: SFTP path ACL literal prefix match permits cross-tenant file read and overwrite
Vulnerability Description
SeaweedFS is a distributed storage system for files and blobs. In versions from 3.88 through 4.39, the SFTP server evaluates configured path permissions with a literal string-prefix comparison, so a user scoped to a path is also granted the same access to any sibling path whose name merely begins with the same characters. A user granted access to /tenants/alice therefore also matches /tenants/alice-archive, /tenants/alice2, and similar siblings, because the check does not require a path-component boundary. An authenticated low-privilege SFTP user with a root home directory and narrow path permissions can thereby cross the configured ACL boundary to read another tenant's files, and to overwrite them if granted write, all through the documented SFTP service with its own valid credentials. This issue is fixed in version 4.40.
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
Vulnerability Type
授权机制不正确
Vulnerability Title
SeaweedFS 授权问题漏洞
Vulnerability Description
SeaweedFS是SeaweedFS团队开源的一款分布式网络存储文件系统。 SeaweedFS 3.88版本至4.39版本存在授权问题漏洞,该漏洞源于SFTP服务器在检查路径权限时仅进行字符串前缀比较,未检查路径组件边界,可能导致低权限SFTP用户越权读取或覆盖其他租户文件。
CVSS Information
N/A
Vulnerability Type
N/A