National Cyber Awareness System
Vulnerability Summary for CVE-2012-1016
Original release date:03/05/2013
Last revised:03/05/2013
Source:
US-CERT/NIST
Overview
The pkinit_server_return_padata function in plugins/preauth/pkinit/pkinit_srv.c in the PKINIT implementation in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) before 1.10.4 attempts to find an agility KDF identifier in inappropriate circumstances, which allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via a crafted Draft 9 request.
Impact
CVSS Severity (version 2.0):
Impact Subscore:
2.9
Exploitability Subscore:
8.6
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: Medium
Authentication: Not required to exploit
Impact Type:Allows disruption of serviceUnknown
References to Advisories, Solutions, and Tools
By selecting these links, you will be leaving NIST webspace. We have provided these links to other web sites because they may have information that would be of interest to you. No inferences should be drawn on account of other sites being referenced, or not, from this page. There may be other web sites that are more appropriate for your purpose. NIST does not necessarily endorse the views expressed, or concur with the facts presented on these sites. Further, NIST does not endorse any commercial products that may be mentioned on these sites. Please address comments about this page to nvd@nist.gov.
External Source: CONFIRM
Name: http://web.mit.edu/kerberos/www/krb5-1.10/
Type: Patch Information
External Source: CONFIRM
Name: https://github.com/krb5/krb5/commit/db64ca25d661a47b996b4e2645998b5d7f0eb52c
External Source: CONFIRM
Name: http://krbdev.mit.edu/rt/Ticket/Display.html?id=7527
