CVE:CVE-2015-2696
CNNVD:CNNVD-201511-133
MIT Kerberos 5（又名krb5）是美国麻省理工学院（MIT）开发的一套网络认证协议，它采用客户端/服务器结构，并且客户端和服务器端均可对对方进行身份认证（即双重验证），可防止窃听、防止replay攻击等。
MIT Kerberos 5 1.13.2及之前版本的lib/gssapi/krb5/iakerb.c文件中存在安全漏洞，该漏洞源于程序依赖不适当的上下文处理。远程攻击者可借助特制的IAKERB数据包利用该漏洞造成拒绝服务（不正确的指针读取和进程崩溃）。
solution:Upgrade mit kerberos_5 to a higher version than 1.14,and avoid the version (,1.14); Upgrade opensuse leap to a higher version than 42.1,and avoid the version 42.1; Upgrade opensuse opensuse to a higher version than 13.1,13.2,and avoid the version 13.1,13.2; Upgrade suse linux_enterprise_desktop to a higher version than 12,and avoid the version 12; Upgrade suse linux_enterprise_server to a higher version than 12,and avoid the version 12; Upgrade suse linux_enterprise_software_development_kit to a higher version than 12,and avoid the version 12; Upgrade debian debian_linux to a higher version than 7.0,8.0,9.0,and avoid the version 7.0,8.0,9.0; Upgrade canonical ubuntu_linux to a higher version than 12.04,14.04,15.04,15.10,and avoid the version 12.04,14.04,15.04,15.10