CVE-2024-51749— Element's thumbnails can be abused to misrepresent the content of an attachment
Quick assessment
Affected
element-hq element-web
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.
Element是Element开源的一个 Matrix 网络协作客户端。 Element 1.11.85之前版本存在安全漏洞，该漏洞源于没有检查附件、贴纸和图片的缩略图是否连贯。
Possible ATT&CK Techniques 2 AI
T1059 · Command and Scripting Interpreter T1083 · File and Directory Discovery
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I. Basic Information for CVE-2024-51749
Vulnerability Information
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Vulnerability Title
Element's thumbnails can be abused to misrepresent the content of an attachment
Source: CVE Program / CVE List V5
Vulnerability Description
Element is a Matrix web client built using the Matrix React SDK. Versions of Element Web and Desktop earlier than 1.11.85 do not check if thumbnails for attachments, stickers and images are coherent. It is possible to add thumbnails to events trigger a file download once clicked. Fixed in element-web 1.11.85.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
关键信息的UI错误表达
Source: CVE Program / CVE List V5
Vulnerability Title
Element 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Element是Element开源的一个 Matrix 网络协作客户端。 Element 1.11.85之前版本存在安全漏洞，该漏洞源于没有检查附件、贴纸和图片的缩略图是否连贯。
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 |
|---|---|---|---|---|
| element-hq | element-web | < 1.11.85 | - |
|
II. Public POCs for CVE-2024-51749
| # | POC Description | Source Link | Shenlong Link |
|---|
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Patches & Fixes for CVE-2024-51749 (1)
-
Merge commit from fork · element-hq/element-web@a00c343 · GitHub x_refsource_MISC
IV. Related Vulnerabilities
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V. Comments for CVE-2024-51749
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