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CVE-2013-4238

CVE information

Published

10 years ago

Last Modified

4 years ago

CVSSv2.0 Severity

Medium

Impact Analysis

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Description

The ssl.match_hostname function in the SSL module in Python 2.6 through 3.4 does not properly handle a '\0' character in a domain name in the Subject Alternative Name field of an X.509 certificate, which allows man-in-the-middle attackers to spoof arbitrary SSL servers via a crafted certificate issued by a legitimate Certification Authority, a related issue to CVE-2009-2408..

CVSSv2.0 Score

Severity
Medium
Base Score
4.3/10
Exploit Score
8.6/10
Access Vector
Network
Access Complexity
Medium
Authentication Required
None
Impact Score
2.9/10
Confidentiality Impact
None
Availability Impact
None
Integrity Impact
Partial

Products Affected

CPE Affected Vulnerable Excluding Edit
cpe:2.3:o:canonical:ubuntu_linux:10.04:-:lts:*:*:*:*:*
  Yes
- -
cpe:2.3:a:python:python:3.1:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:python:python:3.1.1:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:python:python:3.0:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:python:python:2.6.6:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:python:python:3.0.1:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:python:python:2.7.1150:*:*:*:*:*:x64:*
  Yes
- -
cpe:2.3:a:python:python:3.3:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:python:python:2.6.1:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:python:python:3.1.5:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:python:python:3.2.2150:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:python:python:2.6.3:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:python:python:2.6.2150:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:python:python:2.7.1:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:python:python:3.1.2150:*:*:*:*:*:x64:*
  Yes
- -
cpe:2.3:a:python:python:3.1.2:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:python:python:2.7.1150:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:python:python:2.6.8:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:python:python:2.6.7:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:python:python:2.7.3:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:python:python:2.7.1:rc1:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:python:python:3.2.3:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:python:python:2.6.4:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:python:python:2.7.2:rc1:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:python:python:2.6.6150:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:python:python:3.2:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:python:python:2.6.2:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:python:python:3.4:alpha1:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:python:python:2.7.2150:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:python:python:3.2:alpha:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:python:python:3.3:beta2:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:python:python:2.6.5:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:python:python:3.1.3:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:python:python:3.1.4:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:o:opensuse:opensuse:12.3:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:o:opensuse:opensuse:11.4:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:o:opensuse:opensuse:12.2:*:*:*:*:*:*:*
  Yes
- -

References