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CVE-2023-4936— Synaptics-DisplayLink-privilege escalation vulnerability via a dynamic library sideloading

Quick assessment

Affected
Synaptics DisplayLink USB Graphics Software for Windows
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.

Synaptics DisplayLink Graphics是美国Synaptics公司的一款图形技术。可以轻松地将任何显示器连接到任何支持 USB 或 Wi-Fi 的计算机。 Synaptics DisplayLink Graphics 11.1 M1及之前版本存在安全漏洞，该漏洞源于安装过程中存在权限提升漏洞。

CVSS 5.5 · Medium EPSS 0.21% · P12
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I. Basic Information for CVE-2023-4936

Vulnerability Information
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Vulnerability Title
Synaptics-DisplayLink-privilege escalation vulnerability via a dynamic library sideloading
Source: CVE Program / CVE List V5
Vulnerability Description
It is possible to sideload a compromised DLL during the installation at elevated privilege.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:L/I:H/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
特权管理不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Synaptics DisplayLink Graphics 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Synaptics DisplayLink Graphics是美国Synaptics公司的一款图形技术。可以轻松地将任何显示器连接到任何支持 USB 或 Wi-Fi 的计算机。 Synaptics DisplayLink Graphics 11.1 M1及之前版本存在安全漏洞，该漏洞源于安装过程中存在权限提升漏洞。
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
Synaptics DisplayLink USB Graphics Software for Windows 0 ~ 11.1 M1 -

II. Public POCs for CVE-2023-4936

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III. Intelligence Information for CVE-2023-4936

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Other References for CVE-2023-4936 (3)

IV. Related Vulnerabilities

Same vendor: Synaptics
Same weakness: CWE-269

V. Comments for CVE-2023-4936

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