Published on January 19th, 2020 📆 | 6195 Views ⚑0
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
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Class: Memory corruption / Heap-based (CWE-122)
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒
0-Day unlock unlock unlock unlock Today unlock unlock unlock unlock
0-Day Time: 🔒
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
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