CVE-2000-1221
Critical
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.
SeverityCritical
CVSS10.0
Exploit probability—
Product
Redhat Linux
PublishedJan 8, 2000
First seenJan 8, 2000
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| redhat linux | 4.1, 4.2, 5.0, 5.2, 6.0, 6.1 | — |
| sgi irix | 6.5, 6.5.1, 6.5.2, 6.5.3, 6.5.4, 6.5.5, 6.5.6, 6.5.7, 6.5.8, 6.5.9, 6.5.10, 6.5.11, 6.5.12, 6.5.13, 6.5.14f, 6.5.14m, 6.5.15f, 6.5.15m, 6.5.16f, 6.5.16m, 6.5.17f, 6.5.17m, 6.5.18f, 6.5.18m | — |
| debian debian_linux | 2.1 | — |
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