CVE-2013-4238

CVE Details

Release Date:

2013-08-12

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.

See more information about CVE-2013-4238 from MITRE CVE dictionary and NIST NVD

CVSS v2.0 metrics

NOTE: The following CVSS v2.0 metrics and score provided are preliminary and subject to review.

Base Score:	4.3	Base Metrics:	AV:N/AC:M/Au:N/C:N/I:P/A:N
Access Vector:	Network	Attack Complexity:	Medium
Authentication:	None required	Confidentiality Impact:	None
Integrity Impact:	Partial	Availability Impact:	None

Errata information

Platform	Errata	Release Date
Oracle Linux version 6 (python)	ELSA-2013-1582	2013-11-26

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