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Category:   Device (VoIP/Phone/FAX)  >   Cisco IP Phones Vendors:   Cisco
Cisco 8851 IP Phone SIP CANCEL Message Processing Bug Lets Remote Users Cause the Target Service to Crash
SecurityTracker Alert ID:  1038511
SecurityTracker URL:
CVE Reference:   CVE-2017-6630   (Links to External Site)
Date:  May 17 2017
Impact:   Denial of service via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): Model 8851; 11.0(0.1)
Description:   A vulnerability was reported in Cisco 8851 IP Phone. A remote user can cause the target service to be disrupted.

A remote user can send a specially crafted Session Initiation Protocol (SIP) CANCEL packet to cause phone service on the target phone to be disrupted.

The vendor has assigned bug ID CSCvc34795 to this vulnerability.

Impact:   A remote user can cause the target service to be disrupted.
Solution:   The vendor has issued a fix (11.0(0)MP2.100, 11.0(0)MP2.120, 11.0(0)MP2.153).

The vendor advisory is available at:

Vendor URL: (Links to External Site)
Cause:   Exception handling error

Message History:   None.

 Source Message Contents



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