CVE-2017-11121 Information

Description

On Broadcom BCM4355C0 Wi-Fi chips 9.44.78.27.0.1.56 and other chips properly crafted malicious over-the-air Fast Transition frames can potentially trigger internal Wi-Fi firmware heap and/or stack overflows leading to denial of service or other effects aka B-V2017061205.

CVSS Vector

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

Reference

http://packetstormsecurity.com/files/144329/Broadcom-802.11r-FT-Reassociation-Response-Overflows.html http://www.securityfocus.com/bid/100984 https://bugs.chromium.org/p/project-zero/issues/detail?id=1291 https://lists.apple.com/archives/security-announce/2017/Sep/msg00007.html https://lists.apple.com/archives/security-announce/2017/Sep/msg00009.html https://source.android.com/security/bulletin/2017-09-01 https://support.apple.com/en-us/HT208112 https://support.apple.com/en-us/HT208113 https://support.apple.com/HT208112 https://support.apple.com/HT208113

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

9.8