CVE-2016-9093

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A version of the SymEvent Driver that shipped with Symantec Endpoint Protection 12.1 RU6 MP6 and earlier fails to properly sanitize logged-in user input. SEP 14.0 and later are not impacted by this issue. A non-admin user would need to be able to save an executable file to disk and then be able to successfully run that file. If properly constructed, the file could access the driver interface and potentially manipulate certain system calls. On all 32-bit systems and in most cases on 64-bit systems, this will result in a denial of service that will crash the system. In very narrow circumstances, and on 64-bit systems only, this could allow the user to run arbitrary code on the local machine with kernel-level privileges. This could result in a non-privileged user gaining privileged access on the local machine.

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Symantec Endpoint Protection SymEvent Driver 权限许可和访问控制漏洞

Symantec Endpoint Protection（SEP）是美国赛门铁克（Symantec）公司的一套防病毒软件。该软件可跨物理和虚拟系统提供安全防护功能。SEP Client是其中的客户端软件。SymEvent Driver是其中的一个系统事件驱动程序。 SEP 12.1 RU6 MP6及之前版本中附带的SymEvent Driver存在安全漏洞，该漏洞源于程序没有正确的过滤用户的输入。攻击者可通过在磁盘上存储并运行可执行性文件利用该漏洞造成拒绝服务（系统崩溃）或可能以内核权限在本地设备上执行任

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