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Category:   Device (Router/Bridge/Hub)  >   Cisco IOS Vendors:   Cisco
Cisco IOS XR MSDP Processing Flaw Lets Remote Users Cause the Target Service to Restart
SecurityTracker Alert ID:  1038820
SecurityTracker URL:  http://securitytracker.com/id/1038820
CVE Reference:   CVE-2017-6731   (Links to External Site)
Date:  Jul 5 2017
Impact:   Denial of service via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 4.3.2.MCAST, 6.0.2.BASE
Description:   A vulnerability was reported in Cisco IOS XR. A remote user can cause the target service to restart.

A remote user can send a specially crafted ulticast Source Discovery Protocol (MSDP) packet for an established MSDP session to trigger an error handling bug and cause the target session to restart within a few seconds.

The vendor has assigned bug ID CSCvd94828 to this vulnerability.

Impact:   A remote user can cause the target service to restart.
Solution:   The vendor has issued a fix.

The vendor advisory is available at:

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170705-iosxr

Vendor URL:  tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170705-iosxr (Links to External Site)
Cause:   Exception handling error

Message History:   None.


 Source Message Contents

Subject:  https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170705-iosxr

 
 


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