Vulnerability-Lookup

GHSA-CW9G-QWF2-42HW

Vulnerability from github – Published: 2022-05-24 19:10 – Updated: 2022-05-24 19:10

Details

In Contiki 3.0, potential nonterminating acknowledgment loops exist in the Telnet service. When the negotiated options are already disabled, servers still respond to DONT and WONT requests with WONT or DONT commands, which may lead to infinite acknowledgment loops, denial of service, and excessive CPU consumption.

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{
  "affected": [],
  "aliases": [
    "CVE-2021-38311"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-835"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2021-08-09T22:15:00Z",
    "severity": "HIGH"
  },
  "details": "In Contiki 3.0, potential nonterminating acknowledgment loops exist in the Telnet service. When the negotiated options are already disabled, servers still respond to DONT and WONT requests with WONT or DONT commands, which may lead to infinite acknowledgment loops, denial of service, and excessive CPU consumption.",
  "id": "GHSA-cw9g-qwf2-42hw",
  "modified": "2022-05-24T19:10:37Z",
  "published": "2022-05-24T19:10:37Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-38311"
    },
    {
      "type": "WEB",
      "url": "https://github.com/contiki-os/contiki/issues/2685"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}

CVE-2021-38311 (GCVE-0-2021-38311)

Vulnerability from cvelistv5 – Published: 2021-08-09 21:19 – Updated: 2024-08-04 01:37

Summary

Severity

No CVSS data available.

CWE

Assigner

mitre

References

1 reference

URL	Tags
https://github.com/contiki-os/contiki/issues/2685	x_refsource_MISC

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        "providerMetadata": {
          "dateUpdated": "2024-08-04T01:37:16.302Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://github.com/contiki-os/contiki/issues/2685"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
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      ],
      "descriptions": [
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        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
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      ],
      "providerMetadata": {
        "dateUpdated": "2021-08-09T21:19:35.000Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/contiki-os/contiki/issues/2685"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2021-38311",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "n/a",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "n/a"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "n/a"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
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            }
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        "problemtype": {
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        "references": {
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            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
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    "datePublished": "2021-08-09T21:19:35.000Z",
    "dateReserved": "2021-08-09T00:00:00.000Z",
    "dateUpdated": "2024-08-04T01:37:16.302Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
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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.

Action not permitted

GHSA-CW9G-QWF2-42HW

CVE-2021-38311 (GCVE-0-2021-38311)

Tags

Sightings

Nomenclature