CVE-2013-4314

Impact:
Moderate
Public Date:
2013-09-04
Bugzilla:
1005325: CVE-2013-4314 pyOpenSSL: hostname check bypassing vulnerability

The MITRE CVE dictionary describes this issue as:

The X509Extension in pyOpenSSL before 0.13.1 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.

Find out more about CVE-2013-4314 from the MITRE CVE dictionary dictionary and NIST NVD.

Statement

Not vulnerable. This issue did not affect the versions of pyOpenSSL as shipped with Red Hat Enterprise Linux 5 and 6.

CVSS v2 metrics

NOTE: The following CVSS v2 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
Access Complexity Medium
Authentication None
Confidentiality Impact None
Integrity Impact Partial
Availability Impact None

Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).

Affected Packages State

Platform Package State
Red Hat Gluster Storage 2.1 pyOpenSSL Not affected
Red Hat Enterprise Linux OpenStack Platform 4.0 pyOpenSSL Not affected
Red Hat Enterprise Linux 7 pyOpenSSL Not affected
Red Hat Enterprise Linux 6 pyOpenSSL Not affected
Red Hat Enterprise Linux 5 pyOpenSSL Not affected

Last Modified

CVE description copyright © 2017, The MITRE Corporation

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