Cisco IOS XE Software NAT DoS (cisco-sa-20160928-esp-nat)

high Nessus Plugin ID 130763

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Synopsis

The remote device is missing a vendor-supplied security patch

Description

According to its self-reported version, Cisco IOS XE Software is affected by a denial of service (DoS) vulnerability in the implementation of Network Address Translation (NAT) functionality due to improper handling of malformed ICMP packets by the affected software. An unauthenticated, remote attacker could exploit this, via sending crafted ICMP packets that require NAT processing by an affected device, to cause the device to reload repeatedly.

Please see the included Cisco BIDs and Cisco Security Advisory for more information.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Upgrade to the relevant fixed version referenced in Cisco bug ID CSCuw85853

Plugin Details

Severity: High

ID: 130763

File Name: cisco-sa-20160928-esp-nat.nasl

Version: 1.6

Type: local

Family: CISCO

Published: 11/12/2019

Updated: 1/8/2021

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-2016-6378

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: 9/28/2016

Vulnerability Publication Date: 10/5/2016

Reference Information

CVE: CVE-2016-6378

BID: 93200

CISCO-SA: cisco-sa-20160928-esp-nat

CISCO-BUG-ID: CSCuw85853

Detections

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