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Cisco IOS Software DHCPv6 DoS (cisco-sa-20140924-dhcpv6)

high Nessus Plugin ID 78029

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Synopsis

The remote device is missing a vendor-supplied security patch.

Description

According to its self-reported version, the version of Cisco IOS running on the remote host is affected by a denial of service vulnerability in the DHCP version 6 (DHCPv6) implementation due to improper handling of DHCPv6 packets. A remote attacker can exploit this issue by sending specially crafted DHCPv6 packets to the link-scoped multicast address (ff02::1:2) and the IPv6 unicast address.

Solution

Apply the relevant patch referenced in Cisco Security Advisory cisco-sa-20140924-dhcpv6.

See Also

http://www.nessus.org/u?942aeed1

https://tools.cisco.com/security/center/viewAlert.x?alertId=35609

https://tools.cisco.com/bugsearch/bug/CSCum90081

Plugin Details

Severity: High

ID: 78029

File Name: cisco-sa-20140924-dhcpv6.nasl

Version: 1.10

Type: local

Family: CISCO

Published: 10/2/2014

Updated: 11/15/2018

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 5.8

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C

Vulnerability Information

CPE: cpe:/o:cisco:ios

Required KB Items: Host/Cisco/IOS/Version

Exploit Ease: No known exploits are available

Patch Publication Date: 9/24/2014

Vulnerability Publication Date: 9/24/2014

Reference Information

CVE: CVE-2014-3359

BID: 70140

CISCO-SA: cisco-sa-20140924-dhcpv6

CISCO-BUG-ID: CSCum90081