{
  "document": {
    "title": "SSA-938030: DGN and PAR File Parsing Vulnerabilities in JT2Go and Teamcenter Visualization before V13.2.0.2",
    "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-938030",
      "status": "final",
      "version": "2",
      "revision_history": [
        {
          "number": "1",
          "legacy_version": "1.0",
          "date": "2021-08-10T00:00:00Z",
          "summary": "Publication Date"
        },
        {
          "number": "2",
          "legacy_version": "1.1",
          "date": "2021-09-14T00:00:00Z",
          "summary": "Added download links for the fix releases"
        }
      ],
      "initial_release_date": "2021-08-10T00:00:00Z",
      "current_release_date": "2021-09-14T00:00:00Z",
      "generator": {
        "engine": {
          "name": "Siemens ProductCERT CSAF Generator",
          "version": "1"
        }
      }
    },
    "notes": [
      {
        "title": "Summary",
        "category": "summary",
        "text": "Siemens has released version V13.2.0.2 for JT2Go and Teamcenter Visualization to fix three vulnerabilities that could be triggered while parsing DGN or PAR files. If a user is tricked to open a malicious file with the affected products, this could lead the application to crash or potential arbitrary code execution.\n\nSiemens recommends to update to the latest versions and to limit opening of untrusted files from unknown sources in the affected products.\n\nNote:\n\n-   This advisory also covers security vulnerabilities recently disclosed by Open Design Alliance [0]\n\n[0] https://www.opendesign.com/security-advisories"
      },
      {
        "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-938030.pdf",
        "summary": "SSA-938030: DGN and PAR File Parsing Vulnerabilities in JT2Go and Teamcenter Visualization before V13.2.0.2 - PDF Version"
      },
      {
        "category": "self",
        "url": "https://cert-portal.siemens.com/productcert/txt/ssa-938030.txt",
        "summary": "SSA-938030: DGN and PAR File Parsing Vulnerabilities in JT2Go and Teamcenter Visualization before V13.2.0.2 - TXT Version"
      },
      {
        "category": "self",
        "url": "https://cert-portal.siemens.com/productcert/csaf/ssa-938030.json",
        "summary": "SSA-938030: DGN and PAR File Parsing Vulnerabilities in JT2Go and Teamcenter Visualization before V13.2.0.2 - CSAF Version"
      }
    ],
    "acknowledgments": [
      {
        "organization": "Trend Micro Zero Day Initiative",
        "summary": "coordinated disclosure"
      },
      {
        "organization": "Open Design Alliance",
        "summary": "coordination efforts"
      }
    ]
  },
  "product_tree": {
    "branches": [
      {
        "name": "Siemens",
        "category": "vendor",
        "branches": [
          {
            "name": "JT2Go",
            "category": "product_name",
            "branches": [
              {
                "name": "< V13.2.0.2",
                "category": "product_version_range",
                "product": {
                  "product_id": "1",
                  "name": "JT2Go"
                }
              }
            ]
          },
          {
            "name": "Teamcenter Visualization",
            "category": "product_name",
            "branches": [
              {
                "name": "< V13.2.0.2",
                "category": "product_version_range",
                "product": {
                  "product_id": "2",
                  "name": "Teamcenter Visualization"
                }
              }
            ]
          }
        ]
      }
    ]
  },
  "vulnerabilities": [
    {
      "title": "CVE-2021-32946",
      "notes": [
        {
          "title": "Summary",
          "category": "summary",
          "text": "An improper check for unusual or exceptional conditions issue exists within the parsing DGN files from Open Design Alliance Drawings SDK (Version 2022.4 and prior) resulting from the lack of proper validation of the user-supplied data. This may result in several of out-of-bounds problems and allow attackers to cause a denial-of-service condition or execute code in the context of the current process."
        }
      ],
      "cve": "CVE-2021-32946",
      "cwe": {
        "id": "CWE-754",
        "name": "Improper Check for Unusual or Exceptional Conditions"
      },
      "product_status": {
        "known_affected": [
          "1",
          "2"
        ]
      },
      "scores": [
        {
          "cvss_v3": {
            "version": "3.1",
            "baseScore": 7.8,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C"
          },
          "products": [
            "1",
            "2"
          ]
        }
      ],
      "remediations": [
        {
          "product_ids": [
            "1"
          ],
          "category": "vendor_fix",
          "details": "Update to V13.2.0.2 or later version",
          "url": "https://www.plm.automation.siemens.com/global/en/products/plm-components/jt2go.html"
        },
        {
          "product_ids": [
            "2"
          ],
          "category": "vendor_fix",
          "details": "Update to V13.2.0.2 or later version"
        },
        {
          "product_ids": [
            "1",
            "2"
          ],
          "category": "mitigation",
          "details": "Avoid to open untrusted files from unknown sources in JT2Go and Teamcenter Visualization"
        }
      ],
      "references": [
        {
          "url": "https://www.plm.automation.siemens.com/global/en/products/plm-components/jt2go.html",
          "summary": "CVE-2021-32946 - JT2Go"
        },
        {
          "url": "https://cert-portal.siemens.com/productcert/mitre/CVE-2021-32946.json",
          "summary": "CVE-2021-32946 Mitre 5.0 json"
        }
      ]
    },
    {
      "title": "CVE-2021-32952",
      "notes": [
        {
          "title": "Summary",
          "category": "summary",
          "text": "An out-of-bounds write issue exists in the DGN file-reading procedure in the Drawings SDK (Version 2022.4 and prior) resulting from the lack of proper validation of user-supplied data. This can result in a write past the end of an allocated buffer and allow attackers to cause a denial-of-service condition or execute code in the context of the current process."
        }
      ],
      "cve": "CVE-2021-32952",
      "cwe": {
        "id": "CWE-787",
        "name": "Out-of-bounds Write"
      },
      "product_status": {
        "known_affected": [
          "1",
          "2"
        ]
      },
      "scores": [
        {
          "cvss_v3": {
            "version": "3.1",
            "baseScore": 7.8,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C"
          },
          "products": [
            "1",
            "2"
          ]
        }
      ],
      "remediations": [
        {
          "product_ids": [
            "1"
          ],
          "category": "vendor_fix",
          "details": "Update to V13.2.0.2 or later version",
          "url": "https://www.plm.automation.siemens.com/global/en/products/plm-components/jt2go.html"
        },
        {
          "product_ids": [
            "2"
          ],
          "category": "vendor_fix",
          "details": "Update to V13.2.0.2 or later version"
        },
        {
          "product_ids": [
            "1",
            "2"
          ],
          "category": "mitigation",
          "details": "Avoid to open untrusted files from unknown sources in JT2Go and Teamcenter Visualization"
        }
      ],
      "references": [
        {
          "url": "https://www.plm.automation.siemens.com/global/en/products/plm-components/jt2go.html",
          "summary": "CVE-2021-32952 - JT2Go"
        },
        {
          "url": "https://cert-portal.siemens.com/productcert/mitre/CVE-2021-32952.json",
          "summary": "CVE-2021-32952 Mitre 5.0 json"
        }
      ]
    },
    {
      "title": "CVE-2021-33738",
      "notes": [
        {
          "title": "Summary",
          "category": "summary",
          "text": "The plmxmlAdapterSE70.dll library in affected applications lacks proper validation of user-supplied data when parsing PAR files. This could result in an out of bounds read past the end of an allocated buffer. An attacker could leverage this vulnerability to leak information in the context of the current process. (ZDI-CAN-13405)"
        }
      ],
      "cve": "CVE-2021-33738",
      "cwe": {
        "id": "CWE-125",
        "name": "Out-of-bounds Read"
      },
      "product_status": {
        "known_affected": [
          "1",
          "2"
        ]
      },
      "scores": [
        {
          "cvss_v3": {
            "version": "3.1",
            "baseScore": 3.3,
            "baseSeverity": "LOW",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N/E:P/RL:O/RC:C"
          },
          "products": [
            "1",
            "2"
          ]
        }
      ],
      "remediations": [
        {
          "product_ids": [
            "1"
          ],
          "category": "vendor_fix",
          "details": "Update to V13.2.0.2 or later version",
          "url": "https://www.plm.automation.siemens.com/global/en/products/plm-components/jt2go.html"
        },
        {
          "product_ids": [
            "2"
          ],
          "category": "vendor_fix",
          "details": "Update to V13.2.0.2 or later version"
        },
        {
          "product_ids": [
            "1",
            "2"
          ],
          "category": "mitigation",
          "details": "Avoid to open untrusted files from unknown sources in JT2Go and Teamcenter Visualization"
        }
      ],
      "references": [
        {
          "url": "https://www.plm.automation.siemens.com/global/en/products/plm-components/jt2go.html",
          "summary": "CVE-2021-33738 - JT2Go"
        },
        {
          "url": "https://cert-portal.siemens.com/productcert/mitre/CVE-2021-33738.json",
          "summary": "CVE-2021-33738 Mitre 5.0 json"
        }
      ]
    }
  ]
}