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Cisco Firepower 9000 Operating System Command Injection Vulnerability

Related Vulnerabilities: CVE-2015-6380  

A vulnerability in a user script supplied with Cisco Firepower 9000 could allow an authenticated, remote attacker to execute arbitrary commands on the underlying operating system with the privileges of the authenticated user. The script can be accessed via the web interface. The vulnerability is due to lack of input validation of the parameters passed to the user script. An attacker could exploit this vulnerability by authenticating to the device and crafting user input to specific script files to inject arbitrary commands. These commands are at the privilege level of the authenticated user. Cisco has not released software updates that address this vulnerability. There are no workarounds that address this vulnerability. This advisory is available at the following link: http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20151123-fire

Source

Summary

  • A vulnerability in a user script supplied with Cisco Firepower 9000 could allow an authenticated, remote attacker to execute arbitrary commands on the underlying operating system with the privileges of the authenticated user. The script can be accessed via the web interface.

    The vulnerability is due to lack of input validation of the parameters passed to the user script. An attacker could exploit this vulnerability by authenticating to the device and crafting user input to specific script files to inject arbitrary commands. These commands are at the privilege level of the authenticated user.

    Cisco has not released software updates that address this vulnerability. There are no workarounds that address this vulnerability.

    This advisory is available at the following link: http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20151123-fire

Affected Products

  • Vulnerable Products

    Cisco Firepower 9000 Series Switch release 1.1(1.160) is vulnerable.

    Products Confirmed Not Vulnerable

    No other Cisco products are currently known to be affected by this vulnerability.

Workarounds

  • There are no workarounds that address this vulnerability.

Fixed Software

  • When considering software upgrades, customers are advised to consult the Cisco Security Advisories and Responses archive at http://www.cisco.com/go/psirt and review subsequent advisories to determine exposure and a complete upgrade solution.

    In all cases, customers should ensure that the devices to be upgraded contain sufficient memory and confirm that current hardware and software configurations will continue to be supported properly by the new release. If the information is not clear, customers are advised to contact the Cisco Technical Assistance Center (TAC) or their contracted maintenance providers.

Exploitation and Public Announcements

  • The Cisco Product Security Incident Response Team (PSIRT) is not aware of any public announcements or malicious use of the vulnerability that is described in this advisory.

Cisco Security Vulnerability Policy

  • To learn about Cisco security vulnerability disclosure policies and publications, see the Security Vulnerability Policy. This document also contains instructions for obtaining fixed software and receiving security vulnerability information from Cisco.

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Revision History

  • Version Description Section Status Date
    1.0 Initial public release - Final 2015-November-23

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