FreeBSD up to 4.1.1 Telnet Daemon TERMCAP denial of service

CVSS Meta Temp Score
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CTI Interest Score
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5.1$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, was found in FreeBSD 3.0/3.5.1/4.0/4.1/4.1.1. Impacted is an unknown function of the component Telnet Daemon. Such manipulation of the argument TERMCAP as part of Environment Variable leads to denial of service. This vulnerability is referenced as CVE-2000-1184. No exploit is available. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in FreeBSD 3.0/3.5.1/4.0/4.1/4.1.1 (Operating System) and classified as problematic. Affected by this issue is some unknown functionality of the component Telnet Daemon. The manipulation of the argument TERMCAP as part of a Environment Variable leads to a denial of service vulnerability. Using CWE to declare the problem leads to CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. Impacted is availability. CVE summarizes:

telnetd in FreeBSD 4.2 and earlier, and possibly other operating systems, allows remote attackers to cause a denial of service by specifying an arbitrary large file in the TERMCAP environmental variable, which consumes resources as the server processes the file.

The bug was discovered 11/14/2000. The weakness was published 11/14/2000 by Jouko Pynnonen as not defined advisory (Website). The advisory is shared for download at ftp.FreeBSD.org. This vulnerability is handled as CVE-2000-1184. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. There are known technical details, but no exploit is available.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (5959), SecurityFocus (BID 1955†), OSVDB (6083†) and Vulnerability Center (SBV-15575†). Once again VulDB remains the best source for vulnerability data.

Productinfo

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Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.1

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Denial of service
CWE: CWE-404
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: 🔍
McAfee IPS: 🔍
McAfee IPS Version: 🔍

Timelineinfo

11/14/2000 🔍
11/14/2000 +0 days 🔍
11/14/2000 +0 days 🔍
01/09/2001 +56 days 🔍
01/09/2001 +0 days 🔍
04/09/2004 +1185 days 🔍
07/10/2007 +1187 days 🔍
07/02/2014 +2549 days 🔍
07/21/2019 +1845 days 🔍

Sourcesinfo

Product: freebsd.org

Advisory: ftp.FreeBSD.org
Researcher: Jouko Pynnonen
Status: Not defined

CVE: CVE-2000-1184 (🔍)
GCVE (CVE): GCVE-0-2000-1184
GCVE (VulDB): GCVE-100-16340
X-Force: 5959
SecurityFocus: 1955 - Multiple Vendor telnetd Remote Denial of Service Vulnerability
OSVDB: 6083 - FreeBSD telnetd TERMCAP Environment Variable DoS
Vulnerability Center: 15575 - FreeBSD before 4.2 Telnet Daemon Allows Remote Denial of Service, High

Entryinfo

Created: 07/03/2014 00:44
Updated: 07/21/2019 16:19
Changes: 07/03/2014 00:44 (66), 07/21/2019 16:19 (1)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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