CVE:CVE-2015-1716
CNNVD:CNNVD-201505-156
Microsoft Windows是美国微软（Microsoft）公司发布的一系列操作系统。Microsoft Schannel（全称Secure Channel，安全通道）是其中的一个安全支持提供程序（SSP），它可实现安全套接字层（SSL）和传输层安全（TLS） Internet标准身份验证协议，并提供身份验证服务以便在客户端和服务器之间提供安全的通信。
Microsoft Windows的Schannel中存在信息泄露漏洞，该漏洞源于程序没有正确限制Diffie-Hellman Ephemeral(DFE)密钥长度。远程攻击者可利用该漏洞破坏加密保护机制。以下版本受到影响：Microsoft Windows Server 2003 SP2，Windows Vista SP2， Windows Server 2008 SP2和R2 SP1，Windows 7 SP1，Windows 8，Windows 8.1，Windows Server 2012 Gold和R2，Windows RT Gold和8.1。
solution:Upgrade microsoft windows_7 to a higher version than -:sp1,and avoid the version -:sp1; Upgrade microsoft windows_8 to a higher version than -; Upgrade microsoft windows_8.1 to a higher version than -; Upgrade microsoft windows_rt to a higher version than -; Upgrade microsoft windows_rt_8.1 to a higher version than -; Upgrade microsoft windows_server_2003 to a higher version than -:sp2,and avoid the version -:sp2; Upgrade microsoft windows_server_2008 to a higher version than -:sp2,r2:sp1,and avoid the version -:sp2,r2:sp1; Upgrade microsoft windows_server_2012 to a higher version than -,r2,and avoid the version r2; Upgrade microsoft windows_vista to a higher version than -:sp2,and avoid the version -:sp2