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CVE-2024-32939— Email addresses of remote users visible in props regardless of server settings

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 9.9.x版本至9.9.1版本、9.5.x版本至9.5.7版本、9.10.x版本至9.10.0版本、9.8.x版本至9.8.2版本存在安全漏洞，该漏洞源于当启用共享频道时，当电子邮件地址配置为在本地服务器中不可见时，无法编辑存储在用户属性中的远程用户的原始电子邮件地址。

CVSS 4.3 · Medium EPSS 0.22% · P12

Possible ATT&CK Techniques 1 AI

T1115 · Clipboard Data
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I. Basic Information for CVE-2024-32939

Vulnerability Information
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Vulnerability Title
Email addresses of remote users visible in props regardless of server settings
Source: CVE Program / CVE List V5
Vulnerability Description
Mattermost versions 9.9.x <= 9.9.1, 9.5.x <= 9.5.7, 9.10.x <= 9.10.0, 9.8.x <= 9.8.2, when shared channels are enabled, fail to redact remote users' original email addresses stored in user props when email addresses are otherwise configured not to be visible in the local server."
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
访问控制不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Mattermost 安全漏洞
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 9.9.x版本至9.9.1版本、9.5.x版本至9.5.7版本、9.10.x版本至9.10.0版本、9.8.x版本至9.8.2版本存在安全漏洞，该漏洞源于当启用共享频道时，当电子邮件地址配置为在本地服务器中不可见时，无法编辑存储在用户属性中的远程用户的原始电子邮件地址。
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 9.9.0 ~ 9.9.1 -

II. Public POCs for CVE-2024-32939

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III. Intelligence Information for CVE-2024-32939

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Same Patch Batch · Mattermost · 2024-08-22 · 10 CVEs total

CVE-2024-42497 6.0 MEDIUM Insufficient permissions checks on teams
CVE-2024-42411 5.3 MEDIUM User creation date manipulation in POST /api/v4/users
CVE-2024-39810 4.9 MEDIUM Server crash via Elasticsearch certificate file
CVE-2024-39836 4.8 MEDIUM Munged email address used for password resets and notifications
CVE-2024-8071 4.7 MEDIUM System Role with edit access to permissions can elevate themselves to system admin
CVE-2024-40886 4.6 MEDIUM One-click Client-Side Path Traversal Leading to CSRF in User Management admin page
CVE-2024-43813 4.3 MEDIUM IDOR when marking read a user's channel
CVE-2024-43780 4.3 MEDIUM Unauthorized channel file upload
CVE-2024-40884 2.7 LOW Unauthorized disabling of invite URL

IV. Related Vulnerabilities

Same product: Mattermost
Same vendor: Mattermost
Same weakness: CWE-284

V. Comments for CVE-2024-32939

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