Broadcom brcmfmac WiFi Driver Wake-up on Wireless LAN brcmf_wowl_nd_results WiFi Packet memory corruption – Digitalmunition

Exploit/Advisories Cybersecurity study of the dark web exposes vulnerability to machine identities -- ScienceDaily

Published on January 19th, 2020 📆 | 6195 Views ⚑


Broadcom brcmfmac WiFi Driver Wake-up on Wireless LAN brcmf_wowl_nd_results WiFi Packet memory corruption

CVSS Meta Temp Score

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Current Exploit Price (≈)

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CTI Interest Score

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A vulnerability, which was classified as critical, has been found in Broadcom brcmfmac WiFi Driver (Hardware Driver Software) (unknown version). This issue affects the function brcmf_wowl_nd_results of the component Wake-up on Wireless LAN. The manipulation as part of a WiFi Packet leads to a memory corruption vulnerability (Heap-based). Using CWE to declare the problem leads to CWE-122. Impacted is confidentiality, integrity, and availability.

The bug was discovered 04/17/2019. The weakness was disclosed 01/16/2020. The identification of this vulnerability is CVE-2019-9500 since 03/01/2019. The exploitation is known to be difficult. The attack can only be done within the local network. No form of authentication is needed for a successful exploitation. Technical details of the vulnerability are known, but there is no available exploit.

The vulnerability was handled as a non-public zero-day exploit for at least 274 days. During that time the estimated underground price was around $0-$5k.

Applying the patch 1b5e2423164b3670e8bc9174e4762d297990deff is able to eliminate this problem.

The entry 149088 is pretty similar.




VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.2

VulDB Base Score: 7.1
VulDB Temp Score: 6.8
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 7.9
NVD Vector: 🔒


VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Class: Memory corruption / Heap-based (CWE-122)
Local: No
Remote: Partially

Availability: 🔒
Status: Not defined

Price Prediction: 🔍
Current Price Estimation: 🔒

Threat Intelligenceinfoedit

Threat: 🔍
Adversaries: 🔍
Geopolitics: 🔍
Economy: 🔍
Predictions: 🔍
Remediation: 🔍Recommended: Patch
Status: 🔍

0-Day Time: 🔒

Patch: 1b5e2423164b3670e8bc9174e4762d297990deff

03/01/2019 CVE assigned
04/17/2019 +47 days Vulnerability found
01/16/2020 +274 days Advisory disclosed
01/17/2020 +1 days VulDB entry created
01/17/2020 +0 days VulDB last update
CVE: CVE-2019-9500 (🔒)
OSVDB: – Broadcom brcmfmac driver buffer overflow

See also: 🔒

Created: 01/17/2020 07:02 AM
Complete: 🔍


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