Fedora 25 : 1:wpa_supplicant (2017-12e76e8364) (KRACK)

Medium Nessus Plugin ID 103884

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-2017-12e76e8364

https://www.krackattacks.com/

Plugin Details

Severity: Medium

ID: 103884

File Name: fedora_2017-12e76e8364.nasl

Version: $Revision: 3.9 $

Type: local

Agent: unix

Published: 2017/10/18

Modified: 2018/02/02

Dependencies: 12634

Risk Information

Risk Factor: Medium

CVSSv2

Base Score: 5.8

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

CVSSv3

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:25

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

Patch Publication Date: 2017/10/16

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: 2017-12e76e8364

IAVA: 2017-A-0310