CVE:CVE-2012-5689
CNNVD:CNNVD-201301-514
ISC BIND是美国Internet Systems Consortium（ISC）公司所维护的一套实现了DNS协议的开源软件。
ISC BIND 9.8.x至9.8.4-P1版本和9.9.x至9.9.2-P1版本中存在漏洞，该漏洞源于在某些配置中所使用的DNS64的响应政策区缺少AAAA重写规则。通过查询AAA记录，远程攻击者利用该漏洞导致拒绝服务（断言失败和命名守护进程退出）。
solution:Upgrade isc bind to a higher version than 9.9.0,9.9.0:a1,9.9.0:a2,9.9.0:a3,9.9.0:b1,9.9.0:b2,9.9.0:rc1,9.9.0:rc2,9.9.0:rc3,9.9.0:rc4,9.9.1,9.9.1:p1,9.9.1:p2,9.9.2,9.8.0,9.8.0:a1,9.8.0:b1,9.8.0:p1,9.8.0:p2,9.8.0:p4,9.8.0:rc1,9.8.1,9.8.1:b1,9.8.1:b2,9.8.1:b3,9.8.1:p1,9.8.1:rc1,9.8.2:b1,9.8.2:rc1,9.8.2:rc2,9.8.3,9.8.3:p1,9.8.3:p2,9.8.4,and avoid the version 9.9.0,9.9.0:a1,9.9.0:a2,9.9.0:a3,9.9.0:b1,9.9.0:b2,9.9.0:rc1,9.9.0:rc2,9.9.0:rc3,9.9.0:rc4,9.9.1,9.9.1:p1,9.9.1:p2,9.9.2,9.8.0,9.8.0:a1,9.8.0:b1,9.8.0:p1,9.8.0:p2,9.8.0:p4,9.8.0:rc1,9.8.1,9.8.1:b1,9.8.1:b2,9.8.1:b3,9.8.1:p1,9.8.1:rc1,9.8.2:b1,9.8.2:rc1,9.8.2:rc2,9.8.3,9.8.3:p1,9.8.3:p2,9.8.4; Upgrade redhat enterprise_linux_desktop to a higher version than 6.0,and avoid the version 6.0; Upgrade redhat enterprise_linux_hpc_node to a higher version than 6.0,and avoid the version 6.0; Upgrade redhat enterprise_linux_server to a higher version than 6.0,and avoid the version 6.0; Upgrade redhat enterprise_linux_server_aus to a higher version than 6.4,and avoid the version 6.4; Upgrade redhat enterprise_linux_server_eus to a higher version than 6.4.z,and avoid the version 6.4.z; Upgrade redhat enterprise_linux_workstation to a higher version than 6.0,and avoid the version 6.0; Upgrade canonical ubuntu_linux to a higher version than 12.04,14.04,15.04,and avoid the version 12.04,14.04,15.04