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Vulnerability CVE-2019-9501
Published: 2020-02-03 Modified: 2020-02-04
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. |
Type:
CWE-787
CVSS2 => (AV:A/AC:L/Au:N/C:C/I:C/A:C)
CVSS Base Score |
Impact Subscore |
Exploitability Subscore |
8.3/10 |
10/10 |
6.5/10 |
Exploit range |
Attack complexity |
Authentication |
Adjacent network |
Low |
No required |
Confidentiality impact |
Integrity impact |
Availability impact |
Complete |
Complete |
Complete |
References: |
https://blog.quarkslab.com/reverse-engineering-broadcom-wireless-chipsets.html
https://kb.cert.org/vuls/id/166939/
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