CVE-2020-35476

Public Exploit

Description

A remote code execution vulnerability occurs in OpenTSDB through 2.4.0 via command injection in the yrange parameter. The yrange value is written to a gnuplot file in the /tmp directory. This file is then executed via the mygnuplot.sh shell script. (tsd/GraphHandler.java attempted to prevent command injections by blocking backticks but this is insufficient.)

Category

9.8
CVSS
Severity: Critical
CVSS 3.1 •
CVSS 2.0 •
EPSS 93.36% Top 5%
Third-Party Advisory packetstormsecurity.com Third-Party Advisory github.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://github.com/OpenTSDB/opentsdb/issues/2051 issue tracking exploit third party advisory
http://packetstormsecurity.com/files/170331/OpenTSDB-2.4.0-Command-Injection.html exploit vdb entry third party advisory

Frequently Asked Questions

What is the severity of CVE-2020-35476?
CVE-2020-35476 has been scored as a critical severity vulnerability.
How to fix CVE-2020-35476?
To fix CVE-2020-35476, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-35476 being actively exploited in the wild?
It is possible that CVE-2020-35476 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~93% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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