CVE-2015-0607 Information

Description

The Authentication Proxy feature in Cisco IOS does not properly handle invalid AAA return codes from RADIUS and TACACS+ servers which allows remote attackers to bypass authentication in opportunistic circumstances via a connection attempt that triggers an invalid code as demonstrated by a connection attempt with a blank password aka Bug IDs CSCuo09400 and CSCun16016.

Reference

http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2015-0607 http://tools.cisco.com/security/center/viewAlert.x?alertId=37711 http://www.securityfocus.com/bid/72794 http://www.securitytracker.com/id/1031817