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ZephyrCVELIST:CVE-2020-10063

HistoryJun 05, 2020 - 5:37 p.m.

CVE-2020-10063 Remote Denial of Service in CoAP Option Parsing Due To Integer Overflow

2020-06-0517:37:37

CWE-190

zephyr

www.cve.org

CVSS3

6.8

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

EPSS

0.008

Percentile

81.2%

JSON

A remote adversary with the ability to send arbitrary CoAP packets to be parsed by Zephyr is able to cause a denial of service. This issue affects: zephyrproject-rtos zephyr version 2.2.0 and later versions.

CNA Affected

[
  {
    "product": "zephyr",
    "vendor": "zephyrproject-rtos",
    "versions": [
      {
        "lessThan": "unspecified",
        "status": "affected",
        "version": "2.2.0",
        "versionType": "custom"
      },
      {
        "lessThan": "unspecified",
        "status": "affected",
        "version": "2.1.0",
        "versionType": "custom"
      },
      {
        "lessThan": "unspecified",
        "status": "affected",
        "version": "1.14.0",
        "versionType": "custom"
      }
    ]
  }
]

References

docs.zephyrproject.org/latest/security/vulnerabilities.html#cve-2020-10063

github.com/zephyrproject-rtos/zephyr/pull/24435

github.com/zephyrproject-rtos/zephyr/pull/24530

github.com/zephyrproject-rtos/zephyr/pull/24531

github.com/zephyrproject-rtos/zephyr/pull/24535

zephyrprojectsec.atlassian.net/browse/ZEPSEC-55

CVSS3

6.8

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

EPSS

0.008

Percentile

81.2%

JSON

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