CVE-2000-1221 Information

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.

Reference

ftp://patches.sgi.com/support/free/security/advisories/20021104-01-P http://rhn.redhat.com/errata/RHSA-2000-002.html http://www.atstake.com/research/advisories/2000/lpd_advisory.txt http://www.debian.org/security/2000/20000109 http://www.kb.cert.org/vuls/id/30308 http://www.l0pht.com/advisories/lpd_advisory http://www.securityfocus.com/bid/927 https://exchange.xforce.ibmcloud.com/vulnerabilities/3840