Vulnerability Information
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Vulnerability Title
N/A
Vulnerability Description
ISC BIND 9 through 9.5.0a5 uses a weak random number generator during generation of DNS query ids when answering resolver questions or sending NOTIFY messages to slave name servers, which makes it easier for remote attackers to guess the next query id and perform DNS cache poisoning.
CVSS Information
N/A
Vulnerability Type
N/A
Vulnerability Title
ISC BIND可预测DNS查询ID漏洞
Vulnerability Description
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。 BIND 9事件ID的生成算法实现上存在漏洞，远程攻击者可能利用此漏洞影响DNS的缓存。 BIND 9的事件ID是非随机的，攻击者只需观察ID的最后几个值就可以预测下一个ID值。如果要执行这种攻击，攻击者要创建拥有特制权威DNS服务器的域，然后通过各种方法强制缓存DNS服务器向其DNS服务器发送几个DNS请求，这样就可以收集一些事件ID的值。 其中的一种攻击技术是要求最后的事
CVSS Information
N/A
Vulnerability Type
N/A