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

CRITICAL
(9.0) (AV:N/AC:L/Au:N/C:C/I:C/A:C)

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(PT-2012-01) Positive Technologies Security Advisory
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/

About Positive Technologies

Positive Technologies www.ptsecurity.com is among the key players in the IT security market in Russia.

The principal activities of the company include the development of integrated tools for information security monitoring (MaxPatrol); providing IT security consulting services and technical support; development of the Securitylab leading Russian information security portal.

Among the clients of Positive Technologies, there are more than 40 state enterprises, more than 50 banks and financial organizations, 20 telecommunication companies, more than 40 plant facilities, as well as IT, service and retail companies from Russia, the CIS countries, the Baltic States, China, Ecuador, Germany, Great Britain, Holland, Iran, Israel, Japan, Mexico, the Republic of South Africa, Thailand, Turkey, and the USA.

Positive Technologies is a team of highly skilled developers, advisers and experts with years of vast hands-on experience. The company specialists possess professional titles and certificates; they are the members of various international societies and are actively involved in the IT security field development.

Identifier:
CVE-2012-3907
Vendor:
Cisco
Vulnerable product:
Cisco Identity Services Engine 1.0.4.x

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