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Category:   Application (VoIP)  >   Cisco Unified Communications Manager (CallManager) Vendors:   Cisco
Cisco Unified Communications Manager Bug in Trust Verification Service Lets Remote Users Deny Service
SecurityTracker Alert ID:  1039286
SecurityTracker URL:  http://securitytracker.com/id/1039286
CVE Reference:   CVE-2017-6791   (Links to External Site)
Date:  Sep 7 2017
Impact:   Denial of service via network
Fix Available:  Yes  Vendor Confirmed:  Yes  

Description:   A vulnerability was reported in Cisco Unified Communications Manager. A remote user can cause denial of service conditions on the target system.

A remote user can send specially crafted incomplete streams to trigger a TLS processing flaw in the Trust Verification Service (TVS) and prevent access to the TVS. A service restart is required to return the service to normal operations.

The vendor has assigned bug ID CSCux21905 to this vulnerability.

Impact:   A remote user can cause denial of service conditions on the target Trust Verification Service (TVS).
Solution:   The vendor has issued a fix.

The vendor advisory is available at:

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170906-ucm

Vendor URL:  tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170906-ucm (Links to External Site)
Cause:   State error

Message History:   None.


 Source Message Contents

Subject:  https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170906-ucm

 
 


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