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Cisco Security Advisory: Cisco IOx Data in Motion Stack Overflow Vulnerability

Advisory ID: cisco-sa-20170322-iox

Revision: 1.0

For Public Release: 2017 March 22 16:00 GMT

Last Updated: 2017 March 22 16:00 GMT

CVE ID(s): CVE-2017-3853

CVSS Score v(3): 9.8 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

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Summary
=======
A vulnerability in the Data-in-Motion (DMo) process installed with the Cisco 
IOx application environment could allow an unauthenticated, remote attacker to 
cause a stack overflow that could allow remote code execution with root 
privileges in the virtual instance running on an affected device.

The vulnerability is due to insufficient bounds checking in the DMo process. An 
attacker could exploit this vulnerability by sending crafted packets that are 
forwarded to the DMo process for evaluation. The impacts of a successful 
exploit are limited to the scope of the virtual instance and do not impact the 
router that is hosting Cisco IOx.

Cisco has released software updates that address this vulnerability. There are 
no workarounds that address this vulnerability.

This advisory is available at the following link:
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170322-iox
 
["https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170322-iox";]

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