Cisco IOS XE Software Smart Install DoS (cisco-sa-20180328-smi)

high Nessus Plugin ID 131323

Language:

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 Smart Install feature due to improper validation of packet data. An unauthenticated, remote attacker can exploit this by sending a crafted packet to an affected device on TCP port 4786 in order to cause the device to reload.

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(s) CSCvd40673.

Plugin Details

Severity: High

ID: 131323

File Name: cisco-sa-20180328-smi-iosxe.nasl

Version: 1.12

Type: combined

Family: CISCO

Published: 11/27/2019

Updated: 5/3/2024

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.1

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 6.4

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

CVSS Score Source: CVE-2018-0156

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 7

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:F/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:cisco:ios_xe

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 3/28/2018

Vulnerability Publication Date: 3/28/2018

CISA Known Exploited Vulnerability Due Dates: 3/17/2022

Reference Information

CVE: CVE-2018-0156

BID: 103569

CISCO-SA: cisco-sa-20180328-smi

CISCO-BUG-ID: CSCvd40673

Detections

Analytics