漏洞信息
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Vulnerability Title
Pterodactyl Wings SFTP write path does not enforce disk quota, allowing node-wide disk exhaustion
Vulnerability Description
Wings is the server control plane for the Pterodactyl game-server management panel. In versions up to and including 1.13.2, the SFTP write path does not enforce a server's disk quota during a transfer, allowing a tenant with SFTP write access to a single server to exhaust the host node's physical disk and take down every server on it. Wings checks available space only once, as a boolean, when the write handle is opened, using a stale cached usage value and without knowing the size of the incoming data, and it then returns a raw, unaccounted file handle that is never re-checked as the transfer proceeds. A single upload can therefore be written without bound, far beyond the configured disk limit, until the node's disk is full, and because a server stopped for exceeding its limit is not treated as suspended, SFTP writes are still accepted even after the quota is already exceeded. This issue is fixed in version 1.13.3.
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
Vulnerability Type
不加限制或调节的资源分配
Vulnerability Title
Pterodactyl Wings 资源管理错误漏洞
Vulnerability Description
Pterodactyl Wings是Pterodactyl组织开源的一个服务器控制界面。 Pterodactyl Wings 1.13.2及之前版本存在安全漏洞,该漏洞源于SFTP写入路径未正确执行磁盘配额限制,可能导致具有SFTP写入权限的租户无限写入数据,耗尽主机节点的物理磁盘,造成拒绝服务。
CVSS Information
N/A
Vulnerability Type
N/A