CVE-2017-18342 — Vulnetix

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CVE-2017-18342 PUBLISHED

In PyYAML before 5.1, the yaml.load() API could execute arbitrary code if used with untrusted data. The load() function has been deprecated in version 5.1 and the 'UnsafeLoader' has been introduced for backward compatibility with the function.

EPSS 4.47% · 89.0th percentile

Risk Scores

EPSS Score

4.47%

89.0th percentile

Affected Products

Vendor	Product	Versions
Ubuntu:16.04:LTS	pyyaml	0, 3.11-3build1, 3.11-3
Ubuntu:18.04:LTS	pyyaml	3.12-1build2, 0
Ubuntu:14.04:LTS	pyyaml	3.10-4build4, 3.10-4build3, 3.10-4build2

Timeline

Jun 27, 2018 CVE Published
Apr 14, 2021 EPSS Score
Jun 22, 2021 EPSS Score
Oct 24, 2021 EPSS Score
Dec 25, 2021 EPSS Score
Feb 25, 2022 EPSS Score
Apr 28, 2022 EPSS Score
Aug 31, 2022 EPSS Score
Nov 1, 2022 EPSS Score
Jan 2, 2023 EPSS Score
Mar 5, 2023 EPSS Score
May 6, 2023 EPSS Score

References

https://ubuntu.com/security/CVE-2017-18342 third-party-advisory
https://github.com/yaml/pyyaml/pull/74 third-party-advisory
https://www.cve.org/CVERecord?id=CVE-2017-18342 third-party-advisory

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