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Advisory

Cisco NAC Appliance (Cisco Clean Access / Perfigo) authentication cross-site scripting (XSS)

Dell SecureWorks Security Advisory SWRX-2013-001

January 30, 2013

Advisory Information

  • Title: Cisco NAC Appliance (Cisco Clean Access / Perfigo) authentication cross-site scripting (XSS)
  • Advisory ID: SWRX-2013-001
  • Date published: Wednesday, January 30, 2013
  • CVE: CVE-2012-6029
  • CVSS v2 base score: 4.3
  • Date of last update: Wednesday, January 30, 2013
  • Vendors contacted: Cisco Systems, Inc.
  • Release mode: Coordinated
  • Discovered by: Craig Lambert, Dell SecureWorks

Summary

The Cisco NAC Appliance (formerly, Cisco Clean Access) “enforces security policy compliance on all devices that attempt to gain access” to organizations’ infrastructure. A common application of Cisco NAC is to “provide easy and secure guest access.” A vulnerability exists in the web-based authentication functions of Cisco NAC Appliance versions up to and including 4.9.2. The vulnerability involves insufficient input validation of URL parameters. Successful exploitation may allow an attacker to retrieve session cookies, steal recently submitted data, or launch additional attacks.

Download the PDF: SWRX-2013-001

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ABOUT THE AUTHOR
COUNTER THREAT UNIT RESEARCH TEAM
Secureworks Counter Threat Unit™ (CTU) researchers frequently serve as expert resources for the media, publish technical analyses for the security community, and speak about emerging threats at security conferences. Leveraging Secureworks’ advanced security technologies and a network of industry contacts, the CTU™ research team tracks threat actors and analyzes anomalous activity, uncovering new attack techniques and threats. This process enables CTU researchers to identify threats as they emerge and develop countermeasures that protect customers before damage can occur.
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