Vulnerability Details : CVE-2017-6957
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).
Vulnerability category: OverflowExecute code
Exploit prediction scoring system (EPSS) score for CVE-2017-6957
Probability of exploitation activity in the next 30 days: 11.66%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 95 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2017-6957
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
---|---|---|---|---|---|
6.8
|
MEDIUM | AV:N/AC:M/Au:N/C:P/I:P/A:P |
8.6
|
6.4
|
NIST |
8.1
|
HIGH | CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H |
2.2
|
5.9
|
NIST |
CWE ids for CVE-2017-6957
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The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer.Assigned by: nvd@nist.gov (Primary)
References for CVE-2017-6957
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http://www.securityfocus.com/bid/97054
Broadcom BCM4339 SoC CVE-2017-6957 Stack-Based Buffer Overflow VulnerabilityThird Party Advisory;VDB Entry
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https://bugs.chromium.org/p/project-zero/issues/detail?id=1051
1051 - Broadcom: Stack buffer overflow when parsing CCKM reassociation response - project-zero - MonorailThird Party Advisory
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http://packetstormsecurity.com/files/141803/Broadcom-Stack-Buffer-Overflow.html
Broadcom Stack Buffer Overflow ≈ Packet StormExploit;Third Party Advisory;VDB Entry
Products affected by CVE-2017-6957
- cpe:2.3:o:broadcom:bcm4339_soc_firmware:6.37.34.40:*:*:*:*:*:*:*