CVE-2019-9501
Last modified
CVE-2019-9501 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. 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. EPSS estimates a 2.93% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Synology | Router Manager | 1.2 |
| Broadcom | Bcm4339 Firmware | All versions |
References
- https://blog.quarkslab.com/reverse-engineering-broadcom-wireless-chipsets.htmlExploit, Third Party Advisory
- https://kb.cert.org/vuls/id/166939/Third Party Advisory, US Government Resource
- https://blog.quarkslab.com/reverse-engineering-broadcom-wireless-chipsets.htmlExploit, Third Party Advisory
- https://kb.cert.org/vuls/id/166939/Third Party Advisory, US Government Resource
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
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