Vulnerability Information
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Vulnerability Title
Malicious remote can invite itself to an arbitrary local channel
Vulnerability Description
Mattermost versions 9.9.x <= 9.9.0, 9.5.x <= 9.5.6, 9.7.x <= 9.7.5 and 9.8.x <= 9.8.1 fail to disallow unsolicited invites to expose access to local channels, when shared channels are enabled, which allows a malicious remote to send an invite with the ID of an existing local channel, and that local channel will then become shared without the consent of the local admin.
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/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，该漏洞源于共享频道启用时未能禁止未经请求的邀请公开对本地频道的访问权限，这允许恶意远程人员发送带有现有本地频道 ID 的邀请，然后该本地频道将在未经本地管理员同意的情况下共享。
CVSS Information
N/A
Vulnerability Type
N/A