On Broadcom BCM4355C0 Wi-Fi chips 9.44.78.27.0.1.56, an attacker can trigger an information leak due to insufficient length validation, related to ICMPv6 router advertisement offloading.
http://packetstormsecurity.com/files/144461/Broadcom-ICMPv6-Information-Leak.html
https://bugs.chromium.org/p/project-zero/issues/detail?id=1300
https://support.apple.com/en-us/HT208112
https://support.apple.com/en-us/HT208113
Source: MITRE
Published: 2017-10-04
Updated: 2019-03-08
Type: CWE-200
Base Score: 5
Vector: AV:N/AC:L/Au:N/C:P/I:N/A:N
Impact Score: 2.9
Exploitability Score: 10
Severity: MEDIUM
Base Score: 7.5
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Impact Score: 3.6
Exploitability Score: 3.9
Severity: HIGH