CVE-2000-1221 EXPLOIT
10.0
HIGH · CVSS 2.0 · EPSS 16.7% (pctl 97)
Patch early
A public exploit exists.
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.
Scoring
| CVSS | 10.0 (HIGH, v2.0) |
|---|---|
| Vector | AV:N/AC:L/Au:N/C:C/I:C/A:C |
| EPSS | 16.73% — more likely to be exploited than 97% of all CVEs |
| On CISA KEV | no |
| Public exploit | yes |
| Published | 2000-01-08 |
| Last modified | 2026-06-16 |
Affected (3)
| Vendor | Product |
|---|---|
| debian | debian linux |
| redhat | linux |
| sgi | irix |
Public exploits
| Source | Title | Date |
|---|---|---|
| exploit-db | RedHat 6.1 / IRIX 6.5.18 - 'lpd' Command Execution | 2000-01-11 |
References
- 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
- 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
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