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CVE-2019-9501

HIGH
Published 2020-02-03T21:00:19
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Expert Analysis

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CVSS Score

V3.1
7.9
/10
CVSS:3.1/AV:A/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H
Base Score Metrics
Exploitability: N/A Impact: N/A

EPSS Score

v2025.03.14
0.031
probability
of exploitation in the wild

There is a 3.1% chance that this vulnerability will be exploited in the wild within the next 30 days.

Updated: 2025-06-25
Exploit Probability
Percentile: 0.861
Higher than 86.1% of all CVEs

Attack Vector Metrics

Attack Vector
ADJACENT_NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED

Impact Metrics

Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Description

The Broadcom wl WiFi driver is vulnerable to a heap buffer overflow. By supplying a vendor information element with a data length larger than 32 bytes, a heap buffer overflow is triggered in wlc_wpa_sup_eapol. In the worst case scenario, by sending specially-crafted WiFi packets, a remote, unauthenticated attacker may be able to execute arbitrary code on a vulnerable system. More typically, this vulnerability will result in denial-of-service conditions.

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

Affected Products

Broadcom

WiFi drivers

Affected Versions:

wl

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

⚠ Unreviewed HIGH

GHSA-vjw8-c937-7hwp

Advisory Details

The Broadcom wl WiFi driver is vulnerable to a heap buffer overflow. By supplying a vendor information element with a data length larger than 32 bytes, a heap buffer overflow is triggered in wlc_wpa_sup_eapol. In the worst case scenario, by sending specially-crafted WiFi packets, a remote, unauthenticated attacker may be able to execute arbitrary code on a vulnerable system. More typically, this vulnerability will result in denial-of-service conditions.

CVSS Scoring

CVSS Score

7.5

References

ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2019-9501
WEB https://blog.quarkslab.com/reverse-engineering-broadcom-wireless-chipsets.html
WEB https://kb.cert.org/vuls/id/166939

Advisory provided by GitHub Security Advisory Database. Published: May 24, 2022, Modified: May 24, 2022

Social Media Intelligence

Real-time discussions and threat intelligence from social platforms

1 post
Reddit • 5 days, 12 hours ago
IAmZenoix

[HELP] Broadcom STA Error when Rebuilding Flake Hi everyone, I am running NixOS 25.05 on my Macbook Air (Intel CPU) and when updating my flake and rebuilding my OS, I get the following error: error: Package ‘broadcom-sta-6.30.223.271-57-6.12.39’ in /nix/store/hxbzqr7lw1wfjj9havkpjp65031iq10p-source/pkgs/os-specific/linux/broadcom-sta/default.nix:103 is marked as insecure, refusing to evaluate. Known issues: - CVE-2019-9501: …

Also mentions: CVE-2019-9502
3
6.0
View Original

References

https://blog.quarkslab.com/reverse-engineering-broadcom-wireless-chipsets.html
https://kb.cert.org/vuls/id/166939/
Published: 2020-02-03T21:00:19
Last Modified: 2024-08-04T21:54:44.121Z
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