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Fedora 27 : 1:wpa_supplicant (2017-f45e844a85) (KRACK)

high Nessus Plugin ID 106004

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Synopsis

The remote Fedora host is missing a security update.

Description

Fix the for the Key Reinstallation Attacks ==========================================

 - hostapd: Avoid key reinstallation in FT handshake (CVE-2017-13082)

 - Fix PTK rekeying to generate a new ANonce

 - Prevent reinstallation of an already in-use group key and extend protection of GTK/IGTK reinstallation of WNM-Sleep Mode cases (CVE-2017-13078, CVE-2017-13079, CVE-2017-13080, CVE-2017-13081, CVE-2017-13087, CVE-2017-13088)

 - Prevent installation of an all-zero TK

 - TDLS: Reject TPK-TK reconfiguration

 - WNM: Ignore WNM-Sleep Mode Response without pending request

 - FT: Do not allow multiple Reassociation Response frames

Upstream advisory:
https://w1.fi/security/2017-1/wpa-packet-number-reuse-with-replayed-me ssages.txt

Details and the paper: https://www.krackattacks.com/

Note that Tenable Network Security has extracted the preceding description block directly from the Fedora update system website.
Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

Solution

Update the affected 1:wpa_supplicant package.

See Also

https://bodhi.fedoraproject.org/updates/FEDORA-2017-f45e844a85

https://www.krackattacks.com/

Plugin Details

Severity: High

ID: 106004

File Name: fedora_2017-f45e844a85.nasl

Version: 1.7

Type: local

Agent: unix

Published: 1/15/2018

Updated: 1/6/2021

Supported Sensors: Agentless Assessment, Continuous Assessment, Frictionless Assessment Agent, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.0

CVSS v2

Risk Factor: Medium

Base Score: 5.8

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

CVSS v3

Risk Factor: High

Base Score: 8.1

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

Vulnerability Information

CPE: p-cpe:/a:fedoraproject:fedora:1:wpa_supplicant, cpe:/o:fedoraproject:fedora:27

Required KB Items: Host/local_checks_enabled, Host/RedHat/release, Host/RedHat/rpm-list

Patch Publication Date: 10/17/2017

Vulnerability Publication Date: 10/17/2017

Reference Information

CVE: CVE-2017-13077, CVE-2017-13078, CVE-2017-13079, CVE-2017-13080, CVE-2017-13081, CVE-2017-13082, CVE-2017-13087, CVE-2017-13088

FEDORA: 2017-f45e844a85

IAVA: 2017-A-0310