Cisco IOS XE Software NAT SIP Application Layer Gateway DoS Vulnerability (cisco-sa-20180926-sip-alg)

High Nessus Plugin ID 117954

Synopsis

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

Description

According to its self-reported version, the IOS XE is affected by one or more vulnerabilities. Please see the included Cisco BIDs and the Cisco Security Advisory for more information.

Solution

Upgrade to the relevant fixed version referenced in Cisco bug ID(s) CSCvg89036.

See Also

http://www.nessus.org/u?d523ce4b

https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvg89036

Plugin Details

Severity: High

ID: 117954

File Name: cisco-sa-20180926-sip-alg.nasl

Version: 1.2

Type: local

Family: CISCO

Published: 2018/10/05

Modified: 2018/10/05

Dependencies: 67217

Risk Information

Risk Factor: High

CVSS Score Source: CVE-2018-0476

CVSS Score Rationale: Based on vendor provided score.

CVSS v2.0

Base Score: 7.8

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

CVSS v3.0

Base Score: 8.6

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

Vulnerability Information

CPE: cpe:/o:cpe:/o:cisco:ios_xe

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

Patch Publication Date: 2018/09/26

Vulnerability Publication Date: 2018/09/26

Reference Information

CVE: CVE-2018-0476

CISCO-BUG-ID: CSCvg89036

CISCO-SA: cisco-sa-20180926-sip-alg

IAVA: 2018-A-0313