CVE-2022-24750— Low privilege user is able to exploit the service and gain SYSTEM privileges in UltraVNC server
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I. Basic Information for CVE-2022-24750
Vulnerability Information
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Vulnerability Title
Low privilege user is able to exploit the service and gain SYSTEM privileges in UltraVNC server
Source: NVD (National Vulnerability Database)
Vulnerability Description
UltraVNC is a free and open source remote pc access software. A vulnerability has been found in versions prior to 1.3.8.0 in which the DSM plugin module, which allows a local authenticated user to achieve local privilege escalation (LPE) on a vulnerable system. The vulnerability has been fixed to allow loading of plugins from the installed directory. Affected users should upgrade their UltraVNC to 1.3.8.1. Users unable to upgrade should not install and run UltraVNC server as a service. It is advisable to create a scheduled task on a low privilege account to launch WinVNC.exe instead. There are no known workarounds if winvnc needs to be started as a service.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
特权管理不恰当
Source: NVD (National Vulnerability Database)
Vulnerability Title
UltraVNC 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
UltraVNC是一款用于Windows平台的开源远程终端控制软件。 UltraVNC 1.3.8.0 之前的版本的 DSM 插件存在安全漏洞。允许本地经过身份验证的用户在易受攻击的系统上实现本地权限提升 (LPE)。
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
II. Public POCs for CVE-2022-24750
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IV. Related Vulnerabilities
Same weakness: CWE-269
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Local privilege escalation vulnerability in ZTE PROCESS Guar
V. Comments for CVE-2022-24750
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