Vulnerability Information
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Vulnerability Title
Lack of permission check when updating the profile picture of a remote user (shared channels enabled)
Vulnerability Description
Mattermost versions 9.5.x <= 9.5.5 and 9.8.0, when using shared channels with multiple remote servers connected, fail to check that the remote server A requesting the server B to update the profile picture of a user is the remote that actually has the user as a local one . This allows a malicious remote A to change the profile images of users that belong to another remote server C that is connected to the server A.
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/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 9.5.5及之前的9.5.x版本和9.8.0版本存在安全漏洞，该漏洞源于在连接多个远程服务器的共享通道时，缺少用户身份验证。
CVSS Information
N/A
Vulnerability Type
N/A