Vulnerability Information
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Vulnerability Title
Remote username set to an arbitrary string by remote user
Vulnerability Description
Mattermost versions 9.9.x <= 9.9.0, 9.5.x <= 9.5.6, 9.7.x <= 9.7.5, 9.8.x <= 9.8.1 fail to disallow users to set their own remote username, when shared channels were enabled, which allows a user on a remote to set their remote username prop to an arbitrary string, which would be then synced to the local server as long as the user hadn't been synced before.
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Vulnerability Type
访问控制不恰当
Vulnerability Title
Mattermost 安全漏洞
Vulnerability Description
Mattermost是美国Mattermost公司的一个开源协作平台。 Mattermost 存在安全漏洞，该漏洞源于当共享频道启用时，无法禁止用户设置自己的远程用户名，这允许远程用户将其远程用户名属性设置为任意字符串，只要用户之前未同步过，该字符串就会同步到本地服务器。
CVSS Information
N/A
Vulnerability Type
N/A