module

OpenTSDB 2.4.0 unauthenticated command injection

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Disclosed
2020-11-18
Created
2022-12-23

Description

This module exploits an unauthenticated command injection
vulnerability in the yrange parameter in OpenTSDB through
2.4.0 (CVE-2020-35476) 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 2.4.0 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 yrange 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 2.3.0.

Authors

Shai rod
Erik Wynter

Platform

Linux,Unix

Architectures

cmd, x86, x64

References

Module Options

To display the available options, load the module within the Metasploit console and run the commands ‘show options’ or ‘show advanced’:


    msf > use exploit/linux/http/opentsdb_yrange_cmd_injection
    msf exploit(opentsdb_yrange_cmd_injection) > show targets
        ...targets...
    msf exploit(opentsdb_yrange_cmd_injection) > set TARGET < target-id >
    msf exploit(opentsdb_yrange_cmd_injection) > show options
        ...show and set options...
    msf exploit(opentsdb_yrange_cmd_injection) > exploit
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