The HTTP clients in the (1) httplib, (2) urllib, (3)...
Vulnerability Description
The HTTP clients in the (1) httplib, (2) urllib, (3) urllib2, and (4) xmlrpclib libraries in CPython (aka Python) 2.x before 2.7.9 and 3.x before 3.4.3, when accessing an HTTPS URL, do not (a) check the certificate against a trust store or verify that the server hostname matches a domain name in the subject's (b) Common Name or (c) subjectAltName field of the X.509 certificate, which allows man-in-the-middle attackers to spoof SSL servers via an arbitrary valid certificate.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
- https://access.redhat.com/errata/RHSA-2017:1162
- https://www.python.org/dev/peps/pep-0476/
- http://www.securityfocus.com/bid/71639
- https://access.redhat.com/errata/RHSA-2016:1166
- https://access.redhat.com/errata/RHSA-2017:1868
- http://bugs.python.org/issue22417
- https://security.gentoo.org/glsa/201503-10
- http://lists.apple.com/archives/security-announce/2015/Aug/msg00001.html
- https://www.python.org/downloads/release/python-279/
- http://www.oracle.com/technetwork/topics/security/bulletinjan2015-2370101.html
- http://www.openwall.com/lists/oss-security/2014/12/11/1
- https://support.apple.com/kb/HT205031
- http://www.oracle.com/technetwork/topics/security/bulletinoct2015-2511968.html
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Timeline
CVSS Vectors
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.