What is the severity of CVE-2017-6956?

CVE-2017-6956 has a critical severity rating due to the potential for remote code execution.

How do I fix CVE-2017-6956?

To fix CVE-2017-6956, update the Broadcom HardMAC Wi-Fi SoC firmware to version 6.37.34.40 or later.

What systems are affected by CVE-2017-6956?

CVE-2017-6956 affects Broadcom HardMAC Wi-Fi SoC firmware version 6.37.34.40.

Can CVE-2017-6956 be exploited remotely?

Yes, CVE-2017-6956 can be exploited remotely through a crafted access point.

What type of attack is described in CVE-2017-6956?

CVE-2017-6956 describes a stack buffer overflow that can lead to remote code execution.

Vulnerability/
CVE-2017-6956

high

8.8

CWE

119

5/4/2017

11/4/2017

CVE-2017-6956: Buffer Overflow

First published: Wed Apr 05 2017(Updated: )

On the Broadcom Wi-Fi HardMAC SoC with fbt firmware, a stack buffer overflow occurs when handling an 802.11r (FT) authentication response, leading to remote code execution via a crafted access point that sends a long R0KH-ID field in a Fast BSS Transition Information Element (FT-IE).

Credit: cve@mitre.org

Affected Software	Affected Version	How to fix
Broadcom Hardmac Wi-fi Soc Firmware	=6.37.34.40
Broadcom Wi-Fi chipsets

Never miss a vulnerability like this again

Reference Links

Frequently Asked Questions

What is the severity of CVE-2017-6956?
CVE-2017-6956 has a critical severity rating due to the potential for remote code execution.
How do I fix CVE-2017-6956?
To fix CVE-2017-6956, update the Broadcom HardMAC Wi-Fi SoC firmware to version 6.37.34.40 or later.
What systems are affected by CVE-2017-6956?
CVE-2017-6956 affects Broadcom HardMAC Wi-Fi SoC firmware version 6.37.34.40.
Can CVE-2017-6956 be exploited remotely?
Yes, CVE-2017-6956 can be exploited remotely through a crafted access point.
What type of attack is described in CVE-2017-6956?
CVE-2017-6956 describes a stack buffer overflow that can lead to remote code execution.

agent/references
agent/weakness
agent/severity
agent/author
agent/type
agent/event
agent/description
agent/tags
agent/last-modified-date
agent/softwarecombine
agent/first-publish-date
collector/nvd-index
agent/software-canonical-lookup-request
vendor/broadcom
canonical/broadcom hardmac wi-fi soc firmware
version/broadcom hardmac wi-fi soc firmware/6.37.34.40
canonical/broadcom wi-fi chipsets

Company

Resources

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co

By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.

Frequently Asked Questions

What is the severity of CVE-2017-6956?
CVE-2017-6956 has a critical severity rating due to the potential for remote code execution.
How do I fix CVE-2017-6956?
To fix CVE-2017-6956, update the Broadcom HardMAC Wi-Fi SoC firmware to version 6.37.34.40 or later.
What systems are affected by CVE-2017-6956?
CVE-2017-6956 affects Broadcom HardMAC Wi-Fi SoC firmware version 6.37.34.40.
Can CVE-2017-6956 be exploited remotely?
Yes, CVE-2017-6956 can be exploited remotely through a crafted access point.
What type of attack is described in CVE-2017-6956?
CVE-2017-6956 describes a stack buffer overflow that can lead to remote code execution.