CVE:CVE-2016-4025
CNNVD:CNNVD-201607-368
Avast Internet Security等都是捷克Avast（爱维士）公司的杀毒软件。
多款Avast产品中存在安全漏洞。攻击者可借助DeviceIoControl调用利用该漏洞绕过DeepScreen功能。以下产品和版本受到影响：Avast Internet Security v11.x.x版本，Pro Antivirus v11.x.x版本，Premier v11.x.x版本，Free Antivirus v11.x.x版本，Business Security v11.x.x版本，Endpoint Protection v8.x.x版本，Endpoint Protection Plus v8.x.x版本，Endpoint Protection Suite v8.x.x版本，Endpoint Protection Suite Plus v8.x.x版本，File Server Security v8.x.x版本，Email Server Security v8.x.x版本。
solution:Upgrade avast business_security to a higher version than 11.1.2241,11.1.2245,11.1.2253,11.1.2260,11.1.2261,11.1.2262,and avoid the version 11.1.2241,11.1.2245,11.1.2253,11.1.2260,11.1.2261,11.1.2262; Upgrade avast free_antivirus to a higher version than 11.1.2241,11.1.2245,11.1.2253,11.1.2260,11.1.2261,11.1.2262,and avoid the version 11.1.2241,11.1.2245,11.1.2253,11.1.2260,11.1.2261,11.1.2262; Upgrade avast internet_security to a higher version than 11.1.2241,11.1.2245,11.1.2253,11.1.2260,11.1.2261,11.1.2262,and avoid the version 11.1.2241,11.1.2245,11.1.2253,11.1.2260,11.1.2261,11.1.2262; Upgrade avast premier to a higher version than 11.1.2241,11.1.2245,11.1.2253,11.1.2260,11.1.2261,11.1.2262,and avoid the version 11.1.2241,11.1.2245,11.1.2253,11.1.2260,11.1.2261,11.1.2262; Upgrade avast pro_antivirus to a higher version than 11.1.2241,11.1.2245,11.1.2253,11.1.2260,11.1.2261,11.1.2262,and avoid the version 11.1.2241,11.1.2245,11.1.2253,11.1.2260,11.1.2261,11.1.2262; Upgrade avast email_server_security to a higher version than 8.0.1609,8.0.1606,and avoid the version (,8.0.1609],8.0.1606; Upgrade avast endpoint_protection to a higher version than 8.0.1609,8.0.1606,and avoid the version (,8.0.1609],8.0.1606; Upgrade avast endpoint_protection_plus to a higher version than 8.0.1606,8.0.1609,and avoid the version 8.0.1606,8.0.1609; Upgrade avast endpoint_protection_suite to a higher version than 8.0.1609,8.0.1606,and avoid the version (,8.0.1609],8.0.1606; Upgrade avast endpoint_protection_suite_plus to a higher version than 8.0.1609,8.0.1606,and avoid the version (,8.0.1609],8.0.1606; Upgrade avast file_server_security to a higher version than 8.0.1609,8.0.1606,and avoid the version (,8.0.1609],8.0.1606