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Category:   Device (Router/Bridge/Hub)  >   Cisco NX-OS Vendors:   Cisco
Cisco Nexus 9000 Series Lets Remote Users Cause the Target Login Service to Crash
SecurityTracker Alert ID:  1038046
SecurityTracker URL:  http://securitytracker.com/id/1038046
CVE Reference:   CVE-2017-3879   (Links to External Site)
Date:  Mar 15 2017
Impact:   Denial of service via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 9000 Series
Description:   A vulnerability was reported in Cisco Nexus 9000 Series switches. A remote user can cause the target login service to crash.

A remote user can send specially crafted data to the target telnet or SSH login service to cause the target service to reload.

Traffic flowing through the device is not affected.

The vendor has assigned bug ID CSCuy25824 to this vulnerability.

Impact:   A remote user can cause the target service to crash.
Solution:   The vendor has issued a fix (7.0(3)I3(1), 8.3(0)CV(0.342), 8.3(0)CV(0.345)).

The vendor advisory is available at:

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170315-nss1

Vendor URL:  tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170315-nss1 (Links to External Site)
Cause:   Input validation error

Message History:   None.


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