ngIRCd 20/20.1 channel.c denial of service

EntryHistoryDiffjsonxmlCTI

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.
5.3	$0-$5k	0.00

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 arthur.barton.de. 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).

Productinfo

Name

ngIRCd

CPE 2.3info

CPE 2.2info

CVSSv3info

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

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

CVSSv2info

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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
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NVD Base Score: 🔍

Exploitinginfo

Class: Denial of service
CWE: CWE-404
ATT&CK: T1499

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

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EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	unlock	unlock	unlock	unlock
Today	unlock	unlock	unlock	unlock

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: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Patch: 0e63fb3fa7ac4ca048e8c2b648d2be3fd0572311

Timelineinfo

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 🔍

Sourcesinfo

Advisory: arthur.barton.de
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

Entryinfo

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: 🔍