CVE-2024-39772— Silent Desktop Screenshot Capture
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 Desktop App是美国Mattermost公司的一款消息传递桌面版应用程序。 Mattermost Desktop App 5.8.0版本及之前版本存在安全漏洞，该漏洞源于未能保护屏幕捕获功能。攻击者利用该漏洞可以通过 JavaScript API 悄悄捕获高质量的屏幕截图。
Possible ATT&CK Techniques 1 AI
T1113 · Screen Capture
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I. Basic Information for CVE-2024-39772
Vulnerability Information
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Vulnerability Title
Silent Desktop Screenshot Capture
Source: CVE Program / CVE List V5
Vulnerability Description
Mattermost Desktop App versions <=5.8.0 fail to safeguard screen capture functionality which allows an attacker to silently capture high-quality screenshots via JavaScript APIs.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/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 Desktop App 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Mattermost Desktop App是美国Mattermost公司的一款消息传递桌面版应用程序。 Mattermost Desktop App 5.8.0版本及之前版本存在安全漏洞，该漏洞源于未能保护屏幕捕获功能。攻击者利用该漏洞可以通过 JavaScript API 悄悄捕获高质量的屏幕截图。
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 ~ 5.8.0 | - |
|
II. Public POCs for CVE-2024-39772
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · Mattermost · 2024-09-16 · 4 CVEs total
| CVE-2024-39613 | 5.3 MEDIUM | RCE in desktop app in Windows by local attacker |
| CVE-2024-45833 | 4.5 MEDIUM | Mobile password gets saved in dictionary under conditions |
| CVE-2024-45835 | 2.5 LOW | Insufficient Electron Fuses Configuration |
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Same vendor: Mattermost
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CVE-2026-96260
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Same weakness: CWE-284
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V. Comments for CVE-2024-39772
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