VDE-2023-022

Vulnerability from csaf_codesysgmbh - Published: 2023-08-03 10:52 - Updated: 2023-08-03 10:52
Summary
CODESYS: Missing integrity check in CODESYS Development System
Notes
Summary: The Notification Center of the CODESYS Development System receives messages without ensuring that the message was not modified during transmission. This finally enables MITMs code execution when the user clicks the "Learn More" button.
Remediation: Update the CODESYS Development System to version 3.5.19.20. The CODESYS Development System can be downloaded and installed directly with the CODESYS Installer or be downloaded from the CODESYS Store. Alternatively, you will find further information on obtaining the software update in the CODESYS Update area
CVE-2023-3663

In CODESYS Development System versions from 3.5.11.20 and before 3.5.19.20 a missing integrity check might allow an unauthenticated remote attacker to manipulate the content of notifications received via HTTP by the CODESYS notification server.

8.8 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CWE-940 - Improper Verification of Source of a Communication Channel
Vendor Fix Update the CODESYS Development System to version 3.5.19.20. The CODESYS Development System can be downloaded and installed directly with the CODESYS Installer or be downloaded from the CODESYS Store. Alternatively, you will find further information on obtaining the software update in the CODESYS Update area
References
Acknowledgments
CERT@VDE certvde.com
SinSinology working with Trend Micro Zero Day Initiative Sina Kheirkhah
To clipboard 

{
  "document": {
    "acknowledgments": [
      {
        "organization": "CERT@VDE",
        "summary": "coordination",
        "urls": [
          "https://certvde.com"
        ]
      },
      {
        "names": [
          "Sina Kheirkhah"
        ],
        "organization": "SinSinology working with Trend Micro Zero Day Initiative",
        "summary": "reporting"
      }
    ],
    "category": "csaf_security_advisory",
    "csaf_version": "2.0",
    "distribution": {
      "tlp": {
        "label": "WHITE",
        "url": "https://www.first.org/tlp/"
      }
    },
    "lang": "en-GB",
    "notes": [
      {
        "category": "summary",
        "text": "The Notification Center of the CODESYS Development System receives messages without ensuring that the message was not modified during transmission. This finally enables MITMs code execution when the user clicks the \"Learn More\" button.",
        "title": "Summary"
      },
      {
        "category": "description",
        "text": "Update the CODESYS Development System to version 3.5.19.20.\nThe CODESYS Development System can be downloaded and installed directly with the CODESYS Installer or be downloaded from the CODESYS Store.\nAlternatively, you will find further information on obtaining the software update in the CODESYS Update area",
        "title": "Remediation"
      }
    ],
    "publisher": {
      "category": "vendor",
      "contact_details": "security@codesys.com",
      "name": "CODESYS GmbH",
      "namespace": "https://www.codesys.com"
    },
    "references": [
      {
        "category": "self",
        "summary": "VDE-2023-022: CODESYS: Missing integrity check in CODESYS Development System - HTML",
        "url": "https://certvde.com/en/advisories/VDE-2023-022/"
      },
      {
        "category": "self",
        "summary": "VDE-2023-022: CODESYS: Missing integrity check in CODESYS Development System - CSAF",
        "url": "https://codesys.csaf-tp.certvde.com/.well-known/csaf/white/2023/vde-2023-022.json"
      },
      {
        "category": "external",
        "summary": "Vendor PSIRT",
        "url": "https://www.codesys.com"
      },
      {
        "category": "external",
        "summary": "CERT@VDE Security Advisories for CODESYS GmbH",
        "url": "https://certvde.com/en/advisories/vendor/codesys/"
      }
    ],
    "title": "CODESYS: Missing integrity check in CODESYS Development System",
    "tracking": {
      "aliases": [
        "VDE-2023-022"
      ],
      "current_release_date": "2023-08-03T10:52:00.000Z",
      "generator": {
        "date": "2025-04-22T12:26:29.650Z",
        "engine": {
          "name": "Secvisogram",
          "version": "2.5.18"
        }
      },
      "id": "VDE-2023-022",
      "initial_release_date": "2023-08-03T10:52:00.000Z",
      "revision_history": [
        {
          "date": "2023-08-03T10:52:00.000Z",
          "number": "1",
          "summary": "Initial revision."
        }
      ],
      "status": "final",
      "version": "1"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "branches": [
                  {
                    "category": "product_version_range",
                    "name": "3.5.11.0\u003c3.5.19.20",
                    "product": {
                      "name": "CODESYS Development System 3.5.11.0\u003c3.5.19.20",
                      "product_id": "CSAFPID-51001"
                    }
                  },
                  {
                    "category": "product_version",
                    "name": "3.5.19.20",
                    "product": {
                      "name": "CODESYS Development System 3.5.19.20",
                      "product_id": "CSAFPID-52001"
                    }
                  }
                ],
                "category": "product_name",
                "name": "CODESYS Development System"
              }
            ],
            "category": "product_family",
            "name": "Software"
          }
        ],
        "category": "vendor",
        "name": "CODESYS"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2023-3663",
      "cwe": {
        "id": "CWE-940",
        "name": "Improper Verification of Source of a Communication Channel"
      },
      "notes": [
        {
          "category": "description",
          "text": "In CODESYS Development System versions from 3.5.11.20 and before 3.5.19.20 a missing integrity check might allow an unauthenticated remote attacker to manipulate the content of notifications received via HTTP by the CODESYS notification server.",
          "title": "Vulnerability Description"
        }
      ],
      "product_status": {
        "fixed": [
          "CSAFPID-52001"
        ],
        "known_affected": [
          "CSAFPID-51001"
        ]
      },
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "Update the CODESYS Development System to version 3.5.19.20.\nThe CODESYS Development System can be downloaded and installed directly with the CODESYS Installer or be downloaded from the CODESYS Store.\nAlternatively, you will find further information on obtaining the software update in the CODESYS Update area",
          "product_ids": [
            "CSAFPID-51001"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 8.8,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "environmentalScore": 8.8,
            "environmentalSeverity": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "temporalScore": 8.8,
            "temporalSeverity": "HIGH",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "products": [
            "CSAFPID-51001"
          ]
        }
      ],
      "title": "CVE-2023-3663"
    }
  ]
}


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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.