CVE-2019-9500 — Heap-based Buffer Overflow in Brcmfmac Wifi Driver
Severity
8.3HIGHNVD
NVD3.1OSV5.6
EPSS
3.3%
top 12.78%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedJan 16
Latest updateOct 1
Description
The Broadcom brcmfmac WiFi driver prior to commit 1b5e2423164b3670e8bc9174e4762d297990deff is vulnerable to a heap buffer overflow. If the Wake-up on Wireless LAN functionality is configured, a malicious event frame can be constructed to trigger an heap buffer overflow in the brcmf_wowl_nd_results function. This vulnerability can be exploited with compromised chipsets to compromise the host, or when used in combination with CVE-2019-9503, can be used remotely. In the worst case scenario, by send…
CVSS vector
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:HExploitability: 1.6 | Impact: 6.0
Affected Packages8 packages
Patches
🔴Vulnerability Details
7GHSA▶
GHSA-6jhq-h73f-x439: The Broadcom brcmfmac WiFi driver prior to commit 1b5e2423164b3670e8bc9174e4762d297990deff is vulnerable to a heap buffer overflow↗2022-05-24
OSV▶
CVE-2019-9500: The Broadcom brcmfmac WiFi driver prior to commit 1b5e2423164b3670e8bc9174e4762d297990deff is vulnerable to a heap buffer overflow↗2020-01-16
📋Vendor Advisories
8Red Hat▶
linux-firmware: Transmission of data encrypted with an all-zero session key after disassociation↗2020-02-05