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Category:   Device (Router/Bridge/Hub)  >   Cisco NX-OS Vendors:   Cisco
Cisco NX-OS CLI Parser Bug Lets Local Users Gain Elevated Privileges
SecurityTracker Alert ID:  1039938
SecurityTracker URL:  http://securitytracker.com/id/1039938
CVE Reference:   CVE-2017-12339   (Links to External Site)
Date:  Nov 30 2017
Impact:   Execution of arbitrary code via local system, User access via local system
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 2000, 3000, 5000, 5500, 5600, 6000, 7000, 7700, 9000, 9500 R Series
Description:   A vulnerability was reported in Cisco NX-OS. A local user can obtain elevated privileges on the target system.

A local user can supply specially crafted command parameters via the command line interface (CLI) to trigger an input validation flaw and execute arbitrary commands on the target system.

The following Nexus series devices are affected:

2000 Series Fabric Extenders
3000 Series Switches
5000 Series Switches
5500 Platform Switches
5600 Platform Switches
6000 Series Switches
7000 Series Switches
7700 Series Switches
9000 Series Switches in standalone NX-OS mode
9500 R-Series Line Cards and Fabric Modules

The vendor has assigned bug IDs CSCve99925, CSCvf15164, CSCvf15167, CSCvf15170, and CSCvf15173 to this vulnerability.

This vulnerability was found during internal security testing.

Impact:   A local user can obtain elevated privileges on the target system.
Solution:   The vendor has issued a fix.

The vendor advisory is available at:

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20171129-nxos7

Vendor URL:  tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20171129-nxos7 (Links to External Site)
Cause:   Input validation error

Message History:   None.


 Source Message Contents

Subject:  https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20171129-nxos7

 
 


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