ircd-ratbox up to 2.0.9 irc_string.c clean_string numeric error

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

Summaryinfo

A vulnerability categorized as critical has been discovered in ircd-ratbox up to 2.0.9. Impacted is the function clean_string of the file irc_string.c. The manipulation results in numeric error. This vulnerability was named CVE-2009-4016. There is no available exploit. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in ircd-ratbox up to 2.0.9. It has been classified as critical. Affected is the function clean_string of the file irc_string.c. The manipulation with an unknown input leads to a numeric error vulnerability. CWE is classifying the issue as CWE-189. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

Integer underflow in the clean_string function in irc_string.c in (1) IRCD-hybrid 7.2.2 and 7.2.3, (2) ircd-ratbox before 2.2.9, and (3) oftc-hybrid before 1.6.8, when flatten_links is disabled, allows remote attackers to execute arbitrary code or cause a denial of service (daemon crash) via a LINKS command.

The weakness was presented 02/04/2010 (Website). The advisory is available at debian.org. This vulnerability is traded as CVE-2009-4016. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Technical details are known, but there is no available exploit.

The vulnerability scanner Nessus provides a plugin with the ID 44333 (FreeBSD : irc-ratbox -- multiple vulnerabilities (192609c8-0c51-11df-82a0-00248c9b4be7)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family FreeBSD Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 175059 (Debian Security Update for Ircd-hybrid/ircd-ratbox (DSA-1980)).

Upgrading to version 2.0.10 eliminates this vulnerability.

The vulnerability is also documented in the databases at Tenable (44333), SecurityFocus (BID 37978†) and Vulnerability Center (SBV-24755†). See VDB-51739 for similar entry. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Name

Version

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: Numeric error
CWE: CWE-189
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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Nessus ID: 44333
Nessus Name: FreeBSD : irc-ratbox -- multiple vulnerabilities (192609c8-0c51-11df-82a0-00248c9b4be7)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

OpenVAS ID: 66773
OpenVAS Name: Debian Security Advisory DSA 1980-1 (ircd-hybrid/ircd-ratbox)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: ircd-ratbox 2.0.10

Timelineinfo

11/19/2009 🔍
01/27/2010 +69 days 🔍
01/27/2010 +0 days 🔍
01/29/2010 +2 days 🔍
02/03/2010 +5 days 🔍
02/04/2010 +1 days 🔍
02/04/2010 +0 days 🔍
03/18/2015 +1868 days 🔍
04/30/2026 +4060 days 🔍

Sourcesinfo

Advisory: debian.org
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2009-4016 (🔍)
GCVE (CVE): GCVE-0-2009-4016
GCVE (VulDB): GCVE-100-51738

OVAL: 🔍

SecurityFocus: 37978 - IRCD-Hybrid and ircd-ratbox 'LINKS' Command Remote Integer Underflow Vulnerability
Vulnerability Center: 24755 - IRCD-Hybrid Remote Arbitrary Code Execution or DoS Vulnerability via \x27LINKS\x27 Command, High

See also: 🔍

Entryinfo

Created: 03/18/2015 15:15
Updated: 04/30/2026 00:47
Changes: 03/18/2015 15:15 (62), 02/20/2017 10:23 (9), 09/01/2021 03:48 (4), 09/01/2021 03:56 (1), 04/30/2026 00:47 (18)
Complete: 🔍
Cache ID: 216::103

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