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cvelistZephyrCVELIST:CVE-2023-2234
HistoryJul 10, 2023 - 4:33 a.m.

CVE-2023-2234 BT HCI host union variant confusion

2023-07-1004:33:35
CWE-843
zephyr
www.cve.org
2
cve-2023-2234; bt hci host; union variant confusion; malicious code execution; zephyr host

CVSS3

6.8

Attack Vector

PHYSICAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

AI Score

9.2

Confidence

High

EPSS

0.001

Percentile

23.1%

Union variant confusion allows any malicious BT controller to execute arbitrary code on the Zephyr host.

CNA Affected

[
  {
    "defaultStatus": "unaffected",
    "packageName": "Zephyr",
    "product": "Zephyr",
    "repo": "https://github.com/zephyrproject-rtos/zephyr",
    "vendor": "zephyrproject-rtos",
    "versions": [
      {
        "lessThanOrEqual": "3.3",
        "status": "affected",
        "version": "*",
        "versionType": "git"
      }
    ]
  }
]

CVSS3

6.8

Attack Vector

PHYSICAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

AI Score

9.2

Confidence

High

EPSS

0.001

Percentile

23.1%

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