Rockwell Automation Stratix 5100 Wireless Access Point and Workgroup Bridge < 15.4 Reusing a Nonce (ICSA-17-299-02)

high Nessus Network Monitor Plugin ID 720291

Synopsis

Rockwell Automation Stratix 5100 Wireless Access Point and Workgroup Bridge &lt; 15.4 may allow a remote attacker to operate as a "man-in-the-middle" between the device and the wireless network.

Description

Wi-Fi Protected Access (WPA and WPA2) that supports IEEE 802.11r allows reinstallation of the Pairwise Transient Key (PTK) Temporal Key (TK) during the fast BSS transmission (FT) handshake, allowing an attacker within radio range to replay, decrypt, or spoof frames.

Solution

Perform vendor recommended mitigations and apply available vendor upgrades.

See Also

https://www.us-cert.gov/ics/advisories/ICSA-17-299-02

Plugin Details

Severity: High

ID: 720291

Family: SCADA

Published: 9/5/2019

Updated: 9/30/2019

Risk Information

VPR

Risk Factor: Medium

Score: 6.0

CVSS v2

Risk Factor: Medium

Base Score: 5.8

Temporal Score: 4.3

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

CVSS v3

Risk Factor: High

Base Score: 8.1

Temporal Score: 7.1

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

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

Patch Publication Date: 10/26/2017

Vulnerability Publication Date: 10/26/2017

Reference Information

CVE: CVE-2017-13082