Cisco IOS XE ANI IPv6 Packets DoS (cisco-sa-20170320-aniipv6)

medium Nessus Plugin ID 97946

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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 XE software running on the remote device is affected by a denial of service vulnerability in the Autonomic Networking Infrastructure (ANI) component due to incomplete input validation of certain crafted IPv6 packets. An unauthenticated, remote attacker can exploit this issue, via specially crafted IPv6 packets, to cause the device to reload.

Note that this issue only affect devices with ANI enabled that have a reachable IPv6 interface.

Solution

Apply the relevant patch referenced in Cisco Security Advisory cisco-sa-20170320-aniipv6.

Plugin Details

Severity: Medium

ID: 97946

File Name: cisco-sa-20170320-aniipv6-iosxe.nasl

Version: 1.15

Type: combined

Family: CISCO

Published: 3/24/2017

Updated: 5/3/2024

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: High

Base Score: 7.1

Temporal Score: 5.3

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

CVSS Score Source: CVE-2017-3850

CVSS v3

Risk Factor: Medium

Base Score: 5.9

Temporal Score: 5.2

Vector: CVSS:3.0/AV:N/AC:H/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: 3/20/2017

Vulnerability Publication Date: 3/20/2017

Reference Information

CVE: CVE-2017-3850

BID: 96971

CISCO-SA: cisco-sa-20170320-aniipv6

CISCO-BUG-ID: CSCvc42729

Detections

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