CVE-2017-6956 - Vulnerability Details - OpenCVE

Description

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).

Published: 2017-04-05

Score: 8.8 High

EPSS: 5.4% Low

KEV: No

Impact:

Action:

Analysis

No analysis available yet.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

n/a

n/a

affected

Version	Status	Constraints
`n/a`	affected	—

Configuration 1 [-]

AND

cpe:2.3:o:broadcom:hardmac_wi-fi_soc_firmware:6.37.34.40:*:*:*:*:*:*:*

cpe:2.3:h:broadcom:hardmac_wi-fi_soc:-:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No remediation available yet.

Tracking

Sign in to view the affected projects.

Advisories

Source	ID	Title
EUVD	EUVD-2017-15994	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).

No CVSS v4.0

No CVSS v3.1

Attack Vector Adjacent Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

Access Vector Adjacent Network

Access Complexity Low

Authentication None

Confidentiality Impact Complete

Integrity Impact Complete

Availability Impact Complete

This CVE is not in the KEV list.

The EPSS score is 0.05418.

Key SSVC decision points have not yet been added.

References

Link	Providers
https://bugs.chromium.org/p/project-zero/issues/detail?id=1059
https://googleprojectzero.blogspot.com/2017/04/over-air-exploiting-broadcoms-wi-fi_4.html

History

No history.

Subscriptions

Broadcom Hardmac Wi-fi Soc Hardmac Wi-fi Soc Firmware

MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2017-04-05T14:00:00.000Z

Updated: 2024-08-05T15:49:02.800Z

Reserved: 2017-03-17T00:00:00.000Z

Link: CVE-2017-6956

Vulnrichment

No data.

NVD

Status : Deferred

Published: 2017-04-05T14:59:00.370

Modified: 2025-04-20T01:37:25.860

Link: CVE-2017-6956

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-119

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