FreeBSD 4.1.1/4.2/4.3 TCP Wrapper privileges management

CVSS Meta Temp Score
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CTI Interest Score
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7.0$0-$5k0.00

Summaryinfo

A vulnerability marked as critical has been reported in FreeBSD 4.1.1/4.2/4.3. This affects an unknown function of the component TCP Wrapper. This manipulation causes privileges management. This vulnerability is registered as CVE-2001-1155. No exploit is available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical was found in FreeBSD 4.1.1/4.2/4.3 (Operating System). Affected by this vulnerability is an unknown code of the component TCP Wrapper. The manipulation with an unknown input leads to a privileges management vulnerability. The CWE definition for the vulnerability is CWE-269. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

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.

The weakness was published 07/04/2001 by Tony Finch (Website). The advisory is shared at ftp.FreeBSD.org. This vulnerability is known as CVE-2001-1155. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1068 for this issue.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (7040), SecurityFocus (BID 3229†), OSVDB (5454†) and Vulnerability Center (SBV-22772†). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.0

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Privileges management
CWE: CWE-269 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

07/04/2001 🔍
08/23/2001 +49 days 🔍
08/23/2001 +0 days 🔍
08/23/2001 +0 days 🔍
04/09/2004 +959 days 🔍
07/05/2009 +1913 days 🔍
07/08/2014 +1829 days 🔍
02/11/2017 +949 days 🔍

Sourcesinfo

Product: freebsd.org

Advisory: ftp.FreeBSD.org
Researcher: Tony Finch
Status: Not defined

CVE: CVE-2001-1155 (🔍)
GCVE (CVE): GCVE-0-2001-1155
GCVE (VulDB): GCVE-100-17245
X-Force: 7040
SecurityFocus: 3229 - FreeBSD tcp_wrappers PARANOID Checking Bypass Vulnerability
OSVDB: 5454 - TCP Wrappers PARANOID Reverse DNS ACL Bypass
Vulnerability Center: 22772 - FreeBSD 4.1.1 - 4.3 TCP Wrappers Remote Restrictions Bypass Vulnerability via DNS Spoofing, High

Entryinfo

Created: 07/08/2014 15:21
Updated: 02/11/2017 10:24
Changes: 07/08/2014 15:21 (52), 02/11/2017 10:24 (10)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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