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CVE-2001-1155

CVE information

Published

21 years ago

Last Modified

14 years ago

CVSSv2.0 Severity

High

Impact Analysis

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..

CVSSv2.0 Score

Severity
High
Base Score
7.5/10
Exploit Score
10/10
Access Vector
Network
Access Complexity
Low
Authentication Required
None
Impact Score
6.4/10
Confidentiality Impact
Partial
Availability Impact
Partial
Integrity Impact
Partial

Products Affected

CPE Affected Vulnerable Excluding Edit
cpe:2.3:o:freebsd:freebsd:4.2:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:o:freebsd:freebsd:4.1.1:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:o:freebsd:freebsd:4.3:*:*:*:*:*:*:*
  Yes
- -