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CVE-2023-2281— Archiving a team broadcasts unsanitized data over WebSockets

Quick assessment

Affected
Mattermost Mattermost
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Mattermost是美国Mattermost公司的一个开源协作平台。 Mattermost存在信息泄露漏洞，该漏洞源于无法清理发送到当前连接客户端的相关Websocket事件。攻击者利用该漏洞可以查看有关存档团队的名称、显示名称、描述和其他数据。

CVSS 3.1 · Low EPSS 0.47% · P40

Possible ATT&CK Techniques 1 AI

T1005 · Data from Local System
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I. Basic Information for CVE-2023-2281

Vulnerability Information
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Vulnerability Title
Archiving a team broadcasts unsanitized data over WebSockets
Source: CVE Program / CVE List V5
Vulnerability Description
When archiving a team, Mattermost fails to sanitize the related Websocket event sent to currently connected clients. This allows the clients to see the name, display name, description, and other data about the archived team.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
信息暴露
Source: CVE Program / CVE List V5
Vulnerability Title
Mattermost 信息泄露漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Mattermost是美国Mattermost公司的一个开源协作平台。 Mattermost存在信息泄露漏洞，该漏洞源于无法清理发送到当前连接客户端的相关Websocket事件。攻击者利用该漏洞可以查看有关存档团队的名称、显示名称、描述和其他数据。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Mattermost Mattermost 0 ~ 7.9 -

II. Public POCs for CVE-2023-2281

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III. Intelligence Information for CVE-2023-2281

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Other References for CVE-2023-2281 (1)

IV. Related Vulnerabilities

Same product: Mattermost
Same vendor: Mattermost
Same weakness: CWE-200

V. Comments for CVE-2023-2281

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