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
EPSS: 0.046 (90.7th percentile) — read the EPSS interpretation.
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.
Affected products
- Broadcom Bcm4339_soc
- Broadcom Bcm4339_soc_firmware — versions 6.37.34.40
- N/a — versions n/a
Weakness classification (CWE)
References
- cve@mitre.org (Exploit, VDB Entry, Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
- cve@mitre.org (Third Party Advisory, x_refsource_MISC)
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.