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Category:   Device (Router/Bridge/Hub)  >   Cisco IOS Vendors:   Cisco
Cisco IOS XR Resource Leak on Network Convergence System 6000 Series Routers Lets Remote Users Deny Service
SecurityTracker Alert ID:  1036295
SecurityTracker URL:
CVE Reference:   CVE-2016-1426   (Links to External Site)
Date:  Jul 13 2016
Impact:   Denial of service via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): IOS XR for Network Convergence System 6000 Series Routers
Description:   A vulnerability was reported in Cisco IOS XR on Cisco Network Convergence System 6000 routers. A remote user can consume excessive system timer resources and cause denial of service conditions on the target system.

A remote user can establish multiple Secure Shell (SSH), Secure Copy Protocol (SCP), and Secure FTP (SFTP) connections via IPv4 or IPv6 to the target system management interface to trigger a system timer resource leak and cause the target system to stop operating. The Router Processor on the target system will eventually reload.

The vendor has assigned bug ID CSCux76819 to this vulnerability.

Impact:   A remote user can cause the target system to stop functioning and the Route Processor (RP) on the target system to eventually reload.
Solution:   The vendor has issued a fix.

The vendor's advisory is available at:

Vendor URL: (Links to External Site)
Cause:   Resource error

Message History:   None.

 Source Message Contents

[Original Message Not Available for Viewing]

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