Vulnerability Details : CVE-2013-7440
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.
Products affected by CVE-2013-7440
- cpe:2.3:a:python:python:*:*:*:*:*:*:*:*
- cpe:2.3:a:python:python:3.1:*:*:*:*:*:*:*
- cpe:2.3:a:python:python:3.2:*:*:*:*:*:*:*
- cpe:2.3:a:python:python:3.2:alpha:*:*:*:*:*:*
- cpe:2.3:a:python:python:3.0:*:*:*:*:*:*:*
- cpe:2.3:a:python:python:3.1.2:*:*:*:*:*:*:*
- cpe:2.3:a:python:python:3.0.1:*:*:*:*:*:*:*
- cpe:2.3:a:python:python:3.1.1:*:*:*:*:*:*:*
- cpe:2.3:a:python:python:3.1.3:*:*:*:*:*:*:*
- cpe:2.3:a:python:python:3.1.4:*:*:*:*:*:*:*
- cpe:2.3:a:python:python:3.1.2150:*:*:*:*:*:x64:*
- cpe:2.3:a:python:python:3.1.5:*:*:*:*:*:*:*
- cpe:2.3:a:python:python:3.2.2150:*:*:*:*:*:*:*
- cpe:2.3:a:python:python:3.2.3:*:*:*:*:*:*:*
- cpe:2.3:a:python:python:3.3:*:*:*:*:*:*:*
- cpe:2.3:a:python:python:3.3:beta2:*:*:*:*:*:*
- cpe:2.3:a:python:python:3.3.2:*:*:*:*:*:*:*
- cpe:2.3:a:python:python:3.2.0:*:*:*:*:*:*:*
- cpe:2.3:a:python:python:3.3.0:*:*:*:*:*:*:*
- cpe:2.3:a:python:python:3.3.1:*:*:*:*:*:*:*
- cpe:2.3:a:python:python:3.2.4:*:*:*:*:*:*:*
- cpe:2.3:a:python:python:3.2.5:*:*:*:*:*:*:*
- cpe:2.3:a:python:python:3.2.1:*:*:*:*:*:*:*
- cpe:2.3:a:python:python:3.2.2:*:*:*:*:*:*:*
- cpe:2.3:a:python:python:3.3.1:rc1:*:*:*:*:*:*
- cpe:2.3:a:python:python:3.2.6:*:*:*:*:*:*:*
Threat overview for CVE-2013-7440
Top countries where our scanners detected CVE-2013-7440
Top open port discovered on systems with this issue
8123
IPs affected by CVE-2013-7440 123,620
Threat actors abusing to this issue?
Yes
Find out if you* are
affected by CVE-2013-7440!
*Directly or indirectly through your vendors, service providers and 3rd parties.
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attack surface intelligence
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Exploit prediction scoring system (EPSS) score for CVE-2013-7440
0.16%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 52 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2013-7440
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
4.3
|
MEDIUM | AV:N/AC:M/Au:N/C:N/I:P/A:N |
8.6
|
2.9
|
NIST | |
|
5.9
|
MEDIUM | CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N |
2.2
|
3.6
|
NIST |
CWE ids for CVE-2013-7440
-
Assigned by: nvd@nist.gov (Primary)
References for CVE-2013-7440
-
https://bugzilla.redhat.com/show_bug.cgi?id=1224999
1224999 – (CVE-2013-7440) CVE-2013-7440 python: wildcard matching rules do not follow RFC 6125
-
https://access.redhat.com/errata/RHSA-2016:1166
RHSA-2016:1166 - Security Advisory - Red Hat Customer Portal
-
http://seclists.org/oss-sec/2015/q2/523
oss-sec: Re: CVE request: ssl.match_hostname(): sub string wildcard should not match IDNA prefix
-
http://www.securityfocus.com/bid/74707
Python 'ssl.match_hostname()' Function Security Bypass Vulnerability
-
http://seclists.org/oss-sec/2015/q2/483
oss-sec: CVE request: ssl.match_hostname(): sub string wildcard should not match IDNA prefix
-
https://hg.python.org/cpython/rev/10d0edadbcdd
cpython: 10d0edadbcdd
-
https://bugs.python.org/issue17997
Issue 17997: ssl.match_hostname(): sub string wildcard should not match IDNA prefix - Python tracker
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