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Category:   Device (Firewall)  >   Cisco Firewall Services Module Vendors:   Cisco
Cisco Firewall Service Module Lets Remote Users Deny Service and Local Users Gain Elevated Privileges
SecurityTracker Alert ID:  1029163
SecurityTracker URL:  http://securitytracker.com/id/1029163
CVE Reference:   CVE-2013-5506, CVE-2013-5508   (Links to External Site)
Date:  Oct 9 2013
Impact:   Denial of service via network, Disclosure of system information, Modification of system information
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): prior to versions 3.2(27), 4.1(14)
Description:   Two vulnerabilities were reported in Cisco Firewall Service Module. A local user can obtain elevated privileges on the target system. A remote user can cause denial of service conditions.

A local unprivileged user can invoke certain administrative commands to delete, modify, or view the configuration of any other context of the affected system [CVE-2013-5506].

The vendor has assigned bug ID CSCue46080 to this vulnerability.

A remote user can send specially crafted segmented Transparent Network Substrate (TNS) packets through a target device to trigger a flaw in the SQL*Net inspection engine code and cause the device to reload [CVE-2013-5508].

The vendor has assigned bug ID CSCui34914 to this vulnerability.

Impact:   A remote user can cause the target device to reload.

A local user can delete, modify, or view the configuration of other contexts on the system.

Solution:   The vendor has issued a fix (3.2(27), 4.1(14)).

The vendor's advisory is available at:

http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20131009-fwsm

Vendor URL:  tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20131009-fwsm (Links to External Site)
Cause:   Access control error, Input validation error

Message History:   None.


 Source Message Contents

Subject:  Cisco Security Advisory: Multiple Vulnerabilities in Cisco Firewall Services Module Software

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA512

Cisco Security Advisory: Multiple Vulnerabilities in Cisco Firewall Services Module Software

Advisory ID: cisco-sa-20131009-fwsm

Revision 1.0

For Public Release 2013 October 9 16:00  UTC (GMT)

+---------------------------------------------------------------------

Summary
=======

Cisco Firewall Services Module (FWSM) Software for Cisco Catalyst 6500 Series Switches and Cisco 7600 Series Routers is affected by the following vulnerabilities:

    Cisco FWSM Command Authorization Vulnerability
    SQL*Net Inspection Engine Denial of Service Vulnerability

These vulnerabilities are independent of each other; a release that is affected by one of the vulnerabilities may not be affected by the other.

Successful exploitation of the Cisco FWSM Command Authorization Vulnerability may result in a complete compromise of the confidentiality, integrity and availability of the affected system. Successful exploitation of the SQL*Net Inspection Engine Denial of Service Vulnerability may result in a reload of an affected device, leading to a denial of service (DoS) condition.

Cisco has released free software updates that address these vulnerabilities. Workarounds that mitigate these vulnerabilities are available.

This advisory is available at the following link:

http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20131009-fwsm

Note: The Cisco Adaptive Security Appliance (ASA) may be affected by the SQL*Net Inspection Engine Denial of Service Vulnerability. A separate Cisco Security Advisory has been published to disclose the vulnerabilities that affect the Cisco ASA. That advisory is available at:

http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20131009-asa

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