CVE-2001-1155

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.

Category

9.8
CVSS
Severity: Critical
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.47%
Vendor Advisory FreeBSD.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://www.osvdb.org/5454 vdb entry broken link
ftp://ftp.FreeBSD.org/pub/FreeBSD/CERT/advisories/FreeBSD-SA-01:56.tcp_wrappers.asc broken link patch vendor advisory

Frequently Asked Questions

What is the severity of CVE-2001-1155?
CVE-2001-1155 has been scored as a critical severity vulnerability.
How to fix CVE-2001-1155?
To fix CVE-2001-1155, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2001-1155 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2001-1155 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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