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

Medium Nessus Plugin ID 106004


The remote Fedora host is missing a security update.


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.


Update the affected 1:wpa_supplicant package.

See Also



Plugin Details

Severity: Medium

ID: 106004

File Name: fedora_2017-f45e844a85.nasl

Version: Revision: 1.4

Type: local

Agent: unix

Published: 2018/01/15

Updated: 2018/02/02

Dependencies: 12634

Risk Information

Risk Factor: Medium

CVSS v2.0

Base Score: 5.8

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

CVSS v3.0

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: 2017/10/17

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