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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.

oval:org.mitre.oval:def:9904

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.