collectd up to 5.7.1 UDP Packet network.c parse_packet/parse_part_sign_sha256 Infinite Loop input validation

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, which was classified as problematic, has been found in collectd up to 5.7.1. Affected by this issue is the function parse_packet/parse_part_sign_sha256 of the file network.c of the component UDP Packet Handler. The manipulation as part of a Infinite Loop leads to a input validation vulnerability. Using CWE to declare the problem leads to CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. Impacted is availability.

The bug was discovered 02/13/2017. The weakness was disclosed 04/03/2017 (GitHub Repository). The advisory is shared for download at This vulnerability is handled as CVE-2017-7401 since 04/03/2017. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. There are known technical details, but no exploit is available.

The vulnerability was handled as a non-public zero-day exploit for at least 49 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 99189 (Debian DLA-884-1 : collectd security update), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian Local Security Checks and running in the context l.

Upgrading eliminates this vulnerability. A possible mitigation has been published 1 days after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (99189).



CPE 2.3info

CPE 2.2info


VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.1

VulDB Base Score: 5.3
VulDB Temp Score: 4.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍



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

NVD Base Score: 🔍


Class: Input validation
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍


Nessus ID: 99189
Nessus Name: Debian DLA-884-1 : collectd security update
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 867773
OpenVAS Name: Fedora Update for collectd FEDORA-2017-80763c8c03
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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


Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍


02/13/2017 🔍
02/13/2017 +0 days 🔍
04/03/2017 +49 days 🔍
04/03/2017 +0 days 🔍
04/03/2017 +0 days 🔍
04/04/2017 +1 days 🔍
04/04/2017 +0 days 🔍
04/05/2017 +1 days 🔍
11/27/2022 +2062 days 🔍


Advisory: RHSA-2017:1285
Status: Not defined
Confirmation: 🔍

CVE: CVE-2017-7401 (🔍)
SecurityFocus: 97321 - collectd CVE-2017-7401 Multiple Denial of Service Vulnerabilities


Created: 04/04/2017 08:52 AM
Updated: 11/27/2022 06:26 AM
Changes: 04/04/2017 08:52 AM (73), 10/15/2019 09:34 AM (6), 11/27/2022 06:26 AM (4)
Complete: 🔍


No comments yet. Languages: en.

Please log in to comment.

Might our Artificial Intelligence support you?

Check our Alexa App!