8.8high
CVE-2017-6956
On the Broadcom Wi-Fi HardMAC SoC with fbt firmware, a stack buffer overflow occurs when handling an 802.11r (FT) authentication response,…
Published 9 y ago · modified 4 mo ago · JSON
CVSS
8.8
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
2.0%
percentile 81%
Public exploits
0
none known
Summary
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).
Exploit prediction (EPSS)
1.98% probability of exploitation in the next 30 days, higher than 81% of all scored CVEs.
CVSS scores
| Assigned by | Version | Score | Vector |
|---|---|---|---|
| NVD | 3.0 | 8.8 | CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 8.3 | AV:A/AC:L/Au:N/C:C/I:C/A:C |
Classification
- Weakness
- CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer
References
- bugs.chromium.org /p/project-zero/issues/detail?id=1059 · x_refsource_MISC, x_transferred
- googleprojectzero.blogspot.com /2017/04/over-air-exploiting-broadcoms-wi-fi_4.html · x_refsource_MISC, x_transferred
Sources
- CVE List: CVE-2017-6956
- NVD: CVE-2017-6956
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