Vulnerability-Lookup

FKIE_CVE-2018-16523

Vulnerability from fkie_nvd - Published: 2018-12-06 23:29 - Updated: 2026-06-17 01:44

Severity

7.4 (High) - CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:H

Summary

Amazon Web Services (AWS) FreeRTOS through 1.3.1, FreeRTOS up to V10.0.1 (with FreeRTOS+TCP), and WITTENSTEIN WHIS Connect middleware TCP/IP component allow division by zero in prvCheckOptions.

References

URL	Tags
cve@mitre.org	https://blog.zimperium.com/freertos-tcpip-stack-vulnerabilities-details/	Exploit, Third Party Advisory
cve@mitre.org	https://blog.zimperium.com/freertos-tcpip-stack-vulnerabilities-put-wide-range-devices-risk-compromise-smart-homes-critical-infrastructure-systems/	Third Party Advisory
cve@mitre.org	https://github.com/aws/amazon-freertos/blob/v1.3.2/CHANGELOG.md	Release Notes, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	https://blog.zimperium.com/freertos-tcpip-stack-vulnerabilities-details/	Exploit, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	https://blog.zimperium.com/freertos-tcpip-stack-vulnerabilities-put-wide-range-devices-risk-compromise-smart-homes-critical-infrastructure-systems/	Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	https://github.com/aws/amazon-freertos/blob/v1.3.2/CHANGELOG.md	Release Notes, Third Party Advisory

Impacted products

	Vendor	Product	Version
	amazon	amazon_web_services_freertos	*
	amazon	freertos	*

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "source": "cve@mitre.org"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:amazon:amazon_web_services_freertos:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "7EADBC4B-05C5-4588-B0D8-DDAF318DFEB1",
              "versionEndIncluding": "1.3.1",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:amazon:freertos:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "8A645BC4-5A25-47D4-BBA3-BA199C48FE3C",
              "versionEndIncluding": "10.0.1",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Amazon Web Services (AWS) FreeRTOS through 1.3.1, FreeRTOS up to V10.0.1 (with FreeRTOS+TCP), and WITTENSTEIN WHIS Connect middleware TCP/IP component allow division by zero in prvCheckOptions."
    },
    {
      "lang": "es",
      "value": "Amazon Web Services (AWS) FreeRTOS hasta la versi\u00f3n 1.3.1, FreeRTOS hasta V10.0.1 (con FreeRTOS+TCP) y el componente middleware TCP/IP WITTENSTEIN WHIS Connect permiten la divisi\u00f3n entre cero en prvCheckOptions."
    }
  ],
  "id": "CVE-2018-16523",
  "lastModified": "2026-06-17T01:44:25.843",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "MEDIUM",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 5.8,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "NONE",
          "vectorString": "AV:N/AC:M/Au:N/C:P/I:N/A:P",
          "version": "2.0"
        },
        "exploitabilityScore": 8.6,
        "impactScore": 4.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV30": [
      {
        "cvssData": {
          "attackComplexity": "HIGH",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 7.4,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:H",
          "version": "3.0"
        },
        "exploitabilityScore": 2.2,
        "impactScore": 5.2,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2018-12-06T23:29:00.313",
  "references": [
    {
      "source": "cve@mitre.org",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "url": "https://blog.zimperium.com/freertos-tcpip-stack-vulnerabilities-details/"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://blog.zimperium.com/freertos-tcpip-stack-vulnerabilities-put-wide-range-devices-risk-compromise-smart-homes-critical-infrastructure-systems/"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Release Notes",
        "Third Party Advisory"
      ],
      "url": "https://github.com/aws/amazon-freertos/blob/v1.3.2/CHANGELOG.md"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "url": "https://blog.zimperium.com/freertos-tcpip-stack-vulnerabilities-details/"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://blog.zimperium.com/freertos-tcpip-stack-vulnerabilities-put-wide-range-devices-risk-compromise-smart-homes-critical-infrastructure-systems/"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Release Notes",
        "Third Party Advisory"
      ],
      "url": "https://github.com/aws/amazon-freertos/blob/v1.3.2/CHANGELOG.md"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-369"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}

CVE-2018-16523 (GCVE-0-2018-16523)

Vulnerability from cvelistv5 – Published: 2018-12-06 23:00 – Updated: 2024-08-05 10:24

Summary

Amazon Web Services (AWS) FreeRTOS through 1.3.1, FreeRTOS up to V10.0.1 (with FreeRTOS+TCP), and WITTENSTEIN WHIS Connect middleware TCP/IP component allow division by zero in prvCheckOptions.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

3 references

URL	Tags
https://github.com/aws/amazon-freertos/blob/v1.3.…	x_refsource_CONFIRM
https://blog.zimperium.com/freertos-tcpip-stack-v…	x_refsource_MISC
https://blog.zimperium.com/freertos-tcpip-stack-v…	x_refsource_MISC

Date Public

2018-10-18 00:00

Show details on NVD website

JSON

To clipboard

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          "dateUpdated": "2024-08-05T10:24:32.701Z",
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            ],
            "url": "https://blog.zimperium.com/freertos-tcpip-stack-vulnerabilities-details/"
          },
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            "tags": [
              "x_refsource_MISC",
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            ],
            "url": "https://blog.zimperium.com/freertos-tcpip-stack-vulnerabilities-put-wide-range-devices-risk-compromise-smart-homes-critical-infrastructure-systems/"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
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        }
      ],
      "problemTypes": [
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            {
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          ]
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          "url": "https://blog.zimperium.com/freertos-tcpip-stack-vulnerabilities-details/"
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      ],
      "x_legacyV4Record": {
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          "ID": "CVE-2018-16523",
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        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "n/a",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "n/a"
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                      }
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Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.