Cisco IOS XE DHCPv6 Relay Message Handling DoS (cisco-sa-20160323-dhcpv6)

high Nessus Plugin ID 90354

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Synopsis

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

Description

According to its self-reported version, the Cisco IOS XE software running on the remote device is affected by a denial of service vulnerability in the DHCPv6 Relay feature due to improper validation of DHCPv6 relay messages. An unauthenticated, remote attacker can exploit this issue, via a crafted DHCPv6 relay message, to cause the device to reload.

Solution

Upgrade to the relevant fixed version referenced in Cisco bug ID CSCus55821.

Plugin Details

Severity: High

ID: 90354

File Name: cisco-sa-20160323-dhcpv6-iosxe.nasl

Version: 1.10

Type: local

Family: CISCO

Published: 4/6/2016

Updated: 11/20/2019

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

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

CVSS Score Source: CVE-2016-1348

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:cisco:ios_xe

Required KB Items: Host/Cisco/IOS-XE/Version

Exploit Ease: No known exploits are available

Patch Publication Date: 3/23/2016

Vulnerability Publication Date: 3/23/2016

Reference Information

CVE: CVE-2016-1348

CISCO-SA: cisco-sa-20160323-dhcpv6

CISCO-BUG-ID: CSCus55821

Detections

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