VDB-136609 · CVE-2018-18837 · Nessus 214875

Netdata 1.10.0 HTTP Header web/api/web_api_v1.c filename Header Injection response splitting

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.
6.5	$0-$5k	0.00

Summaryinfo

A vulnerability marked as critical has been reported in Netdata 1.10.0. Affected by this vulnerability is an unknown functionality of the file web/api/web_api_v1.c of the component HTTP Header Handler. This manipulation of the argument filename causes response splitting (Header Injection). The identification of this vulnerability is CVE-2018-18837. It is possible to initiate the attack remotely. There is no exploit available.

Detailsinfo

A vulnerability was found in Netdata 1.10.0. It has been declared as critical. Affected by this vulnerability is an unknown code of the file web/api/web_api_v1.c of the component HTTP Header Handler. The manipulation of the argument filename with an unknown input leads to a response splitting vulnerability (Header Injection). The CWE definition for the vulnerability is CWE-113. The product receives data from an HTTP agent/component (e.g., web server, proxy, browser, etc.), but it does not neutralize or incorrectly neutralizes CR and LF characters before the data is included in outgoing HTTP headers. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

An issue was discovered in Netdata 1.10.0. HTTP Header Injection exists via the api/v1/data filename parameter because of web_client_api_request_v1_data in web/api/web_api_v1.c.

The weakness was shared 06/18/2019 (GitHub Repository). The advisory is shared at github.com. This vulnerability is known as CVE-2018-18837 since 10/30/2018. The attack can be launched remotely. The exploitation doesn't need any form of authentication. It demands that the victim is doing some kind of user interaction. Technical details are known, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 214875 (Ubuntu 20.04 LTS / 24.10 : Netdata vulnerabilities (USN-7250-1)), which helps to determine the existence of the flaw in a target environment.

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 vulnerability database at Tenable (214875). The entries VDB-136608 and VDB-136610 are related to this item. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Name

Netdata

Version

1.10.0

License

open-source

Website

Product: https://github.com/netdata/netdata/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.6
VulDB Meta Temp Score: 6.4

VulDB Base Score: 7.1
VulDB Temp Score: 6.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.1
NVD Vector: 🔍

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

Name: Header Injection
Class: Response splitting / Header Injection
CWE: CWE-113 / CWE-93 / CWE-74
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 214875
Nessus Name: Ubuntu 20.04 LTS / 24.10 : Netdata vulnerabilities (USN-7250-1)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Patch: github.com

Timelineinfo

10/30/2018 🔍
06/18/2019 +231 days 🔍
06/18/2019 +0 days 🔍
02/03/2025 +2057 days 🔍

Sourcesinfo

Product: github.com

Advisory: 92327c9ec211bd1616315abcb255861b130b97ca
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2018-18837 (🔍)
GCVE (CVE): GCVE-0-2018-18837
GCVE (VulDB): GCVE-100-136609
See also: 🔍

Entryinfo

Created: 06/18/2019 22:27
Updated: 02/03/2025 11:20
Changes: 06/18/2019 22:27 (57), 06/25/2020 11:04 (1), 10/06/2023 08:34 (5), 10/06/2023 08:35 (1), 02/03/2025 11:20 (22)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.