CVE-2017-18342

Description

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.

References

https://security.gentoo.org/glsa/202003-45

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/M6JCFGEIEOFMWWIXGHSELMKQDD4CV2BA/

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KSQQMRUQSXBSUXLCRD3TSZYQ7SEZRKCE/

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JEX7IPV5P2QJITAMA5Z63GQCZA5I6NVZ/

https://github.com/yaml/pyyaml/wiki/PyYAML-yaml.load%28input%29-Deprecation

https://github.com/yaml/pyyaml/pull/74

https://github.com/yaml/pyyaml/issues/193

https://github.com/yaml/pyyaml/blob/master/CHANGES

https://github.com/marshmallow-code/apispec/issues/278

Details

Source: Mitre, NVD

Risk Information

CVSS v2

CVSS v3