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Last updated: Thu May 23 18:23:18 EDT 2013

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National Cyber Awareness System

Vulnerability Summary for CVE-2013-1124

Original release date:02/28/2013
Last revised:03/01/2013
Source: US-CERT/NIST

Overview

The Cisco Network Admission Control (NAC) agent on Mac OS X does not verify the X.509 certificate of an Identity Services Engine (ISE) server during an SSL session, which allows man-in-the-middle attackers to spoof ISE servers via an arbitrary certificate, aka Bug ID CSCub24309.

Impact

CVSS Severity (version 2.0):
CVSS v2 Base Score:5.8 (MEDIUM) (AV:N/AC:M/Au:N/C:P/I:P/A:N) (legend)
Impact Subscore: 4.9
Exploitability Subscore: 8.6
CVSS Version 2 Metrics:
Access Vector: Network exploitable; Victim must voluntarily interact with attack mechanism
Access Complexity: Medium
Authentication: Not required to exploit
Impact Type:Allows unauthorized disclosure of information; Allows unauthorized modification

References to Advisories, Solutions, and Tools

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External Source: CISCO
Name: 20130227 Cisco Network Admission Control Mac Agent Connects to ISE Server with Untrusted SSL Certificate
Type: Advisory
Hyperlink:http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2013-1124

Vulnerable software and versions

Nav control imageConfiguration 1
spacerNav control imageAND
spacerspacerNav control imageOR
spacerspacerline trunkNav control image* cpe:/a:cisco:network_admission_control:-
spacerspacerNav control imageOR
spacerspacerspacerNav control imagecpe:/o:apple:mac_os_x
* Denotes Vulnerable Software
* Changes related to vulnerability configurations

Technical Details

Vulnerability Type (View All)
CVE Standard Vulnerability Entry:http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2013-1124