Unrated severityNVD Advisory· Published Jan 8, 2000· Updated Jun 16, 2026
CVE-2000-1221
CVE-2000-1221
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
31cpe:2.3:o:redhat:linux:4.1:*:*:*:*:*:*:*+ 5 more
- cpe:2.3:o:redhat:linux:4.1:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:linux:4.2:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:linux:5.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:linux:5.2:*:i386:*:*:*:*:*
- cpe:2.3:o:redhat:linux:6.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:linux:6.1:*:i386:*:*:*:*:*
cpe:2.3:o:sgi:irix:6.5.10:*:*:*:*:*:*:*+ 23 more
- cpe:2.3:o:sgi:irix:6.5.10:*:*:*:*:*:*:*
- cpe:2.3:o:sgi:irix:6.5.11:*:*:*:*:*:*:*
- cpe:2.3:o:sgi:irix:6.5.12:*:*:*:*:*:*:*
- cpe:2.3:o:sgi:irix:6.5.13:*:*:*:*:*:*:*
- cpe:2.3:o:sgi:irix:6.5.14f:*:*:*:*:*:*:*
- cpe:2.3:o:sgi:irix:6.5.14m:*:*:*:*:*:*:*
- cpe:2.3:o:sgi:irix:6.5.15f:*:*:*:*:*:*:*
- cpe:2.3:o:sgi:irix:6.5.15m:*:*:*:*:*:*:*
- cpe:2.3:o:sgi:irix:6.5.16f:*:*:*:*:*:*:*
- cpe:2.3:o:sgi:irix:6.5.16m:*:*:*:*:*:*:*
- cpe:2.3:o:sgi:irix:6.5.17f:*:*:*:*:*:*:*
- cpe:2.3:o:sgi:irix:6.5.17m:*:*:*:*:*:*:*
- cpe:2.3:o:sgi:irix:6.5.18f:*:*:*:*:*:*:*
- cpe:2.3:o:sgi:irix:6.5.18m:*:*:*:*:*:*:*
- cpe:2.3:o:sgi:irix:6.5.1:*:*:*:*:*:*:*
- cpe:2.3:o:sgi:irix:6.5.2:*:*:*:*:*:*:*
- cpe:2.3:o:sgi:irix:6.5.3:*:*:*:*:*:*:*
- cpe:2.3:o:sgi:irix:6.5.4:*:*:*:*:*:*:*
- cpe:2.3:o:sgi:irix:6.5.5:*:*:*:*:*:*:*
- cpe:2.3:o:sgi:irix:6.5.6:*:*:*:*:*:*:*
- cpe:2.3:o:sgi:irix:6.5.7:*:*:*:*:*:*:*
- cpe:2.3:o:sgi:irix:6.5.8:*:*:*:*:*:*:*
- cpe:2.3:o:sgi:irix:6.5.9:*:*:*:*:*:*:*
- cpe:2.3:o:sgi:irix:6.5:*:*:*:*:*:*:*
Patches
Vulnerability mechanics
References
8- patches.sgi.com/support/free/security/advisories/20021104-01-PnvdPatch
- www.debian.org/security/2000/20000109nvdPatch
- www.kb.cert.org/vuls/id/30308nvdUS Government Resource
- rhn.redhat.com/errata/RHSA-2000-002.htmlnvd
- www.atstake.com/research/advisories/2000/lpd_advisory.txtnvd
- www.l0pht.com/advisories/lpd_advisorynvd
- www.securityfocus.com/bid/927nvd
- exchange.xforce.ibmcloud.com/vulnerabilities/3840nvd
News mentions
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