CVE-2000-1221

Summary

CVE-2000-1221 is a vulnerability affecting the line printer daemon (lpd) in the lpr package of multiple Linux operating systems. Instead of verifying the hostname of the print server during the authentication process, lpd compares the reverse-resolved hostname of the local machine, allowing remote attackers to bypass intended access controls by manipulating the DNS records for the attacking IP address. This weakness could potentially grant unauthorized access to printing services, posing a significant security risk.

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