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ZephyrCVE-2021-3861

HistoryFeb 07, 2022 - 10:15 p.m.

CVE-2021-3861

2022-02-0722:15:08

CWE-787

CWE-122

zephyr

web.nvd.nist.gov

rndis

usb

device class

buffer overflow

vulnerability

zephyr

v2.6.0

cwe-122

nvd

security advisories

CVSS2

7.2

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:L/AC:L/Au:N/C:C/I:C/A:C

CVSS3

8.2

Attack Vector

ADJACENT

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

LOW

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

6.9

Confidence

High

EPSS

0.001

Percentile

34.8%

JSON

The RNDIS USB device class includes a buffer overflow vulnerability. Zephyr versions >= v2.6.0 contain Heap-based Buffer Overflow (CWE-122). For more information, see https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-hvfp-w4h8-gxvj

Affected configurations

Nvd

Node

zephyrprojectzephyrRange2.6.0–2.7.1

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

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

CNA Affected

[
  {
    "product": "zephyr",
    "vendor": "zephyrproject-rtos",
    "versions": [
      {
        "lessThan": "unspecified",
        "status": "affected",
        "version": "v2.6.0",
        "versionType": "custom"
      }
    ]
  }
]

References

github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-hvfp-w4h8-gxvj

CVSS2

7.2

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:L/AC:L/Au:N/C:C/I:C/A:C

CVSS3

8.2

Attack Vector

ADJACENT

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

LOW

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

6.9

Confidence

High

EPSS

0.001

Percentile

34.8%

JSON

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