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.

10.0

CVSS

Severity: Critical

CVSS 2.0 •

EPSS 11.76% Top 10%

Vendor Advisory debian.org Vendor Advisory atstake.com Vendor Advisory redhat.com Vendor Advisory sgi.com Vendor Advisory l0pht.com

Affected: n/a n/a

References

Link	Tags
http://www.debian.org/security/2000/20000109	patch vendor advisory
http://www.atstake.com/research/advisories/2000/lpd_advisory.txt	vendor advisory
http://www.securityfocus.com/bid/927	vdb entry
http://rhn.redhat.com/errata/RHSA-2000-002.html	vendor advisory
http://www.kb.cert.org/vuls/id/30308	third party advisory us government resource
ftp://patches.sgi.com/support/free/security/advisories/20021104-01-P	patch vendor advisory
http://www.l0pht.com/advisories/lpd_advisory	vendor advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/3840	vdb entry

Frequently Asked Questions

What is the severity of CVE-2000-1221?: CVE-2000-1221 has been scored as a critical severity vulnerability.
How to fix CVE-2000-1221?: To fix CVE-2000-1221, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2000-1221 being actively exploited in the wild?: It is possible that CVE-2000-1221 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~12% probability that this vulnerability will be exploited by malicious actors in the next 30 days.

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