CVE-2001-1155 - Vulnerability Details - OpenCVE

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.

Published: 2002-06-25

Score: 9.8 Critical

EPSS: < 1% Very Low

KEV: No

Impact:

Action:

Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

n/a

n/a

affected

Version	Status	Constraints
`n/a`	affected	—

Configuration 1 [-]

cpe:2.3:o:freebsd:freebsd:*:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

Sign in to view the affected projects.

Advisories

No advisories yet.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact Partial

Integrity Impact Partial

Availability Impact Partial

This CVE is not in the KEV list.

The EPSS score is 0.00197.

Key SSVC decision points have not yet been added.

References

Link	Providers
ftp://ftp.FreeBSD.org/pub/FreeBSD/CERT/advisories/FreeBSD-SA-01:56.tcp_wrappers.asc
http://www.osvdb.org/5454

History

No history.

Subscriptions

Freebsd Freebsd

MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2002-06-25T04:00:00.000Z

Updated: 2024-08-08T04:44:07.950Z

Reserved: 2002-03-15T00:00:00.000Z

Link: CVE-2001-1155

Vulnrichment

No data.

NVD

Status : Modified

Published: 2001-08-23T04:00:00.000

Modified: 2026-04-16T00:27:16.627

Link: CVE-2001-1155

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-863

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