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Category:   Device (Router/Bridge/Hub)  >   Cisco IOS Vendors:   Cisco
Cisco IOS XR SSH Connection Termination Flaw Lets Remote Authenticated Users Deny Service
SecurityTracker Alert ID:  1032661
SecurityTracker URL:  http://securitytracker.com/id/1032661
CVE Reference:   CVE-2015-4195   (Links to External Site)
Date:  Jun 19 2015
Impact:   Denial of service via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): IOS XR 5.1.1.K9SEC; possibly other versions
Description:   A vulnerability was reported in Cisco IOS XR. A remote authenticated user can cause denial of service conditions on the target system.

A remote authenticated user can disconnect their SSH connection to cause the vty to become unreachable, causing subsequent SSH or Telnet connections to the device to fail.

The vendor has assigned bug ID CSCul63127 to this vulnerability.

Impact:   A remote authenticated user can cause subsequent SSH or Telnet connections to the device to fail.
Solution:   The vendor has issued a fix.

The vendor's advisory is available at:

http://tools.cisco.com/security/center/viewAlert.x?alertId=39402

Vendor URL:  tools.cisco.com/security/center/viewAlert.x?alertId=39402 (Links to External Site)
Cause:   State error

Message History:   None.


 Source Message Contents



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