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PrivateVPN 2.0.31 for macOS suffers from a root privilege escalation vulnerability with its com.privat.vpn.helper privileged helper tool. This privileged helper tool implements an XPC service that allows arbitrary installed applications to connect and send messages. The XPC service extracts the config string from the corresponding XPC message. This string is supposed to point to an internal OpenVPN configuration file. If a new connection has not already been established, an attacker can send the XPC service a malicious XPC message with the config string pointing at an OpenVPN configuration file that he or she controls. In the configuration file, an attacker can specify a dynamic library plugin that should run for every new VPN connection. This plugin will execute code in the context of the root user.

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PrivateVPN for macOS 权限许可和访问控制问题漏洞

PrivateVPN for macOS是一款基于macOS平台的VPN软件，用于匿名访问互联网。 基于macOS平台的PrivateVPN 2.0.31版本中存在提权漏洞。攻击者可通过向XPC服务发送带有配置字符串并指向OpenVPN配置文件的XPC消息利用该漏洞在root用户的上下文中执行代码。

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