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ZephyrCVE-2020-10027

HistoryMay 11, 2020 - 11:15 p.m.

CVE-2020-10027

2020-05-1123:15:11

CWE-697

zephyr

web.nvd.nist.gov

cve-2020-10027

code execution

privilege escalation

zephyrproject-rtos

nvd

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

7.8

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

7.7

Confidence

High

EPSS

0.001

Percentile

32.7%

JSON

An attacker who has obtained code execution within a user thread is able to elevate privileges to that of the kernel. See NCC-ZEP-001 This issue affects: zephyrproject-rtos zephyr version 1.14.0 and later versions. version 2.1.0 and later versions.

Affected configurations

Nvd

Node

zephyrprojectzephyrMatch1.14.0

zephyrprojectzephyrMatch2.1.0

VendorProductVersionCPE
zephyrprojectzephyr1.14.0cpe:2.3:o:zephyrproject:zephyr:1.14.0:*:*:*:*:*:*:*
zephyrprojectzephyr2.1.0cpe:2.3:o:zephyrproject:zephyr:2.1.0:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
zephyrproject	zephyr	1.14.0	cpe:2.3:o:zephyrproject:zephyr:1.14.0:::::::*
zephyrproject	zephyr	2.1.0	cpe:2.3:o:zephyrproject:zephyr:2.1.0:::::::*

CNA Affected

[
  {
    "product": "zephyr",
    "vendor": "zephyrproject-rtos",
    "versions": [
      {
        "lessThan": "unspecified",
        "status": "affected",
        "version": "1.14.0",
        "versionType": "custom"
      },
      {
        "lessThan": "unspecified",
        "status": "affected",
        "version": "2.1.0",
        "versionType": "custom"
      }
    ]
  }
]

References

docs.zephyrproject.org/latest/security/vulnerabilities.html#cve-2020-10027

github.com/zephyrproject-rtos/zephyr/pull/23328

github.com/zephyrproject-rtos/zephyr/pull/23499

github.com/zephyrproject-rtos/zephyr/pull/23500

zephyrprojectsec.atlassian.net/browse/ZEPSEC-35

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

7.8

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

7.7

Confidence

High

EPSS

0.001

Percentile

32.7%

JSON

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