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ZephyrCVE-2021-3835

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

CVE-2021-3835

2022-02-0722:15:08

CWE-787

CWE-122

zephyr

web.nvd.nist.gov

cve-2021-3835

buffer overflow

usb

zephyr

nvd

security advisory

CVSS2

5.8

Attack Vector

ADJACENT_NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

8.8

Attack Vector

ADJACENT

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

8.8

Confidence

High

EPSS

0.001

Percentile

35.0%

JSON

Buffer overflow in usb device class. 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-fm6v-8625-99jf

Affected configurations

Nvd

Node

zephyrprojectzephyrRange2.6.0–2.7.1

zephyrprojectzephyrMatch3.0.0rc1

zephyrprojectzephyrMatch3.0.0rc2

VendorProductVersionCPE
zephyrprojectzephyr*cpe:2.3:o:zephyrproject:zephyr:*:*:*:*:*:*:*:*
zephyrprojectzephyr3.0.0cpe:2.3:o:zephyrproject:zephyr:3.0.0:rc1:*:*:*:*:*:*
zephyrprojectzephyr3.0.0cpe:2.3:o:zephyrproject:zephyr:3.0.0:rc2:*:*:*:*:*:*

Vendor	Product	Version	CPE
zephyrproject	zephyr	*	cpe:2.3:o:zephyrproject:zephyr::::::::
zephyrproject	zephyr	3.0.0	cpe:2.3:o:zephyrproject:zephyr:3.0.0:rc1::::::
zephyrproject	zephyr	3.0.0	cpe:2.3:o:zephyrproject:zephyr:3.0.0:rc2::::::

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-fm6v-8625-99jf

CVSS2

5.8

Attack Vector

ADJACENT_NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

8.8

Attack Vector

ADJACENT

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

8.8

Confidence

High

EPSS

0.001

Percentile

35.0%

JSON

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