ZNC Znc-msvc 0.200/0.202 bouncedcc.cpp OnPrivCTCP resource management

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.

A vulnerability was found in ZNC Znc-msvc 0.200/0.202. It has been rated as problematic. This issue affects the function CBounceDCCMod::OnPrivCTCP of the file bouncedcc.cpp. The manipulation with an unknown input leads to a resource management vulnerability. Using CWE to declare the problem leads to CWE-399. Impacted is availability. The summary by CVE is:

The CBounceDCCMod::OnPrivCTCP funcion in bouncedcc.cpp in the bouncedcc module in ZNC 0.200 and 0.202 allows remote attackers to cause a denial of service (crash) via a crafted DCC RESUME request.

The weakness was disclosed 04/08/2014 (Website). It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2012-0033 since 12/07/2011. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details of the vulnerability are known, but there is no available exploit.

The vulnerability scanner Nessus provides a plugin with the ID 57881 (Fedora 15 : znc-0.204-3.fc15 (2012-0917)), 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 (72247) and Tenable (57881). The entry VDB-65878 is pretty similar.






CPE 2.3info

CPE 2.2info


VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍


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: 🔍



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

NVD Base Score: 🔍


Class: Resource management
CWE: CWE-399 / CWE-404

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍


Nessus ID: 57881
Nessus Name: Fedora 15 : znc-0.204-3.fc15 (2012-0917)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

OpenVAS ID: 863730
OpenVAS Name: Fedora Update for znc FEDORA-2012-0917
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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


Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Patch: github.com


12/07/2011 🔍
01/08/2012 +32 days 🔍
01/09/2012 +1 days 🔍
01/09/2012 +0 days 🔍
02/10/2012 +32 days 🔍
02/22/2012 +12 days 🔍
04/08/2014 +776 days 🔍
04/08/2014 +0 days 🔍
03/24/2015 +350 days 🔍
02/06/2022 +2511 days 🔍


Advisory: 11508aa72efab4fad0dbd8292b9614d9371b20a9
Status: Not defined
Confirmation: 🔍

CVE: CVE-2012-0033 (🔍)
X-Force: 72247
Vulnerability Center: 34538 - ZNC 0.202 and Earlier CBounceDCCMod:OnPrivCTCP() Remote DoS via a Crafted DCC Command, Medium
SecurityFocus: 51328 - ZNC 'bouncedcc' Module Remote Denial of Service Vulnerability
Secunia: 47387 - ZNC "bouncedcc" Module Denial of Service Vulnerability, Moderately Critical

See also: 🔍


Created: 03/24/2015 03:54 PM
Updated: 02/06/2022 04:24 PM
Changes: 03/24/2015 03:54 PM (61), 04/09/2017 02:58 PM (12), 02/06/2022 04:16 PM (4), 02/06/2022 04:24 PM (1)
Complete: 🔍
Cache ID: 34:0E3:40


No comments yet. Languages: en.

Please log in to comment.

Do you know our Splunk app?

Download it now for free!