ngIRCd 20/20.1 channel.c denial of service

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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A vulnerability classified as problematic was found in ngIRCd 20/20.1. Affected by this vulnerability is an unknown code block of the file channel.c. The manipulation with an unknown input leads to a denial of service vulnerability. The CWE definition for the vulnerability is CWE-404. The program does not release or incorrectly releases a resource before it is made available for re-use. As an impact it is known to affect availability. The summary by CVE is:

channel.c in ngIRCd 20 and 20.1 allows remote attackers to cause a denial of service (assertion failure and crash) via a KICK command for a user who is not on the associated channel.

The weakness was released 03/28/2013 (Website). The advisory is shared at This vulnerability is known as CVE-2013-1747 since 02/15/2013. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details are known, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 65839 (Fedora 18 : ngircd-20.2-1.fc18 (2013-4593)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Fedora Local Security Checks.

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 (83146), Vulnerability Center (SBV-39103) and Tenable (65839).



CPE 2.3info

CPE 2.2info


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

VulDB Base Score: 5.3
VulDB Temp Score: 5.3
VulDB Vector: 🔍
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VulDB Base Score: 🔍
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Class: Denial of service
CWE: CWE-404
ATT&CK: T1499

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

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Current Price Estimation: 🔍


Nessus ID: 65839
Nessus Name: Fedora 18 : ngircd-20.2-1.fc18 (2013-4593)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

OpenVAS ID: 866868
OpenVAS Name: Fedora Update for ngircd FEDORA-2013-15290
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Patch: 0e63fb3fa7ac4ca048e8c2b648d2be3fd0572311


02/15/2013 🔍
02/15/2013 +0 days 🔍
03/28/2013 +41 days 🔍
03/28/2013 +0 days 🔍
03/28/2013 +0 days 🔍
04/08/2013 +11 days 🔍
04/09/2013 +1 days 🔍
04/15/2013 +6 days 🔍
03/24/2015 +708 days 🔍
01/01/2022 +2475 days 🔍


Status: Not defined
Confirmation: 🔍

CVE: CVE-2013-1747 (🔍)
X-Force: 83146
Vulnerability Center: 39103 - ngIRCd 20, 20.1 Remote Denial of Service via a KICK Command, Medium
SecurityFocus: 58789 - ngIRCd CVE-2013-1747 Remote Denial of Service Vulnerability
Secunia: 52982 - ngIRCd "KICK" Denial of Service Vulnerability, Moderately Critical
OSVDB: 91836


Created: 03/24/2015 12:22 PM
Updated: 01/01/2022 07:26 PM
Changes: 03/24/2015 12:22 PM (66), 04/27/2017 08:36 AM (6), 01/01/2022 07:19 PM (3), 01/01/2022 07:26 PM (1)
Complete: 🔍


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