Public Date:
1039801: CVE-2013-6418 pywbem: TOCTOU vulnerability in certificate validation

The MITRE CVE dictionary describes this issue as:

PyWBEM 0.7 and earlier uses a separate connection to validate X.509 certificates, which allows man-in-the-middle attackers to spoof a peer via an arbitrary certificate.

Find out more about CVE-2013-6418 from the MITRE CVE dictionary dictionary and NIST NVD.


Red Hat Product Security has rated this issue as having Moderate security impact. This issue is not currently planned to be addressed in future updates. For additional information, refer to the Issue Severity Classification:

CVSS v2 metrics

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

Base Score 5.8
Base Metrics AV:N/AC:M/Au:N/C:P/I:P/A:N
Access Vector Network
Access Complexity Medium
Authentication None
Confidentiality Impact Partial
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 Enterprise Linux 7 pywbem Will not fix
Red Hat Enterprise Linux 6 pywbem Will not fix
Unless explicitly stated as not affected, all previous versions of packages in any minor update stream of a product listed here should be assumed vulnerable, although may not have been subject to full analysis.


This issue was discovered by Florian Weimer of the Red Hat Product Security Team.
Last Modified

CVE description copyright © 2017, The MITRE Corporation