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ESB-2015.2693 - [Virtual] Cisco FireSIGHT Management Center: Root compromise - Existing account

Date: 26 October 2015

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===========================================================================
             AUSCERT External Security Bulletin Redistribution

                               ESB-2015.2693
         Cisco FireSIGHT Management Center Policy Code for VMware
                    Privilege Escalation Vulnerability
                              26 October 2015

===========================================================================

        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           Cisco FireSIGHT Management Center
Publisher:         Cisco Systems
Operating System:  VMware ESX Server
Impact/Access:     Root Compromise -- Existing Account
Resolution:        Patch/Upgrade
CVE Names:         CVE-2015-6335  

Original Bulletin: 
   http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20151016-fmc

- --------------------------BEGIN INCLUDED TEXT--------------------

Cisco Security Advisory

Cisco FireSIGHT Management Center Policy Code for VMware Privilege Escalation
Vulnerability

Medium

Advisory ID:

cisco-sa-20151016-fmc

Published:

2015 October 19 10:00 GMT

Version 1.0:

Final

CVSS Score:

Base - 4.0

Workarounds:

No workarounds available

Cisco Bug IDs:

CSCuw12839

CVE-2015-6335

CWE-264

Summary

A vulnerability in the policy code of Cisco FireSIGHT Management Center 
for VMware could allow an authenticated, remote attacker to access the 
underlying Linux operating system with the privileges of the root user.

The vulnerability is due to insufficient sanitization of user-supplied 
input. An attacker could exploit this vulnerability by bypassing policy 
restrictions and executing commands on the underlying operating system. The 
user needs to log in to the device with valid administrator-level credentials.

Cisco has released software updates that address this vulnerability. 
Workarounds that mitigate this vulnerability are not available. This advisory
is available at the following link:

    
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20151016-fmc

Affected Products

    Vulnerable Products

    Cisco FireSIGHT Management Center for VMware versions 5.3.1.7, 5.4.0.4, 
    and 6.0.0 are vulnerable.

    Products Confirmed Not Vulnerable

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

Workarounds

    No workarounds are available.

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 upgrade 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.

Cisco customers with active contracts can obtain updates through the 
Software Center at the following link: Cisco. Cisco customers without 
contracts can obtain upgrades by contacting the Cisco Technical Assistance 
Center at 1-800-553-2447 or 1-408-526-7209 or via email at tac@cisco.com.

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.

URL

    
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20151016-fmc

Revision History

    Version Description Section Status Date

    1.0 Initial public release. Final 2015-October-19

Legal Disclaimer

THIS DOCUMENT IS PROVIDED ON AN "AS IS" BASIS AND DOES NOT IMPLY ANY KIND
OF GUARANTEE OR WARRANTY, INCLUDING THE WARRANTIES OF MERCHANTABILITY OR 
FITNESS FOR A PARTICULAR USE. YOUR USE OF THE INFORMATION ON THE DOCUMENT OR 
MATERIALS LINKED FROM THE DOCUMENT IS AT YOUR OWN RISK. CISCO RESERVES THE 
RIGHT TO CHANGE OR UPDATE THIS DOCUMENT AT ANY TIME.

A standalone copy or paraphrase of the text of this document that omits 
the distribution URL is an uncontrolled copy and may lack important 
information or contain factual errors. The information in this document is 
intended for end users of Cisco products.

- --------------------------END INCLUDED TEXT--------------------

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===========================================================================
Australian Computer Emergency Response Team
The University of Queensland
Brisbane
Qld 4072

Internet Email: auscert@auscert.org.au
Facsimile:      (07) 3365 7031
Telephone:      (07) 3365 4417 (International: +61 7 3365 4417)
                AusCERT personnel answer during Queensland business hours
                which are GMT+10:00 (AEST).
                On call after hours for member emergencies only.
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