漏洞信息
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Vulnerability Title
Spacebar Server Missing Authorization via Group DM Recipient Endpoint
Vulnerability Description
Spacebar Server before commit dcfd910 contains a missing authorization vulnerability that allows any authenticated attacker to add themselves to arbitrary group DM channels by sending a PUT request to the channels recipient endpoint without membership verification. Attackers can exploit the unguarded PUT /channels/{channel_id}/recipients/{user_id} handler to join private group DMs, read complete message history, post messages as a participant, and force-add third-party users without their consent.
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
Vulnerability Type
授权机制缺失
Vulnerability Title
Spacebar Server 授权问题漏洞
Vulnerability Description
Spacebar Server是Spacebar团队的一款硬件服务器。 Spacebar Server dcfd910之前版本存在授权问题漏洞,该漏洞源于/channels/{channel_id}/recipients/{user_id}接口缺少授权验证且未验证成员资格,可能导致已认证攻击者加入私人群组DM、读取完整消息历史、以参与者身份发布消息并强制添加第三方用户。
CVSS Information
N/A
Vulnerability Type
N/A