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ESB-2014.1252 - [Cisco] Cisco Unified Presence Server: Denial of service - Remote/unauthenticated

Date: 28 July 2014

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

                               ESB-2014.1252
          Cisco Unified Presence Server Sync Agent Vulnerability
                               28 July 2014

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

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

Product:           Cisco Unified Presence Server
Publisher:         Cisco Systems
Operating System:  Cisco
Impact/Access:     Denial of Service -- Remote/Unauthenticated
Resolution:        Patch/Upgrade
CVE Names:         CVE-2014-3328  

Original Bulletin: 
   http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2014-3328

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

Cisco Security Notice

Cisco Unified Presence Server Sync Agent Vulnerability

http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2014-3328

CVE ID: CVE-2014-3328

Release Date: 2014 July 25 15:32 UTC (GMT)

Last Updated: 2014 July 25 15:32 UTC (GMT)

Summary

A vulnerability in the Intercluster Sync Agent Service on Cisco Unified 
Presence Server could allow an unauthenticated, remote attacker to trigger a 
denial of service (DoS) condition.

The vulnerability is due to a SYN flood. An attacker could exploit this 
vulnerability by exceeding the tcp max connections parameter.

Affected Products

Product 			More Information CVSS 

Cisco Unified Presence Server 	CSCun34125	 5.0/4.8

What Is a Cisco Security Notice?

The Cisco Product Security Incident Response Team (PSIRT) publishes Cisco 
Security Notices to inform customers of low- to mid-level severity security 
issues involving Cisco products.

Customers who wish to upgrade to a software version that includes fixes for 
these issues should contact their normal support channels. Free software 
updates will not be provided for issues that are disclosed through a Cisco 
Security Notice.

For additional information about Cisco PSIRT publications, see the Cisco 
Security Vulnerability Policy at 
http://www.cisco.com/web/about/security/psirt/security_vulnerability_policy.html

Customers Using Third-Party Support Organizations

Customers may have Cisco products that are provided or maintained through 
prior or existing agreements with third-party support organizations, such as 
Cisco Partners, authorized resellers, or service providers. For these 
products, customers should consult their service providers or support 
organizations to ensure that any applied workaround or fix is the most 
appropriate in the intended network before it is deployed.

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 stand-alone 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.

- --------------------------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
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                AusCERT personnel answer during Queensland business hours
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                On call after hours for member emergencies only.
===========================================================================
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