PT-2017-17424 · Broadcom · Broadcom Wi-Fi Hardmac Soc

Published 2017-03-27 · Updated 2017-03-31 · CVE-2017-6957

Positive Technologies (AI Summary)

CVSS v3.1

8.1

High

Base vector

AV:N/AC:H/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 chips (affected versions not specified)

Description The issue is a stack-based buffer overflow in the firmware of Broadcom Wi-Fi HardMAC SoC chips. This occurs when the firmware supports CCKM Fast and Secure Roaming and this feature is enabled in RAM. Remote attackers can exploit this by sending a crafted reassociation response frame that includes a Cisco IE (156), potentially allowing them to execute arbitrary code.

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

Exploit

Buffer Overflow

Weakness Enumeration

CWE-119

Related Identifiers

CVE-2017-6957

Affected Products

Broadcom Wi-Fi Hardmac Soc

References · 5

• 🔥 http://packetstormsecurity.com/files/141803/Broadcom-Stack-Buffer-Overflow.html · Exploit
• https://osv.dev/vulnerability/CVE-2017-6957 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2017-6957 · Security Note
• http://securityfocus.com/bid/97054 · Note
• https://bugs.chromium.org/p/project-zero/issues/detail?id=1051 · Note