Vulnerability Details CVE-2017-18342
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.047
EPSS Ranking 88.9%
CVSS Severity
CVSS v3 Score 9.8
CVSS v2 Score 7.5
References
- https://github.com/marshmallow-code/apispec/issues/278
- https://github.com/yaml/pyyaml/blob/master/CHANGES
- https://github.com/yaml/pyyaml/issues/193
- https://github.com/yaml/pyyaml/pull/74
- https://github.com/yaml/pyyaml/wiki/PyYAML-yaml.load%28input%29-Deprecation
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JEX7IPV5P2QJITAMA5Z63GQCZA5I6NVZ/
- 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/M6JCFGEIEOFMWWIXGHSELMKQDD4CV2BA/
- https://security.gentoo.org/glsa/202003-45
- https://github.com/marshmallow-code/apispec/issues/278
- https://github.com/yaml/pyyaml/blob/master/CHANGES
- https://github.com/yaml/pyyaml/issues/193
- https://github.com/yaml/pyyaml/pull/74
- https://github.com/yaml/pyyaml/wiki/PyYAML-yaml.load%28input%29-Deprecation
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JEX7IPV5P2QJITAMA5Z63GQCZA5I6NVZ/
- 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/M6JCFGEIEOFMWWIXGHSELMKQDD4CV2BA/
- https://security.gentoo.org/glsa/202003-45
Products affected by CVE-2017-18342
-
cpe:2.3:a:pyyaml:pyyaml:3.01
-
cpe:2.3:a:pyyaml:pyyaml:3.02
-
cpe:2.3:a:pyyaml:pyyaml:3.03
-
cpe:2.3:a:pyyaml:pyyaml:3.04
-
cpe:2.3:a:pyyaml:pyyaml:3.05
-
cpe:2.3:a:pyyaml:pyyaml:3.06
-
cpe:2.3:a:pyyaml:pyyaml:3.07
-
cpe:2.3:a:pyyaml:pyyaml:3.08
-
cpe:2.3:a:pyyaml:pyyaml:3.09
-
cpe:2.3:a:pyyaml:pyyaml:3.10
-
cpe:2.3:a:pyyaml:pyyaml:3.11
-
cpe:2.3:a:pyyaml:pyyaml:3.12
-
cpe:2.3:a:pyyaml:pyyaml:3.13
-
cpe:2.3:a:pyyaml:pyyaml:4.1
-
cpe:2.3:a:pyyaml:pyyaml:4.2
-
cpe:2.3:o:fedoraproject:fedora:28
-
cpe:2.3:o:fedoraproject:fedora:29
-
cpe:2.3:o:fedoraproject:fedora:30