Vulnerability Information
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Vulnerability Title
N/A
Vulnerability Description
Header.pm in Net::DNS before 0.60, a Perl module, (1) generates predictable sequence IDs with a fixed increment and (2) can use the same starting ID for all child processes of a forking server, which allows remote attackers to spoof DNS responses, as originally reported for qpsmtp and spamassassin.
CVSS Information
N/A
Vulnerability Type
N/A
Vulnerability Title
Net::DNS Header.pm可预测ID序列漏洞
Vulnerability Description
Net::DNS是用Perl实现的DNS解析器。 Net::DNS实现上存在漏洞，远程攻击者可能利用此漏洞导致DNS服务器被欺骗或拒绝服务。 在Net::DNS中ID序列是在header.pm中确定的： { my $id = int rand(MAX_ID); sub nextid { return $id++ % (MAX_ID + 1); } } 如果使用了这个模块的话就会设置$id，然后仅是简单的递增，这可能导致两个后果： 1) 序列号可预测，简化了DNS欺骗攻击； 2) 如果在fork服务器中使用
CVSS Information
N/A
Vulnerability Type
N/A