Juniper ScreenOS 6.3 SSG-5 and SSG-20 (KRACK)

medium Nessus Plugin ID 105654

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VPR Score: 6

Synopsis

The device is vulnerable to key reinstallation attacks (KRACK).

Description

The version of Juniper ScreenOS installed on the remote host is affected by multiple vulnerabilities related to the KRACK attacks.
This may allow an attacker to decrypt, replay, and forge some frames on a WPA2 encrypted network.

Note that Juniper's products do not support Fast BSS Transition Reassociation and PeerKey Handshake so are Not Vulnerable to CVE-2017-13082, CVE-2017-13084, CVE-2017-13086, CVE-2017-13087, or CVE-2017-13088.

Solution

Disable all Wi-Fi configurations and refer to the vendor advisory for further solution and mitigation options.

Plugin Details

Severity: Medium

ID: 105654

File Name: screenos_jsa10827_krack.nasl

Version: 1.6

Type: local

Family: Firewalls

Published: 1/8/2018

Updated: 11/8/2019

Dependencies: screenos_version.nbin

Risk Information

Risk Factor: Medium

VPR Score: 6

CVSS Score Source: CVE-2017-13077

CVSS v2.0

Base Score: 5.4

Temporal Score: 4

Vector: AV:A/AC:M/Au:N/C:P/I:P/A:P

Temporal Vector: E:U/RL:OF/RC:C

CVSS v3.0

Base Score: 6.8

Temporal Score: 5.9

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

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

Vulnerability Information

CPE: cpe:/o:juniper:screenos

Required KB Items: Host/Juniper/ScreenOS/Version

Exploit Ease: No known exploits are available

Patch Publication Date: 10/16/2017

Vulnerability Publication Date: 10/12/2017

Reference Information

CVE: CVE-2017-13077, CVE-2017-13078, CVE-2017-13079, CVE-2017-13080, CVE-2017-13081

BID: 101274

IAVA: 2017-A-0310