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Last updated: 5/30/2016 5:52:24 AM

CVE Publication rate: 20.13

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Vulnerability Workload Index: 12.46
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National Cyber Awareness System

Vulnerability Summary for CVE-2000-1221

Original release date: 01/08/2000
Last revised: 02/28/2009


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 Severity (version 2.0):
CVSS v2 Base Score: 10.0 HIGH
Impact Subscore: 10.0
Exploitability Subscore: 10.0
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: Low
Authentication: Not required to exploit
Impact Type: Provides administrator access, Allows complete confidentiality, integrity, and availability violation; Allows unauthorized disclosure of information; Allows disruption of service

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External Source: XF
Name: redhat-lpd-auth(3840)
External Source: ATSTAKE
Name: A010800-v
External Source: DEBIAN
Name: 20000109 lpr -- access control problem and root exploit
Type: Patch Information
External Source: REDHAT
Name: RHSA-2000:002
External Source: SGI
Name: 20021104-01-P
Type: Patch Information
External Source: BID
Name: 927
US-CERT Vulnerability Note: CERT-VN
Name: VU#30308

Technical Details

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