Vulnerability CVE-2013-7440
Published: 2016-06-07   Modified: 2016-06-08

Description:
The ssl.match_hostname function in CPython (aka Python) before 2.7.9 and 3.x before 3.3.3 does not properly handle wildcards in hostnames, which might allow man-in-the-middle attackers to spoof servers via a crafted certificate.

CVSS2 => (AV:N/AC:M/Au:N/C:N/I:P/A:N)

CVSS Base Score
Impact Subscore
Exploitability Subscore
4.3/10
2.9/10
8.6/10
Exploit range
Attack complexity
Authentication
Remote
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
None
Partial
None
Affected software
Python -> Python 

 References:
http://seclists.org/oss-sec/2015/q2/483
http://seclists.org/oss-sec/2015/q2/523
http://www.securityfocus.com/bid/74707
https://access.redhat.com/errata/RHSA-2016:1166
https://bugs.python.org/issue17997
https://bugzilla.redhat.com/show_bug.cgi?id=1224999
https://hg.python.org/cpython/rev/10d0edadbcdd
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