ID de Prueba:	1.3.6.1.4.1.25623.1.0.10984
Categoría:	CISCO
Título:	CSCdu81936
Resumen:	NOSUMMARY
Descripción:	Description: It is possible to send an Address Resolution Protocol (ARP) packet on a local broadcast interface (for example, Ethernet, cable, Token Ring, FDDI) which could cause a router or switch running specific versions of Cisco IOS® Software Release to stop sending and receiving ARP packets on the local router interface. This will in a short time cause the router and local hosts to be unable to send packets to each other. ARP packets received by the router for the router's own interface address but a different Media Access Control (MAC) address will overwrite the router's MAC address in the ARP table with the one from the received ARP packet. This was demonstrated to attendees of the Black Hat conference and should be considered to be public knowledge. This attack is only successful against devices on the segment local to the attacker or attacking host. This vulnerability is documented in Cisco Bug ID CSCdu81936. A local attacker may use this flaw to prevent your network from working properly. Solution : http://www.cisco.com/warp/public/707/IOS-arp-overwrite-vuln-pub.shtml Risk factor : High *** As Nessus solely relied on the banner of the remote host *** this might be a false positive
Referencia Cruzada:	BugTraq ID: 3547 Common Vulnerability Exposure (CVE) ID: CVE-2001-0895 http://www.securityfocus.com/bid/3547 CERT/CC vulnerability note: VU#399355 http://www.kb.cert.org/vuls/id/399355 Cisco Security Advisory: 20011115 Cisco IOS ARP Table Overwrite Vulnerability http://www.cisco.com/warp/public/707/IOS-arp-overwrite-vuln-pub.shtml http://www.osvdb.org/807 XForce ISS Database: cisco-arp-overwrite-table(7547) https://exchange.xforce.ibmcloud.com/vulnerabilities/7547
Copyright	This script is (C) 2002 Renaud Deraison

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