CVE-2017-16616

Description

An exploitable vulnerability exists in the YAML parsing functionality in the YAMLParser method in Interfaces.py in PyAnyAPI before 0.6.1. A YAML parser can execute arbitrary Python commands resulting in command execution because load is used where safe_load should have been used. An attacker can insert Python into loaded YAML to trigger this vulnerability.

9.8

CVSS

Severity: Critical

CVSS 3.0 •

CVSS 2.0 •

EPSS 1.25% Top 25%

Third-Party Advisory github.io

Affected: n/a n/a

References

Link	Tags
https://joel-malwarebenchmark.github.io/blog/2017/11/08/cve-2017-16616-yamlparser-in-pyanyapi/	third party advisory
https://github.com/Stranger6667/pyanyapi/issues/41	issue tracking
https://github.com/Stranger6667/pyanyapi/releases/tag/0.6.1	release notes
https://pypi.python.org/pypi/pyanyapi/0.6.1	product

Frequently Asked Questions

What is the severity of CVE-2017-16616?: CVE-2017-16616 has been scored as a critical severity vulnerability.
How to fix CVE-2017-16616?: To fix CVE-2017-16616, 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-2017-16616 being actively exploited in the wild?: It is possible that CVE-2017-16616 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.

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