CVE-2001-1155

Severity

75%

Complexity

99%

Confidentiality

106%

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.

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.

CVSS 2.0 Base Score 7.5. CVSS Attack Vector: network. CVSS Attack Complexity: low. CVSS Vector: (AV:N/AC:L/Au:N/C:P/I:P/A:P).

Overview

Type

FreeBSD

First reported 23 years ago

2001-08-23 04:00:00

Last updated 16 years ago

2008-09-05 20:25:00

Affected Software

FreeBSD 4.1.1

4.1.1

FreeBSD 4.2

4.2

FreeBSD 4.3

4.3

References

FreeBSD-SA-01:56

Patch, Vendor Advisory

5454

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