github - ghsa-pv38-9q3c-3qq8

GHSA-PV38-9Q3C-3QQ8

Vulnerability from github – Published: 2022-05-24 17:01 – Updated: 2022-05-24 17:01

Details

When a Beckhoff TwinCAT Runtime receives a malformed UDP packet, the ADS Discovery Service shuts down. Note that the TwinCAT devices are still performing as normal.

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2019-5636"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2019-11-21T20:15:00Z",
    "severity": "MODERATE"
  },
  "details": "When a Beckhoff TwinCAT Runtime receives a malformed UDP packet, the ADS Discovery Service shuts down. Note that the TwinCAT devices are still performing as normal.",
  "id": "GHSA-pv38-9q3c-3qq8",
  "modified": "2022-05-24T17:01:46Z",
  "published": "2022-05-24T17:01:46Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2019-5636"
    },
    {
      "type": "WEB",
      "url": "https://blog.rapid7.com/2019/10/08/r7-2019-32-denial-of-service-vulnerabilities-in-beckhoff-twincat-plc-environment-fixed"
    },
    {
      "type": "WEB",
      "url": "https://download.beckhoff.com/download/Document/product-security/Advisories/advisory-2019-004.pdf"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}

CVE-2019-5636 (GCVE-0-2019-5636)

Vulnerability from cvelistv5 – Published: 2019-11-21 19:16 – Updated: 2024-09-17 03:18

Summary

When a Beckhoff TwinCAT Runtime receives a malformed UDP packet, the ADS Discovery Service shuts down. Note that the TwinCAT devices are still performing as normal. This issue affects TwinCAT 2 version 2304 (and prior) and TwinCAT 3.1 version 4204.0 (and prior).

Severity ?

5.3 (Medium)


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

CWE

CWE-404 - Improper Resource Shutdown or Release

Assigner

rapid7

References

URL

Tags

	https://download.beckhoff.com/download/Document/p…	x_refsource_CONFIRM
	https://blog.rapid7.com/2019/10/08/r7-2019-32-den…	x_refsource_MISC

Impacted products

Vendor

Product

Version

Beckhoff

TwinCAT 2

Affected: 2304 , ≤ 2304 (custom)

Beckhoff

TwinCAT 3.1

Affected: 4204.0 , ≤ 4204.0 (custom)

Credits

This issue was discovered, and reported to Rapid7, by Andreas Galauner at Rapid7. It is being disclosed in accordance with Rapid7's vulnerability disclosure policy (https://www.rapid7.com/disclosure/).

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T20:01:52.163Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://download.beckhoff.com/download/Document/product-security/Advisories/advisory-2019-004.pdf"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://blog.rapid7.com/2019/10/08/r7-2019-32-denial-of-service-vulnerabilities-in-beckhoff-twincat-plc-environment-fixed/"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "TwinCAT 2",
          "vendor": "Beckhoff",
          "versions": [
            {
              "lessThanOrEqual": "2304",
              "status": "affected",
              "version": "2304",
              "versionType": "custom"
            }
          ]
        },
        {
          "product": "TwinCAT 3.1",
          "vendor": "Beckhoff",
          "versions": [
            {
              "lessThanOrEqual": "4204.0",
              "status": "affected",
              "version": "4204.0",
              "versionType": "custom"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "value": "This issue was discovered, and reported to Rapid7, by Andreas Galauner at Rapid7. It is being disclosed in accordance with Rapid7\u0027s vulnerability disclosure policy (https://www.rapid7.com/disclosure/)."
        }
      ],
      "datePublic": "2019-10-08T00:00:00",
      "descriptions": [
        {
          "lang": "en",
          "value": "When a Beckhoff TwinCAT Runtime receives a malformed UDP packet, the ADS Discovery Service shuts down. Note that the TwinCAT devices are still performing as normal. This issue affects TwinCAT 2 version 2304 (and prior) and TwinCAT 3.1 version 4204.0 (and prior)."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "LOW",
            "baseScore": 5.3,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-404",
              "description": "CWE-404 Improper Resource Shutdown or Release",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2020-02-04T22:58:40",
        "orgId": "9974b330-7714-4307-a722-5648477acda7",
        "shortName": "rapid7"
      },
      "references": [
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://download.beckhoff.com/download/Document/product-security/Advisories/advisory-2019-004.pdf"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://blog.rapid7.com/2019/10/08/r7-2019-32-denial-of-service-vulnerabilities-in-beckhoff-twincat-plc-environment-fixed/"
        }
      ],
      "source": {
        "advisory": "R7-2019-32",
        "discovery": "EXTERNAL"
      },
      "title": "Beckhoff TwinCAT Discovery Service Denial of Service",
      "x_generator": {
        "engine": "Vulnogram 0.0.8"
      },
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "cve@rapid7.com",
          "DATE_PUBLIC": "2019-10-08T14:05:00.000Z",
          "ID": "CVE-2019-5636",
          "STATE": "PUBLIC",
          "TITLE": "Beckhoff TwinCAT Discovery Service Denial of Service"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "TwinCAT 2",
                      "version": {
                        "version_data": [
                          {
                            "version_affected": "\u003c=",
                            "version_name": "2304",
                            "version_value": "2304"
                          }
                        ]
                      }
                    },
                    {
                      "product_name": "TwinCAT 3.1",
                      "version": {
                        "version_data": [
                          {
                            "version_affected": "\u003c=",
                            "version_name": "4204.0",
                            "version_value": "4204.0"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "Beckhoff"
              }
            ]
          }
        },
        "credit": [
          {
            "lang": "eng",
            "value": "This issue was discovered, and reported to Rapid7, by Andreas Galauner at Rapid7. It is being disclosed in accordance with Rapid7\u0027s vulnerability disclosure policy (https://www.rapid7.com/disclosure/)."
          }
        ],
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "When a Beckhoff TwinCAT Runtime receives a malformed UDP packet, the ADS Discovery Service shuts down. Note that the TwinCAT devices are still performing as normal. This issue affects TwinCAT 2 version 2304 (and prior) and TwinCAT 3.1 version 4204.0 (and prior)."
            }
          ]
        },
        "generator": {
          "engine": "Vulnogram 0.0.8"
        },
        "impact": {
          "cvss": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "LOW",
            "baseScore": 5.3,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
            "version": "3.1"
          }
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "CWE-404 Improper Resource Shutdown or Release"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://download.beckhoff.com/download/Document/product-security/Advisories/advisory-2019-004.pdf",
              "refsource": "CONFIRM",
              "url": "https://download.beckhoff.com/download/Document/product-security/Advisories/advisory-2019-004.pdf"
            },
            {
              "name": "https://blog.rapid7.com/2019/10/08/r7-2019-32-denial-of-service-vulnerabilities-in-beckhoff-twincat-plc-environment-fixed/",
              "refsource": "MISC",
              "url": "https://blog.rapid7.com/2019/10/08/r7-2019-32-denial-of-service-vulnerabilities-in-beckhoff-twincat-plc-environment-fixed/"
            }
          ]
        },
        "source": {
          "advisory": "R7-2019-32",
          "discovery": "EXTERNAL"
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "9974b330-7714-4307-a722-5648477acda7",
    "assignerShortName": "rapid7",
    "cveId": "CVE-2019-5636",
    "datePublished": "2019-11-21T19:16:12.913139Z",
    "dateReserved": "2019-01-07T00:00:00",
    "dateUpdated": "2024-09-17T03:18:42.935Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date

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-PV38-9Q3C-3QQ8

CVE-2019-5636 (GCVE-0-2019-5636)

Tags

Sightings

Nomenclature