Test ID:	1.3.6.1.4.1.25623.1.0.107063
Category:	CISCO
Title:	Cisco IOS Software TCP Denial of Service Vulnerability
Summary:	A vulnerability in the handling of remote TCP connections in Cisco IOS and Cisco IOS XE Software; could allow an unauthenticated, remote attacker to cause a partial denial of service (DoS) condition; due to low memory.;; The vulnerability is due to the handling of out-of-order, or otherwise invalid, TCP packets on a; remote connection to an affected device. An attacker could exploit this vulnerability by connecting; to the device and then sending crafted TCP packets that are out of order or have invalid flags. An; exploit could allow the attacker to cause the device to report low-memory warnings, which could in; turn cause a partial DoS condition. This vulnerability was initially found for Secure Shell Host; (SSH) remote connections, but it could also affect other remote connections to the device.;; Cisco will release software updates that address this vulnerability. There are no workarounds that; address this vulnerability.
Description:	Summary: A vulnerability in the handling of remote TCP connections in Cisco IOS and Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause a partial denial of service (DoS) condition due to low memory. The vulnerability is due to the handling of out-of-order, or otherwise invalid, TCP packets on a remote connection to an affected device. An attacker could exploit this vulnerability by connecting to the device and then sending crafted TCP packets that are out of order or have invalid flags. An exploit could allow the attacker to cause the device to report low-memory warnings, which could in turn cause a partial DoS condition. This vulnerability was initially found for Secure Shell Host (SSH) remote connections, but it could also affect other remote connections to the device. Cisco will release software updates that address this vulnerability. There are no workarounds that address this vulnerability. Solution: See the referenced vendor advisory for a solution. CVSS Score: 5.0 CVSS Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P
Cross-Ref:	Common Vulnerability Exposure (CVE) ID: CVE-2015-6289 BugTraq ID: 91322 http://www.securityfocus.com/bid/91322 Cisco Security Advisory: 20160620 Cisco Integrated Services Routers OpenSSH TCP Denial of Service Vulnerability http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160620-isr http://www.securitytracker.com/id/1036141
Copyright	Copyright (C) 2016 Greenbone AG

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