OpenTSDB up to 2.4.1 Gnuplot Configuration File injection

Summaryinfo

A vulnerability was found in OpenTSDB up to 2.4.1. It has been rated as critical. Affected by this vulnerability is an unknown functionality of the component Gnuplot Configuration File Handler. This manipulation causes injection. This vulnerability is handled as CVE-2023-36812. The attack can be initiated remotely. There is not any exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability has been found in OpenTSDB up to 2.4.1 and classified as critical. Affected by this vulnerability is an unknown function of the component Gnuplot Configuration File 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. The summary by CVE is:

OpenTSDB is a open source, distributed, scalable Time Series Database (TSDB). OpenTSDB is vulnerable to Remote Code Execution vulnerability by writing user-controlled input to Gnuplot configuration file and running Gnuplot with the generated configuration. This issue has been patched in commit `07c4641471c` and further refined in commit `fa88d3e4b`. These patches are available in the `2.4.2` release. Users are advised to upgrade. User unable to upgrade may disable Gunuplot via the config option`tsd.core.enable_ui = true` and remove the shell files `mygnuplot.bat` and `mygnuplot.sh`.

The weakness was released 07/01/2023 as GHSA-76f7-9v52-v2fw. It is possible to read the advisory at github.com. This vulnerability is known as CVE-2023-36812 since 06/27/2023. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1055 according to MITRE ATT&CK.

Upgrading to version 2.4.2 eliminates this vulnerability. Applying the patch 07c4641471c6f5c2ab5aab615969e97211eb50d9 is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

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Productinfo

Name

• OpenTSDB

Version

• 2.4.0
• 2.4.1

License

• open-source

Website

• Product: https://github.com/OpenTSDB/opentsdb/

CPE 2.3info

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CPE 2.2info

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