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cvelistZephyrCVELIST:CVE-2020-10023
HistoryMay 11, 2020 - 10:26 p.m.

CVE-2020-10023 Shell Subsystem Contains a Buffer Overflow Vulnerability In shell_spaces_trim

2020-05-1122:26:13
CWE-120
zephyr
www.cve.org
5

CVSS3

6.9

Attack Vector

PHYSICAL

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

EPSS

0.002

Percentile

58.7%

The shell subsystem contains a buffer overflow, whereby an adversary with physical access to the device is able to cause a memory corruption, resulting in denial of service or possibly code execution within the Zephyr kernel. See NCC-NCC-019 This issue affects: zephyrproject-rtos zephyr version 1.14.0 and later versions. version 2.1.0 and later versions.

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"
      }
    ]
  }
]

CVSS3

6.9

Attack Vector

PHYSICAL

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

EPSS

0.002

Percentile

58.7%

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