PT-2017-17423 · Broadcom · Broadcom Wi-Fi Hardmac Soc

Gal Beniamini · Published 2017-04-05 · Updated 2017-04-11 · CVE-2017-6956

Positive Technologies (AI Summary)

CVSS v3.1

8.8

High

Base vector

AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Broadcom Wi-Fi HardMAC SoC with fbt firmware (affected versions not specified)

Description A stack buffer overflow issue occurs when handling an 802.11r (FT) authentication response. This happens due to a crafted access point sending a long R0KH-ID field in a Fast BSS Transition Information Element (FT-IE), potentially leading to remote code execution.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Buffer Overflow

Weakness Enumeration

CWE-119

Related Identifiers

CVE-2017-6956

Affected Products

Broadcom Wi-Fi Hardmac Soc

References · 4

• https://osv.dev/vulnerability/CVE-2017-6956 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2017-6956 · Security Note
• https://bugs.chromium.org/p/project-zero/issues/detail?id=1059 · Note
• https://googleprojectzero.blogspot.com/2017/04/over-air-exploiting-broadcoms-wi-fi_4.html · Note