Cisco IOS NTP Subsystem Unauthorized Access (cisco-sa-20160419-ios)

high Nessus Plugin ID 90861

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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 software running on the remote device is affected by an unauthorized access vulnerability in the NTP subsystem due to a failure to check the authorization of certain NTP packets. An unauthenticated, remote attacker can exploit this issue, via specially crafted NTP packets, to control the time of the remote device.

Solution

Upgrade to the relevant fixed version referenced in Cisco bug ID CSCux46898.

Plugin Details

Severity: High

ID: 90861

File Name: cisco-sa-20160419-ntp-ios.nasl

Version: 1.10

Type: combined

Family: CISCO

Published: 5/3/2016

Updated: 12/1/2020

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

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

CVSS Score Source: CVE-2016-1384

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:H/A:N

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

Vulnerability Information

CPE: cpe:/o:cisco:ios

Required KB Items: Host/Cisco/IOS/Version

Exploit Ease: No known exploits are available

Patch Publication Date: 4/19/2016

Vulnerability Publication Date: 4/19/2016

Reference Information

CVE: CVE-2016-1384

CISCO-SA: cisco-sa-20160419-ios

CISCO-BUG-ID: CSCux46898

Detections

Analytics