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

Medium 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: Medium

ID: 720291

Family: SCADA

Published: 2019/09/05

Updated: 2019/09/30

Risk Information

Risk Factor: Medium

CVSS v2.0

Base Score: 5.8

Temporal Score: 4.3

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

Temporal Vector: CVSS2#E:U/RL:OF/RC:C

CVSS v3.0

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: 2017/10/26

Vulnerability Publication Date: 2017/10/26

Reference Information

CVE: CVE-2017-13082