PT-2012-01: Abuse of Functionality in Cisco Identity Services Engine Web Interface

Vulnerable product

Cisco Identity Services Engine
Version: 1.0.4.573 and earlier

Link:
http://www.cisco.com/en/US/products/ps11640/index.html

Severity level

Severity level: High
Impact: Arbitrary Files Reading, Denial of Service
Access Vector: Remote

CVSS v2:
Base Score: 9.0
Vector: (AV:N/AC:L/Au:N/C:C/I:C/A:C)

CVE: CVE-2012-3907

Product description

Cisco Identity Services Engine (ISE) is a security policy management and control platform.

Vulnerability description

The specialists of the Positive Research center have detected a vulnerability related with abuse of functionality in Cisco ISE web interface.

Any user authenticated via web interface can download arbitrary files from their backend operating system using a specific URL. When the URL is referred to, the specified file is being deleted on the backend OS file system even if the user cancels the download. At this point, using a CSRF vector, a remote attacker can provide a specially crafted link to provoke the legitimate user to erase sensitive system files and make the system inoperable.

How to fix

Update your system up to the latest version

Advisory status

13.01.2012 - Vendor is notified 
13.01.2012 - Vendor gets vulnerability details
12.04.2012 - Vendor releases fixed version and details
20.09.2013 - Public disclosure

Credits

The vulnerability was detected by Kirill Mosolov, Maxim Tsoy, Positive Research Center (Positive Technologies Company)

References

http://en.securitylab.ru/lab/PT-2012-01

Reports on the vulnerabilities previously discovered by Positive Research:

http://www.ptsecurity.com/research/advisory/
http://en.securitylab.ru/lab/

Threatscape