CVE-2017-6956

CVSS V2 High 8.3 CVSS V3 High 8.8
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).
Overview
  • CVE ID
  • CVE-2017-6956
  • Assigner
  • cve@mitre.org
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2017-04-05T14:59:00
  • Last Modified Date
  • 2017-04-11T19:33:58
Weakness Enumerations
CWE URL
CWE-119 http://cwe.mitre.org/data/definitions/119.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
AND
cpe:2.3:o:broadcom:hardmac_wi-fi_soc_firmware:6.37.34.40:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:broadcom:hardmac_wi-fi_soc:-:*:*:*:*:*:*:* 0 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:A/AC:L/Au:N/C:C/I:C/A:C
  • Access Vector
  • ADJACENT_NETWORK
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • COMPLETE
  • Integrity Impact
  • COMPLETE
  • Availability Impact
  • COMPLETE
  • Base Score
  • 8.3
  • Severity
  • HIGH
  • Exploitability Score
  • 6.5
  • Impact Score
  • 10
CVSS Version 3
  • Version
  • 3.0
  • Vector String
  • CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
  • Attack Vector
  • ADJACENT_NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • HIGH
  • Availability Impact
  • HIGH
  • Base Score
  • 8.8
  • Base Severity
  • HIGH
  • Exploitability Score
  • 2.8
  • Impact Score
  • 5.9
References
Reference URL Reference Tags
https://googleprojectzero.blogspot.com/2017/04/over-air-exploiting-broadcoms-wi-fi_4.html Third Party Advisory
https://bugs.chromium.org/p/project-zero/issues/detail?id=1059 Third Party Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2017-6956
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-6956
History
Created Old Value New Value Data Type Notes
2022-05-10 09:45:01 Added to TrackCVE
2022-12-02 15:30:38 2017-04-05T14:59Z 2017-04-05T14:59:00 CVE Published Date updated
2022-12-02 15:30:38 2017-04-11T19:33:58 CVE Modified Date updated
2022-12-02 15:30:38 Analyzed Vulnerability Status updated