CVE-2017-6957

Public Exploit

Description

Stack-based buffer overflow in the firmware in Broadcom Wi-Fi HardMAC SoC chips, when the firmware supports CCKM Fast and Secure Roaming and the feature is enabled in RAM, allows remote attackers to execute arbitrary code via a crafted reassociation response frame with a Cisco IE (156).

Category

8.1
CVSS
Severity: High
CVSS 3.0 •
CVSS 2.0 •
EPSS 14.93% Top 10%
Third-Party Advisory packetstormsecurity.com Third-Party Advisory securityfocus.com Third-Party Advisory chromium.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://packetstormsecurity.com/files/141803/Broadcom-Stack-Buffer-Overflow.html third party advisory vdb entry exploit
http://www.securityfocus.com/bid/97054 third party advisory vdb entry
https://bugs.chromium.org/p/project-zero/issues/detail?id=1051 third party advisory

Frequently Asked Questions

What is the severity of CVE-2017-6957?
CVE-2017-6957 has been scored as a high severity vulnerability.
How to fix CVE-2017-6957?
To fix CVE-2017-6957, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2017-6957 being actively exploited in the wild?
It is possible that CVE-2017-6957 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~15% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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