CVE-2017-16763

Name: CVE-2017-16763
Creator: NVD / NIST
Published: 2017-11-10T09:29:00.363+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 4.44%

Last modified Jun 17, 2026

CVE-2017-16763 is a vulnerability of currently unknown severity. An exploitable vulnerability exists in the YAML parsing functionality in config.py in Confire 0.2.0. Due to the user-specific configuration being loaded from "~/.confire.yaml" using the yaml.load function, a YAML parser can execute arbitrary Python commands resulting in command execution. EPSS estimates a 4.44% chance of exploitation in the next 30 days.

Description

An exploitable vulnerability exists in the YAML parsing functionality in config.py in Confire 0.2.0. Due to the user-specific configuration being loaded from "~/.confire.yaml" using the yaml.load function, a YAML parser can execute arbitrary Python commands resulting in command execution. An attacker can insert Python into loaded YAML to trigger this vulnerability.

Metrics

EPSS Probability

4.44%

90.2th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Confire Project	Confire	0.2.0

References

https://github.com/bbengfort/confire/commit/8cc86a5ec2327e070f1d576d61bbaadf861597eaPatch, Third Party Advisory
https://github.com/bbengfort/confire/issues/24Exploit, Third Party Advisory
https://joel-malwarebenchmark.github.io/blog/2017/11/12/cve-2017-16763-configure-loaded-through-confire/Exploit, Third Party Advisory
https://github.com/bbengfort/confire/commit/8cc86a5ec2327e070f1d576d61bbaadf861597eaPatch, Third Party Advisory
https://github.com/bbengfort/confire/issues/24Exploit, Third Party Advisory
https://joel-malwarebenchmark.github.io/blog/2017/11/12/cve-2017-16763-configure-loaded-through-confire/Exploit, Third Party Advisory

Timeline

Published: Nov 10, 2017
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2017-16763?

How severe is CVE-2017-16763?

Severity scoring for CVE-2017-16763 is pending analysis. The EPSS model estimates a 4.44% probability of exploitation in the next 30 days.

How do I fix CVE-2017-16763?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2017-16763?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST