Buffer overflow in Broadcom Bcm4339 Soc
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 class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.1 (High). Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.046 (91.4th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 91st percentile — 91.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.046 · newest: 0.046 · change: 0.000
Affected products
- Broadcom Bcm4339 Soc
- Broadcom Bcm4339 Soc Firmware — versions 6.37.34.40
Weakness classification (CWE)
References
- packetstormsecurity.com/files/141803/Broadcom-Stack-Buffer-Overflow.html (Exploit, VDB Entry, Third Party Advisory)
- www.securityfocus.com/bid/97054 (VDB Entry, Third Party Advisory, vdb-entry)
- bugs.chromium.org/p/project-zero/issues/detail (Third Party Advisory)
Frequently asked questions
- What is CVE-2017-6957?
- CVE-2017-6957 is a high-severity vulnerability in Broadcom Bcm4339 Soc, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 8.1/10. Published 2017-03-27.
- How severe is CVE-2017-6957?
- High severity. CVSS v3 base score is 8.1 out of 10.