SARA / Free Tools / CVE / CVE-2019-9500

CVE-2019-9500 — The Broadcom brcmfmac WiFi driver prior to commit 1b5e2423164b3670e8bc9174e4762d

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 brc

CVSS
7.9 HIGH
EPSS
3.47% (top 12.60%)
CWE
CWE-122
Published
2020-01-16T20:35:18.000Z
Last modified
2024-08-04T21:54:44.139Z
CVSS vector
CVSS:3.1/AV:A/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H

01What is this vulnerability?

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…

02Affected products

VendorProductVersions
Broadcombrcmfmac WiFi drivercommit prior to 1b5e2423164b3670e8bc9174e4762d297990deff

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

09References

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