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Category:   Device (Router/Bridge/Hub)  >   Cisco IOS Vendors:   Cisco
Cisco IOS XR LPTS Frame Validation Flaw Lets Remote Users Cause the Target Service to Reload
SecurityTracker Alert ID:  1039927
SecurityTracker URL:
CVE Reference:   CVE-2017-12355   (Links to External Site)
Date:  Nov 30 2017
Impact:   Denial of service via network
Fix Available:  Yes  Vendor Confirmed:  Yes  

Description:   A vulnerability was reported in Cisco IOS. A remote user can cause the target service to reload.

A remote user can send a specially crafted Local Packet Transport Services (LPTS) frame to trigger a frame validation flaw in IOS XR and cause one of the LPTS processes to restart, interrupting LPTS traffic while the process restarts.

The vendor has assigned bug ID CSCvf76332 to this vulnerability.

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

The vendor advisory is available at:

Vendor URL: (Links to External Site)
Cause:   Input validation error

Message History:   None.

 Source Message Contents



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