Vulnerability Information
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Vulnerability Title
Plex-configured Seerr instances vulnerable to unauthenticated account registration via Jellyfin authentication endpoint
Vulnerability Description
Seerr is an open-source media request and discovery manager for Jellyfin, Plex, and Emby. Starting in version 2.0.0 and prior to version 3.1.0, an authentication guard logic flaw in `POST /api/v1/auth/jellyfin` allows an unauthenticated attacker to register a new Seerr account on any Plex-configured instance by authenticating with an attacker-controlled Jellyfin server. The attacker receives an authenticated session and can immediately use the application with default permissions, including the ability to submit media requests to Radarr/Sonarr. Any Seerr deployment where all three of the following are true may be vulnerable: `settings.main.mediaServerType` is set to `PLEX` (the most common deployment).; `settings.jellyfin.ip` is set to `""` (default, meaning Jellyfin was never configured); and `settings.main.newPlexLogin` is set to `true` (default). Jellyfin-configured and Emby-configured deployments are not affected. Version 3.1.0 of Seerr fixes this issue.
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Vulnerability Type
使用候选路径或通道进行的认证绕过
Vulnerability Title
seerr 安全漏洞
Vulnerability Description
seerr是Seerr Team开源的一个媒体请求和发现管理器。 seerr 2.0.0至3.1.0之前版本存在安全漏洞，该漏洞源于身份验证防护逻辑缺陷，可能导致未经身份验证的攻击者注册新账户并获得默认权限。
CVSS Information
N/A
Vulnerability Type
N/A