CVE-2017-18342

CRITICAL

9.8

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.

CVE Details

CVSS v3.1 Score9.8

SeverityCRITICAL

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published6/27/2018

Last Modified11/21/2024

Sourcenvd

Honeypot Sightings0

Affected Products

fedoraproject:fedorapyyaml:pyyaml

Weaknesses (CWE)

CWE-502

References

https://github.com/marshmallow-code/apispec/issues/278(cve@mitre.org)

https://github.com/yaml/pyyaml/blob/master/CHANGES(cve@mitre.org)

https://github.com/yaml/pyyaml/issues/193(cve@mitre.org)

https://github.com/yaml/pyyaml/pull/74(cve@mitre.org)

https://github.com/yaml/pyyaml/wiki/PyYAML-yaml.load%28input%29-Deprecation(cve@mitre.org)

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JEX7IPV5P2QJITAMA5Z63GQCZA5I6NVZ/(cve@mitre.org)

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KSQQMRUQSXBSUXLCRD3TSZYQ7SEZRKCE/(cve@mitre.org)

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/M6JCFGEIEOFMWWIXGHSELMKQDD4CV2BA/(cve@mitre.org)

https://security.gentoo.org/glsa/202003-45(cve@mitre.org)

https://github.com/marshmallow-code/apispec/issues/278(af854a3a-2127-422b-91ae-364da2661108)

https://github.com/yaml/pyyaml/blob/master/CHANGES(af854a3a-2127-422b-91ae-364da2661108)

https://github.com/yaml/pyyaml/issues/193(af854a3a-2127-422b-91ae-364da2661108)

https://github.com/yaml/pyyaml/pull/74(af854a3a-2127-422b-91ae-364da2661108)

https://github.com/yaml/pyyaml/wiki/PyYAML-yaml.load%28input%29-Deprecation(af854a3a-2127-422b-91ae-364da2661108)

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JEX7IPV5P2QJITAMA5Z63GQCZA5I6NVZ/(af854a3a-2127-422b-91ae-364da2661108)

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KSQQMRUQSXBSUXLCRD3TSZYQ7SEZRKCE/(af854a3a-2127-422b-91ae-364da2661108)

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/M6JCFGEIEOFMWWIXGHSELMKQDD4CV2BA/(af854a3a-2127-422b-91ae-364da2661108)

https://security.gentoo.org/glsa/202003-45(af854a3a-2127-422b-91ae-364da2661108)

IOC Correlations

No correlations recorded

This product uses data from the NVD API but is not endorsed or certified by the NVD.