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Category:   Device (Router/Bridge/Hub)  >   Cisco IOS Vendors:   Cisco
Cisco IOS XE SNMP Race Condition Lets Remote Authenticated Users Cause the Target System to Restart
SecurityTracker Alert ID:  1038328
SecurityTracker URL:  http://securitytracker.com/id/1038328
CVE Reference:   CVE-2017-6615   (Links to External Site)
Date:  Apr 20 2017
Impact:   Denial of service via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): XE 15.5(3)S2.1
Description:   A vulnerability was reported in Cisco IOS XE. A remote authenticated user can cause the target system to restart.

A remote authenticated user can send a specially crafted SNMP read request when an active crypto session is disconnected on the target system to trigger a memory access error and cause the target system to restart.

The vendor has assigned bug ID CSCvb94392 to this vulnerability.

Impact:   A remote authenticated user can cause the target system 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-20170419-ios-xe-snmp

Vendor URL:  tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170419-ios-xe-snmp (Links to External Site)
Cause:   Access control error, State error

Message History:   None.


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