ngircd 13/14 denial of service

HistoryDiffrelatejsonxmlCTI

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
3.5	$0-$5k	0.00

Summaryinfo

A vulnerability, which was classified as problematic, was found in ngircd 13/14. This impacts an unknown function. The manipulation results in denial of service. This vulnerability is cataloged as CVE-2009-4652. There is no exploit available.

Detailsinfo

A vulnerability classified as problematic has been found in ngircd 13/14. Affected is some unknown functionality. The manipulation with an unknown input leads to a denial of service vulnerability. CWE is classifying the issue as CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. This is going to have an impact on availability. CVE summarizes:

The (1) Conn_GetCipherInfo and (2) Conn_UsesSSL functions in src/ngircd/conn.c in ngIRCd 13 and 14, when SSL/TLS support is present and standalone mode is disabled, allow remote attackers to cause a denial of service (application crash) by sending the MOTD command from another server in the same IRC network, possibly related to an array index error.

The weakness was shared 02/26/2010 (Website). The advisory is shared for download at securityfocus.com. This vulnerability is traded as CVE-2009-4652 since 02/26/2010. The exploitability is told to be difficult. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are neither technical details nor an exploit publicly available.

It is declared as proof-of-concept.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at X-Force (54272), SecurityFocus (BID 37021†) and Secunia (SA37343†). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Name

ngircd

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.7
VulDB Meta Temp Score: 3.5

VulDB Base Score: 3.7
VulDB Temp Score: 3.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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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: Proof-of-Concept

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

OpenVAS ID: 100347
OpenVAS Name: ngIRCd SSL/TLS Support MOTD Request Multiple Denial Of Service Vulnerabilities
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

11/13/2009 🔍
11/13/2009 +0 days 🔍
02/26/2010 +105 days 🔍
02/26/2010 +0 days 🔍
02/26/2010 +0 days 🔍
03/18/2015 +1846 days 🔍
05/01/2026 +4062 days 🔍

Sourcesinfo

Advisory: securityfocus.com⛔
Status: Not defined
Confirmation: 🔍

CVE: CVE-2009-4652 (🔍)
GCVE (CVE): GCVE-0-2009-4652
GCVE (VulDB): GCVE-100-51984
X-Force: 54272
SecurityFocus: 37021 - ngIRCd SSL/TLS Support MOTD Request Multiple Denial Of Service Vulnerabilities
Secunia: 37343 - ngIRCd SSL/TLS Denial of Service Vulnerabilities, Moderately Critical
Vupen: ADV-2009-3240

Entryinfo

Created: 03/18/2015 15:15
Updated: 05/01/2026 08:08
Changes: 03/18/2015 15:15 (58), 01/27/2019 16:54 (1), 05/01/2026 08:08 (17)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.