Checkmk up to 2.0.0p37/2.1.0p31/2.2.0p3 Command Argument injection

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.
8.7$0-$5k0.00

Summaryinfo

A vulnerability was found in Checkmk up to 2.0.0p37/2.1.0p31/2.2.0p3 and classified as very critical. Impacted is an unknown function of the component Command Argument Handler. Executing a manipulation can lead to injection. This vulnerability appears as CVE-2023-31209. The attack may be performed from remote. There is no available exploit. It is best practice to apply a patch to resolve this issue.

Detailsinfo

A vulnerability has been found in Checkmk up to 2.0.0p37/2.1.0p31/2.2.0p3 and classified as very critical. This vulnerability affects an unknown code of the component Command Argument Handler. The manipulation with an unknown input leads to a injection vulnerability. The CWE definition for the vulnerability is CWE-74. The product constructs all or part of a command, data structure, or record using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify how it is parsed or interpreted when it is sent to a downstream component. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

Improper neutralization of active check command arguments in Checkmk < 2.1.0p32, < 2.0.0p38, < 2.2.0p4 leads to arbitrary command execution for authenticated users.

The weakness was presented 08/10/2023. The advisory is available at checkmk.com. This vulnerability was named CVE-2023-31209 since 04/25/2023. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 07/24/2024). This vulnerability is assigned to T1055 by the MITRE ATT&CK project.

Applying the patch 2.0.0p38/2.1.0p32/2.2.0p4 is able to eliminate this problem.

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Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.8
VulDB Meta Temp Score: 8.7

VulDB Base Score: 8.8
VulDB Temp Score: 8.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CNA Base Score: 8.8
CNA Vector (Tribe29 GmbH): 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Injection
CWE: CWE-74 / CWE-707 / CWE-20
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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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: 2.0.0p38/2.1.0p32/2.2.0p4

Timelineinfo

04/25/2023 🔍
08/10/2023 +107 days 🔍
08/10/2023 +0 days 🔍
07/24/2024 +348 days 🔍

Sourcesinfo

Advisory: checkmk.com
Status: Confirmed

CVE: CVE-2023-31209 (🔍)
GCVE (CVE): GCVE-0-2023-31209
GCVE (VulDB): GCVE-100-236758

Entryinfo

Created: 08/10/2023 11:48
Updated: 07/24/2024 00:26
Changes: 08/10/2023 11:48 (48), 07/24/2024 00:26 (24)
Complete: 🔍
Cache ID: 216::103

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