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CVE-2023-36812

Status Candidate

Overview

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`.

Related Files

OpenTSDB 2.4.1 Unauthenticated Command Injection
Posted Sep 8, 2023
Authored by Erik Wynter, Gal Goldstein, Daniel Abeles | Site metasploit.com

This Metasploit module exploits an unauthenticated command injection vulnerability in the key parameter in OpenTSDB through 2.4.1 in order to achieve unauthenticated remote code execution as the root user. The module first attempts to obtain the OpenTSDB version via the api. If the version is 2.4.1 or lower, the module performs additional checks to obtain the configured metrics and aggregators. It then randomly selects one metric and one aggregator and uses those to instruct the target server to plot a graph. As part of this request, the key parameter is set to the payload, which will then be executed by the target if the latter is vulnerable. This module has been successfully tested against OpenTSDB version 2.4.1.

tags | exploit, remote, root, code execution
advisories | CVE-2023-25826, CVE-2023-36812
SHA-256 | 34f1ed88046d0a1cb1d6424711b6f621117f401a0d42ebfc307dc277ada181d2
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