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CVE-2001-1155 Details
Description
TCP Wrappers (tcp_wrappers) in FreeBSD 4.1.1 through 4.3 with the PARANOID ACL option enabled does not properly check the result of a reverse DNS lookup, which could allow remote attackers to bypass intended access restrictions via DNS spoofing.
Metrics
CVSS 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
No SSVC data is available for this CVE.
References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| ftp://ftp.FreeBSD.org/pub/FreeBSD/CERT/advisories/FreeBSD-SA-01:56.tcp_wrappers.asc | CVE | Broken LinkPatchVendor Advisory |
| http://www.osvdb.org/5454 | CVE | Broken Link |
| ftp://ftp.FreeBSD.org/pub/FreeBSD/CERT/advisories/FreeBSD-SA-01:56.tcp_wrappers.asc | [email protected] | Broken LinkPatchVendor Advisory |
| http://www.osvdb.org/5454 | [email protected] | Broken Link |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-863 | Incorrect Authorization | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| freebsd freebsd | >= 4.1.1, <= 4.3 |
CPE
Remediation
| |
Change History
6 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 16, 2026 | CVE Modified | [email protected] |
| Apr 16, 2026 | [email protected] | |
| Nov 20, 2024 | CVE Modified | CVE |
| May 14, 2024 | CVE Modified | [email protected] |
| Feb 16, 2024 | Reanalysis | [email protected] |
| Jan 1, 2004 | Initial Analysis | [email protected] |