{
  "document": {
    "title": "SSA-478893: TightVNC Vulnerabilities in Industrial Products (Revoked)",
    "category": "Siemens Security Advisory",
    "csaf_version": "2.0",
    "publisher": {
      "name": "Siemens ProductCERT",
      "contact_details": "productcert@siemens.com",
      "category": "vendor",
      "namespace": "https://www.siemens.com"
    },
    "distribution": {
      "text": "Disclosure is not limited.",
      "tlp": {
        "label": "WHITE"
      }
    },
    "tracking": {
      "id": "SSA-478893",
      "status": "final",
      "version": "2",
      "revision_history": [
        {
          "number": "1",
          "legacy_version": "1.0",
          "date": "2020-12-08T00:00:00Z",
          "summary": "Publication Date"
        },
        {
          "number": "2",
          "legacy_version": "1.1",
          "date": "2021-05-11T00:00:00Z",
          "summary": "Errata - Revoked advisory"
        }
      ],
      "initial_release_date": "2020-12-08T00:00:00Z",
      "current_release_date": "2021-05-11T00:00:00Z",
      "generator": {
        "engine": {
          "name": "Siemens ProductCERT CSAF Generator",
          "version": "1"
        }
      }
    },
    "notes": [
      {
        "title": "Summary",
        "category": "summary",
        "text": "Multiple TightVNC (V1.x) vulnerabilities could allow remote code execution and Denial-of-Service attacks under certain conditions.\n\nSiemens has previously released this advisory containing a set of products that were considered to be affected. Through Siemens' continuous investigation processes it was identified that all products previously advised are not affected by any vulnerability listed in this advisory."
      },
      {
        "title": "General Recommendations",
        "category": "general",
        "text": "As a general security measure, Siemens strongly recommends to protect network access to devices with appropriate mechanisms. In order to operate the devices in a protected IT environment, Siemens recommends to configure the environment according to Siemens' operational guidelines for Industrial Security (Download: https://www.siemens.com/cert/operational-guidelines-industrial-security), and to follow the recommendations in the product manuals.\n\nAdditional information on Industrial Security by Siemens can be found at: https://www.siemens.com/industrialsecurity"
      },
      {
        "title": "Additional Resources",
        "category": "general",
        "text": "For further inquiries on security vulnerabilities in Siemens products and solutions, please contact the Siemens ProductCERT: https://www.siemens.com/cert/advisories"
      },
      {
        "title": "Terms of Use",
        "category": "legal_disclaimer",
        "text": "Siemens Security Advisories are subject to the terms and conditions contained in Siemens' underlying license terms or other applicable agreements previously agreed to with Siemens (hereinafter \"License Terms\"). To the extent applicable to information, software or documentation made available in or through a Siemens Security Advisory, the Terms of Use of Siemens' Global Website (https://www.siemens.com/terms_of_use, hereinafter \"Terms of Use\"), in particular Sections 8-10 of the Terms of Use, shall apply additionally. In case of conflicts, the License Terms shall prevail over the Terms of Use."
      }
    ],
    "references": [
      {
        "category": "self",
        "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-478893.pdf",
        "summary": "SSA-478893: TightVNC Vulnerabilities in Industrial Products (Revoked) - PDF Version"
      },
      {
        "category": "self",
        "url": "https://cert-portal.siemens.com/productcert/txt/ssa-478893.txt",
        "summary": "SSA-478893: TightVNC Vulnerabilities in Industrial Products (Revoked) - TXT Version"
      },
      {
        "category": "self",
        "url": "https://cert-portal.siemens.com/productcert/csaf/ssa-478893.json",
        "summary": "SSA-478893: TightVNC Vulnerabilities in Industrial Products (Revoked) - CSAF Version"
      }
    ]
  },
  "product_tree": {
    "branches": [
      {
        "name": "Siemens",
        "category": "vendor",
        "branches": [
          {
            "name": "SIMATIC HMI Comfort Outdoor Panels 7\" & 15\" (incl. SIPLUS variants)",
            "category": "product_name",
            "branches": [
              {
                "name": "No version",
                "category": "product_version_range",
                "product": {
                  "product_id": "1",
                  "name": "SIMATIC HMI Comfort Outdoor Panels 7\" & 15\" (incl. SIPLUS variants)"
                }
              }
            ]
          },
          {
            "name": "SIMATIC HMI Comfort Panels 4\" - 22\" (incl. SIPLUS variants)",
            "category": "product_name",
            "branches": [
              {
                "name": "No version",
                "category": "product_version_range",
                "product": {
                  "product_id": "2",
                  "name": "SIMATIC HMI Comfort Panels 4\" - 22\" (incl. SIPLUS variants)"
                }
              }
            ]
          },
          {
            "name": "SIMATIC HMI KTP Mobile Panels KTP400F, KTP700, KTP700F, KTP900 and KTP900F",
            "category": "product_name",
            "branches": [
              {
                "name": "No version",
                "category": "product_version_range",
                "product": {
                  "product_id": "3",
                  "name": "SIMATIC HMI KTP Mobile Panels KTP400F, KTP700, KTP700F, KTP900 and KTP900F"
                }
              }
            ]
          },
          {
            "name": "SIMATIC ITC1500 V3.1",
            "category": "product_name",
            "branches": [
              {
                "name": "No version",
                "category": "product_version_range",
                "product": {
                  "product_id": "4",
                  "name": "SIMATIC ITC1500 V3.1"
                }
              }
            ]
          },
          {
            "name": "SIMATIC ITC1500 V3.1 PRO",
            "category": "product_name",
            "branches": [
              {
                "name": "No version",
                "category": "product_version_range",
                "product": {
                  "product_id": "5",
                  "name": "SIMATIC ITC1500 V3.1 PRO"
                }
              }
            ]
          },
          {
            "name": "SIMATIC ITC1900 V3.1",
            "category": "product_name",
            "branches": [
              {
                "name": "No version",
                "category": "product_version_range",
                "product": {
                  "product_id": "6",
                  "name": "SIMATIC ITC1900 V3.1"
                }
              }
            ]
          },
          {
            "name": "SIMATIC ITC1900 V3.1 PRO",
            "category": "product_name",
            "branches": [
              {
                "name": "No version",
                "category": "product_version_range",
                "product": {
                  "product_id": "7",
                  "name": "SIMATIC ITC1900 V3.1 PRO"
                }
              }
            ]
          },
          {
            "name": "SIMATIC ITC2200 V3.1",
            "category": "product_name",
            "branches": [
              {
                "name": "No version",
                "category": "product_version_range",
                "product": {
                  "product_id": "8",
                  "name": "SIMATIC ITC2200 V3.1"
                }
              }
            ]
          },
          {
            "name": "SIMATIC ITC2200 V3.1 PRO",
            "category": "product_name",
            "branches": [
              {
                "name": "No version",
                "category": "product_version_range",
                "product": {
                  "product_id": "9",
                  "name": "SIMATIC ITC2200 V3.1 PRO"
                }
              }
            ]
          },
          {
            "name": "SIMATIC WinCC Runtime Advanced",
            "category": "product_name",
            "branches": [
              {
                "name": "No version",
                "category": "product_version_range",
                "product": {
                  "product_id": "10",
                  "name": "SIMATIC WinCC Runtime Advanced"
                }
              }
            ]
          },
          {
            "name": "SIMATIC WinCC Runtime Professional",
            "category": "product_name",
            "branches": [
              {
                "name": "No version",
                "category": "product_version_range",
                "product": {
                  "product_id": "11",
                  "name": "SIMATIC WinCC Runtime Professional"
                }
              }
            ]
          }
        ]
      }
    ]
  },
  "vulnerabilities": [
    {
      "title": "CVE-2019-8287",
      "notes": [
        {
          "title": "Summary",
          "category": "summary",
          "text": "TightVNC code version 1.3.10 contains global buffer overflow in HandleCoRREBBP macro function, which can potentially result in code execution. This attack appear to be exploitable via network connectivity."
        }
      ],
      "cve": "CVE-2019-8287",
      "cwe": {
        "id": "CWE-120",
        "name": "Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')"
      },
      "product_status": {
        "known_affected": [
          "1",
          "2",
          "3",
          "4",
          "5",
          "6",
          "7",
          "8",
          "9",
          "10",
          "11"
        ]
      },
      "scores": [
        {
          "cvss_v3": {
            "version": "3.1",
            "baseScore": 9.8,
            "baseSeverity": "CRITICAL",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C"
          },
          "products": [
            "1",
            "2",
            "3",
            "4",
            "5",
            "6",
            "7",
            "8",
            "9",
            "10",
            "11"
          ]
        }
      ],
      "remediations": [
        {
          "product_ids": [
            "1",
            "2",
            "3",
            "4",
            "5",
            "6",
            "7",
            "8",
            "9",
            "10",
            "11"
          ],
          "category": "vendor_fix",
          "details": "This product is not affected by any vulnerability listed in this advisory"
        }
      ],
      "references": [
        {
          "url": "https://cert-portal.siemens.com/productcert/mitre/CVE-2019-8287.json",
          "summary": "CVE-2019-8287 Mitre 5.0 json"
        }
      ]
    },
    {
      "title": "CVE-2019-15678",
      "notes": [
        {
          "title": "Summary",
          "category": "summary",
          "text": "TightVNC code version 1.3.10 contains heap buffer overflow in rfbServerCutText handler, which can potentially result in code execution. This attack appear to be exploitable via network connectivity."
        }
      ],
      "cve": "CVE-2019-15678",
      "cwe": {
        "id": "CWE-122",
        "name": "Heap-based Buffer Overflow"
      },
      "product_status": {
        "known_affected": [
          "1",
          "2",
          "3",
          "4",
          "5",
          "6",
          "7",
          "8",
          "9",
          "10",
          "11"
        ]
      },
      "scores": [
        {
          "cvss_v3": {
            "version": "3.1",
            "baseScore": 9.8,
            "baseSeverity": "CRITICAL",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C"
          },
          "products": [
            "1",
            "2",
            "3",
            "4",
            "5",
            "6",
            "7",
            "8",
            "9",
            "10",
            "11"
          ]
        }
      ],
      "remediations": [
        {
          "product_ids": [
            "1",
            "2",
            "3",
            "4",
            "5",
            "6",
            "7",
            "8",
            "9",
            "10",
            "11"
          ],
          "category": "vendor_fix",
          "details": "This product is not affected by any vulnerability listed in this advisory"
        }
      ],
      "references": [
        {
          "url": "https://cert-portal.siemens.com/productcert/mitre/CVE-2019-15678.json",
          "summary": "CVE-2019-15678 Mitre 5.0 json"
        }
      ]
    },
    {
      "title": "CVE-2019-15679",
      "notes": [
        {
          "title": "Summary",
          "category": "summary",
          "text": "TightVNC code version 1.3.10 contains heap buffer overflow in InitialiseRFBConnection function, which can potentially result in code execution. This attack appear to be exploitable via network connectivity."
        }
      ],
      "cve": "CVE-2019-15679",
      "cwe": {
        "id": "CWE-122",
        "name": "Heap-based Buffer Overflow"
      },
      "product_status": {
        "known_affected": [
          "1",
          "2",
          "3",
          "4",
          "5",
          "6",
          "7",
          "8",
          "9",
          "10",
          "11"
        ]
      },
      "scores": [
        {
          "cvss_v3": {
            "version": "3.1",
            "baseScore": 9.8,
            "baseSeverity": "CRITICAL",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C"
          },
          "products": [
            "1",
            "2",
            "3",
            "4",
            "5",
            "6",
            "7",
            "8",
            "9",
            "10",
            "11"
          ]
        }
      ],
      "remediations": [
        {
          "product_ids": [
            "1",
            "2",
            "3",
            "4",
            "5",
            "6",
            "7",
            "8",
            "9",
            "10",
            "11"
          ],
          "category": "vendor_fix",
          "details": "This product is not affected by any vulnerability listed in this advisory"
        }
      ],
      "references": [
        {
          "url": "https://cert-portal.siemens.com/productcert/mitre/CVE-2019-15679.json",
          "summary": "CVE-2019-15679 Mitre 5.0 json"
        }
      ]
    },
    {
      "title": "CVE-2019-15680",
      "notes": [
        {
          "title": "Summary",
          "category": "summary",
          "text": "TightVNC code version 1.3.10 contains null pointer dereference in HandleZlibBPP function, which could result in a Denial-of-Service (DoS). This attack appear to be exploitable via network connectivity."
        }
      ],
      "cve": "CVE-2019-15680",
      "cwe": {
        "id": "CWE-476",
        "name": "NULL Pointer Dereference"
      },
      "product_status": {
        "known_affected": [
          "1",
          "2",
          "3",
          "4",
          "5",
          "6",
          "7",
          "8",
          "9",
          "10",
          "11"
        ]
      },
      "scores": [
        {
          "cvss_v3": {
            "version": "3.1",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:P/RL:O/RC:C"
          },
          "products": [
            "1",
            "2",
            "3",
            "4",
            "5",
            "6",
            "7",
            "8",
            "9",
            "10",
            "11"
          ]
        }
      ],
      "remediations": [
        {
          "product_ids": [
            "1",
            "2",
            "3",
            "4",
            "5",
            "6",
            "7",
            "8",
            "9",
            "10",
            "11"
          ],
          "category": "vendor_fix",
          "details": "This product is not affected by any vulnerability listed in this advisory"
        }
      ],
      "references": [
        {
          "url": "https://cert-portal.siemens.com/productcert/mitre/CVE-2019-15680.json",
          "summary": "CVE-2019-15680 Mitre 5.0 json"
        }
      ]
    }
  ]
}