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nvd[email protected]NVD:CVE-2013-4238
HistoryAug 18, 2013 - 2:52 a.m.

CVE-2013-4238

2013-08-1802:52:22
CWE-20
web.nvd.nist.gov

4.3 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:M/Au:N/C:N/I:P/A:N

6.3 Medium

AI Score

Confidence

High

0.003 Low

EPSS

Percentile

65.4%

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.

Affected configurations

NVD
Node
canonicalubuntu_linuxMatch10.04-lts
Node
pythonpythonMatch2.6.1
OR
pythonpythonMatch2.6.2
OR
pythonpythonMatch2.6.3
OR
pythonpythonMatch2.6.4
OR
pythonpythonMatch2.6.5
OR
pythonpythonMatch2.6.6
OR
pythonpythonMatch2.6.7
OR
pythonpythonMatch2.6.8
OR
pythonpythonMatch2.6.2150
OR
pythonpythonMatch2.6.6150
OR
pythonpythonMatch2.7.1
OR
pythonpythonMatch2.7.1rc1
OR
pythonpythonMatch2.7.2rc1
OR
pythonpythonMatch2.7.3
OR
pythonpythonMatch2.7.1150
OR
pythonpythonMatch2.7.1150x64
OR
pythonpythonMatch2.7.2150
OR
pythonpythonMatch3.0
OR
pythonpythonMatch3.0.1
OR
pythonpythonMatch3.1
OR
pythonpythonMatch3.1.1
OR
pythonpythonMatch3.1.2
OR
pythonpythonMatch3.1.3
OR
pythonpythonMatch3.1.4
OR
pythonpythonMatch3.1.5
OR
pythonpythonMatch3.1.2150x64
OR
pythonpythonMatch3.2
OR
pythonpythonMatch3.2alpha
OR
pythonpythonMatch3.2.3
OR
pythonpythonMatch3.2.2150
OR
pythonpythonMatch3.3
OR
pythonpythonMatch3.3beta2
OR
pythonpythonMatch3.4alpha1
Node
opensuseopensuseMatch11.4
OR
opensuseopensuseMatch12.2
OR
opensuseopensuseMatch12.3

4.3 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:M/Au:N/C:N/I:P/A:N

6.3 Medium

AI Score

Confidence

High

0.003 Low

EPSS

Percentile

65.4%