Vulnerability-Lookup

CVE-2020-24334 (GCVE-0-2020-24334)

Vulnerability from cvelistv5 – Published: 2020-12-11 22:42 – Updated: 2024-08-04 15:12

Summary

The code that processes DNS responses in uIP through 1.0, as used in Contiki and Contiki-NG, does not check whether the number of responses specified in the DNS packet header corresponds to the response data available in the DNS packet, leading to an out-of-bounds read and Denial-of-Service in resolv.c.

Severity

8.2 (High)


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

CWE

Assigner

mitre CNA under the mitre root

CNA scorecard E 28/100 over 2322 records in the last 180 days details

References

2 references

URL	Tags
https://www.kb.cert.org/vuls/id/815128	x_refsource_MISC
https://us-cert.cisa.gov/ics/advisories/icsa-20-343-01	x_refsource_MISC

Date Public

2020-12-08 00:00

Show details on NVD website

JSON

To clipboard

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FKIE_CVE-2020-24334

Vulnerability from fkie_nvd - Published: 2020-12-11 23:15 - Updated: 2026-06-17 03:05

Severity

8.2 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H

Summary

References

URL	Tags
cve@mitre.org	https://us-cert.cisa.gov/ics/advisories/icsa-20-343-01	Third Party Advisory, US Government Resource
cve@mitre.org	https://www.kb.cert.org/vuls/id/815128	Third Party Advisory, US Government Resource
af854a3a-2127-422b-91ae-364da2661108	https://us-cert.cisa.gov/ics/advisories/icsa-20-343-01	Third Party Advisory, US Government Resource
af854a3a-2127-422b-91ae-364da2661108	https://www.kb.cert.org/vuls/id/815128	Third Party Advisory, US Government Resource

Impacted products

Vendor	Product	Version
uip_project	uip	*
contiki-ng	contiki-ng	-
contiki-os	contiki	-

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
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}

GHSA-38JP-4V3P-CC3Q

Vulnerability from github – Published: 2022-05-24 17:36 – Updated: 2022-05-24 17:36

Details

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2020-24334"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-125"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2020-12-11T23:15:00Z",
    "severity": "HIGH"
  },
  "details": "The code that processes DNS responses in uIP through 1.0, as used in Contiki and Contiki-NG, does not check whether the number of responses specified in the DNS packet header corresponds to the response data available in the DNS packet, leading to an out-of-bounds read and Denial-of-Service in resolv.c.",
  "id": "GHSA-38jp-4v3p-cc3q",
  "modified": "2022-05-24T17:36:11Z",
  "published": "2022-05-24T17:36:11Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-24334"
    },
    {
      "type": "WEB",
      "url": "https://us-cert.cisa.gov/ics/advisories/icsa-20-343-01"
    },
    {
      "type": "WEB",
      "url": "https://www.kb.cert.org/vuls/id/815128"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}

GSD-2020-24334

Vulnerability from gsd - Updated: 2023-12-13 01:22

Details

Aliases

CVE-2020-24334

Aliases

CVE-2020-24334

JSON

To clipboard

{
  "GSD": {
    "alias": "CVE-2020-24334",
    "description": "The code that processes DNS responses in uIP through 1.0, as used in Contiki and Contiki-NG, does not check whether the number of responses specified in the DNS packet header corresponds to the response data available in the DNS packet, leading to an out-of-bounds read and Denial-of-Service in resolv.c.",
    "id": "GSD-2020-24334",
    "references": [
      "https://www.suse.com/security/cve/CVE-2020-24334.html"
    ]
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2020-24334"
      ],
      "details": "The code that processes DNS responses in uIP through 1.0, as used in Contiki and Contiki-NG, does not check whether the number of responses specified in the DNS packet header corresponds to the response data available in the DNS packet, leading to an out-of-bounds read and Denial-of-Service in resolv.c.",
      "id": "GSD-2020-24334",
      "modified": "2023-12-13T01:22:12.566408Z",
      "schema_version": "1.4.0"
    }
  },
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            {
              "lang": "en",
              "value": "The code that processes DNS responses in uIP through 1.0, as used in Contiki and Contiki-NG, does not check whether the number of responses specified in the DNS packet header corresponds to the response data available in the DNS packet, leading to an out-of-bounds read and Denial-of-Service in resolv.c."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "en",
                  "value": "CWE-125"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://us-cert.cisa.gov/ics/advisories/icsa-20-343-01",
              "refsource": "MISC",
              "tags": [
                "Third Party Advisory",
                "US Government Resource"
              ],
              "url": "https://us-cert.cisa.gov/ics/advisories/icsa-20-343-01"
            },
            {
              "name": "https://www.kb.cert.org/vuls/id/815128",
              "refsource": "MISC",
              "tags": [
                "Third Party Advisory",
                "US Government Resource"
              ],
              "url": "https://www.kb.cert.org/vuls/id/815128"
            }
          ]
        }
      },
      "impact": {
        "baseMetricV2": {
          "acInsufInfo": false,
          "cvssV2": {
            "accessComplexity": "LOW",
            "accessVector": "NETWORK",
            "authentication": "NONE",
            "availabilityImpact": "PARTIAL",
            "baseScore": 6.4,
            "confidentialityImpact": "NONE",
            "integrityImpact": "PARTIAL",
            "vectorString": "AV:N/AC:L/Au:N/C:N/I:P/A:P",
            "version": "2.0"
          },
          "exploitabilityScore": 10.0,
          "impactScore": 4.9,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "MEDIUM",
          "userInteractionRequired": false
        },
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 8.2,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "LOW",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H",
            "version": "3.1"
          },
          "exploitabilityScore": 3.9,
          "impactScore": 4.2
        }
      },
      "lastModifiedDate": "2020-12-15T15:03Z",
      "publishedDate": "2020-12-11T23:15Z"
    }
  }
}

ICSA-20-343-01

Vulnerability from csaf_cisa - Published: 2020-12-08 00:00 - Updated: 2020-12-08 00:00

Summary

Multiple Embedded TCP/IP Stacks

Scope

33 vulnerabilities in this advisory, including CVE-2020-24334.

CVE-2020-24334

8.2 (High)


                
                  CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H

Known affected: 8 products

https://yanzi.dev/#/security/advisories/2020-12-08

Open the full advisory

WID-SEC-W-2022-1044

Vulnerability from csaf_certbund - Published: 2020-12-08 23:00 - Updated: 2023-07-27 22:00

Summary

TCP/IP Stack: Mehrere Schwachstellen

Severity

Kritisch

Scope

33 vulnerabilities in this advisory, including CVE-2020-24334.

CVE-2020-24334

Im TCP/IP Stack existieren mehrere Schwachstellen in einer Vielzahl von Produkten aus den Bereichen IoT, Gesundheitswesen, Industrie und anderen Produkten von mehr als 150 verschiedenen Anbietern verwendet werden. Die Sammlung erhielt den Namen "Amnesia:33". Die Schwachstellen beruhen u. a. auf Puffer-Überlauf Fehlern, "out-of-bounds" Zugriffen oder Fehlern bei der Bereinigung von Eingaben. Ein Angreifer kann dieses zu Denial of Service Angriffen, zur Einsicht in vertrauliche Daten, zur Manipulation von Daten oder zur Ausführung von Code nutzen.

Known affected: 10 products

Open the full advisory

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.

Vulnerability timeline

Sightings and recorded dates, grouped by day · UTC

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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.

Action not permitted

CVE-2020-24334 (GCVE-0-2020-24334)

FKIE_CVE-2020-24334

GHSA-38JP-4V3P-CC3Q

GSD-2020-24334

ICSA-20-343-01

WID-SEC-W-2022-1044

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