Detections
Analytics

Cisco Adaptive Security Appliance Software DHCPv6 Packet Handling DoS (cisco-sa-20160420-asa-dhcpv6)

high Nessus Plugin ID 90714

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Synopsis

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

Description

The remote Cisco Adaptive Security Appliance (ASA) device is affected by a denial of service vulnerability in the DHCPv6 relay feature due to improper validation of DHCPv6 packets. An unauthenticated, remote attacker can exploit this, via specially crafted DHCPv6 packets, to cause the device to reload.

Solution

Upgrade to the relevant fixed version referenced in Cisco bug ID CSCus23248. Alternatively, disable the DHCPv6 relay feature.

See Also

http://www.nessus.org/u?1ac65dfd

Plugin Details

Severity: High

ID: 90714

File Name: cisco-sa-20160420-asa-dhcpv6.nasl

Version: 1.8

Type: local

Family: CISCO

Published: 4/26/2016

Updated: 11/20/2019

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

CVSS Score Source: CVE-2016-1367

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:/a:cisco:adaptive_security_appliance_software

Required KB Items: Host/Cisco/ASA, Host/Cisco/ASA/model

Exploit Ease: No known exploits are available

Patch Publication Date: 4/20/2016

Vulnerability Publication Date: 4/20/2016

Reference Information

CVE: CVE-2016-1367