Cisco Umbrella Enterprise Roaming Client Privilege Escalation Vulnerability

A vulnerability in the Cisco Umbrella Enterprise Roaming Client (ERC) could allow an authenticated, local attacker to elevate privileges to Administrator. To exploit the vulnerability, the attacker must authenticate with valid local user credentials. This vulnerability is due to improper implementation of file system permissions, which could allow non-administrative users to place files within restricted directories. An attacker could exploit this vulnerability by placing an executable file within the restricted directory, which when executed by the ERC client, would run with Administrator privileges.

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输入验证不恰当

Cisco Umbrella Enterprise Roaming Client 输入验证漏洞

Cisco Umbrella Enterprise Roaming Client（ERC）是美国思科（Cisco）公司的一款防火墙安全客户端。 Cisco Umbrella ERC 2.1.127之前版本中存在输入验证漏洞，该漏洞源于程序没有正确的实现文件系统权限，非管理员用户可将文件放入受限制的目录。本地攻击者可利用该漏洞将权限提升为管理员权限。

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