HIGH · 10.0

CVE-2000-1221

The line printer daemon (lpd) in the lpr package in multiple Linux operating systems authenticates by comparing the reverse-resolved hostname of the local machine to the hostname of the print server a...

Vulnerability Description

The line printer daemon (lpd) in the lpr package in multiple Linux operating systems authenticates by comparing the reverse-resolved hostname of the local machine to the hostname of the print server as returned by gethostname, which allows remote attackers to bypass intended access controls by modifying the DNS for the attacking IP.

CVSS Score

10.0

HIGH

AV:N/AC:L/Au:N/C:C/I:C/A:C
Confidentiality
COMPLETE
Integrity
COMPLETE
Availability
COMPLETE

Affected Products

VendorProductVersions
SgiIrix6.5
DebianDebian Linux2.1
RedhatLinux4.1

References

FAQ

What is CVE-2000-1221?

CVE-2000-1221 is a vulnerability with a CVSS score of 10.0 (HIGH). The line printer daemon (lpd) in the lpr package in multiple Linux operating systems authenticates by comparing the reverse-resolved hostname of the local machine to the hostname of the print server a...

How severe is CVE-2000-1221?

CVE-2000-1221 has been rated HIGH with a CVSS base score of 10.0/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2000-1221?

Check the references section above for vendor advisories and patch information. Affected products include: Sgi Irix, Debian Debian Linux, Redhat Linux.