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Category:   Device (Router/Bridge/Hub)  >   Cisco ASR Router Vendors:   Cisco
Cisco ASR 9000 Series Router vty Session Closing Bug Lets Local Users Consume Excessive Memory Resources
SecurityTracker Alert ID:  1033259
SecurityTracker URL:  http://securitytracker.com/id/1033259
CVE Reference:   CVE-2015-4277   (Links to External Site)
Date:  Aug 12 2015
Impact:   Denial of service via local system
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): ASR 9000 Series; 5.1.3, 5.3.0
Description:   A vulnerability was reported in Cisco ASR 9000 Series Routers. A local user can consume excessive memory on the target system.

A local user can exploit a flaw in the closing of vty sessions to create an excessive number of 'tmp/*config' files and consume excessive memory resources on the system. As a result, the system will become unresponsive.

The vendor has assigned bug ID CSCut93842 to this vulnerability.

Impact:   A local user can consume excessive memory resources to cause the target system to become unresponsive.
Solution:   The vendor has issued a fix.

The vendor's advisory is available at:

http://tools.cisco.com/security/center/viewAlert.x?alertId=39939

Vendor URL:  tools.cisco.com/security/center/viewAlert.x?alertId=39939 (Links to External Site)
Cause:   Resource error

Message History:   None.


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