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Category:   Application (Generic)  >   Cisco WebEx Meetings Server Vendors:   Cisco, WebEx
Cisco WebEx Meetings Server Input Validation Flaw in libSRTP Lets Remote Users Cause Denial of Service Conditions
SecurityTracker Alert ID:  1035648
SecurityTracker URL:  http://securitytracker.com/id/1035648
CVE Reference:   CVE-2015-6360   (Links to External Site)
Date:  Apr 21 2016
Impact:   Denial of service via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 1.x, 2.x
Description:   A vulnerability was reported in Cisco WebEx Meetings Server. A remote user can cause denial of service conditions.

A remote user can send a specially crafted Secure Real-Time Transport Protocol (SRTP) packet to trigger an integer underflow in the encryption processing subsystem of the SRTP library (libSRTP) and cause denial of service conditions.

The vendor has assigned bug ID CSCux00729 to this vulnerability.

Systems configured for secure teleconferencing and with SRTP teleconferencing encryption enabled are affected.

Other Cisco products are affected.

Randell Jesup with the Mozilla team reported this vulnerability.

Impact:   A remote user can cause denial of service conditions.
Solution:   The vendor plans to issue a fix (2.6.1, 2.7; June 2016).

The vendor's advisory is available at:

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160420-libsrtp

Vendor URL:  tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160420-libsrtp (Links to External Site)
Cause:   Input validation error

Message History:   None.


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