The HTTP client in Cisco IOS 12.4 and 15.0 allows user-assisted remote attackers to cause a denial of service (device crash) via a malformed HTTP response to a request for service installation, aka Bug ID CSCts12249.Referenceshttp://tools.cisco.com/security/center/viewAlert.x?alertId=24436http://www.securitytracker.com/id?1027005