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ZephyrCVE-2021-3966

HistoryJan 11, 2023 - 5:15 a.m.

CVE-2021-3966

2023-01-1105:15:10

CWE-120

CWE-122

zephyr

web.nvd.nist.gov

usb device

bluetooth

buffer overflow

cve-2021-3966

net_buf_add_mem

nvd

CVSS3

9.6

Attack Vector

ADJACENT

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

LOW

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

8.8

Confidence

High

EPSS

0.001

Percentile

30.2%

JSON

usb device bluetooth class includes a buffer overflow related to implementation of net_buf_add_mem.

Affected configurations

Nvd

Node

zephyrprojectzephyrRange<3.0.0

VendorProductVersionCPE
zephyrprojectzephyr*cpe:2.3:o:zephyrproject:zephyr:*:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
zephyrproject	zephyr	*	cpe:2.3:o:zephyrproject:zephyr::::::::

CNA Affected

[
  {
    "vendor": "zephyrproject-rtos",
    "product": "zephyr",
    "versions": [
      {
        "version": "unspecified",
        "lessThanOrEqual": "v3.0",
        "status": "affected",
        "versionType": "custom"
      }
    ]
  }
]

References

github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-hfxq-3w6x-fv2m

CVSS3

9.6

Attack Vector

ADJACENT

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

LOW

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

8.8

Confidence

High

EPSS

0.001

Percentile

30.2%

JSON

Related for CVE-2021-3966