SSA-695540

Vulnerability from csaf_siemens - Published: 2021-05-17 00:00 - Updated: 2021-05-17 00:00
Summary
SSA-695540: ASM and PAR File Parsing Vulnerabilities in JT2Go and Teamcenter Visualization before V13.1.0.2

Notes

Summary
Siemens has released version V13.1.0.2 for JT2Go and Teamcenter Visualization to fix multiple vulnerabilities that could be triggered when the products read files in ASM and PAR file formats. If a user is tricked to opening of a malicious file with the affected products, this could lead to application crash, or potentially arbitrary code execution or data extraction on the target host system. Siemens recommends to update to the latest versions and to limit opening of untrusted files from unknown sources in the affected products.
General Recommendations
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. Additional information on Industrial Security by Siemens can be found at: https://www.siemens.com/industrialsecurity
Additional Resources
For further inquiries on security vulnerabilities in Siemens products and solutions, please contact the Siemens ProductCERT: https://www.siemens.com/cert/advisories
Terms of Use
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.
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{
  "document": {
    "acknowledgments": [
      {
        "organization": "Trend Micro Zero Day Initiative",
        "summary": "coordinated disclosure"
      },
      {
        "names": [
          "Carsten Eiram"
        ],
        "organization": "Risk Based Security",
        "summary": "coordinated disclosure of CVE-2020-26991"
      },
      {
        "organization": "Cybersecurity and Infrastructure Security Agency (CISA)",
        "summary": "coordination efforts"
      }
    ],
    "category": "Siemens Security Advisory",
    "csaf_version": "2.0",
    "distribution": {
      "text": "Disclosure is not limited.",
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      }
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    "notes": [
      {
        "category": "summary",
        "text": "Siemens has released version V13.1.0.2 for JT2Go and Teamcenter Visualization to fix multiple vulnerabilities that could be triggered when the products read files in ASM and PAR file formats. If a user is tricked to opening of a malicious file with the affected products, this could lead to application crash, or potentially arbitrary code execution or data extraction on the target host system.\n\nSiemens recommends to update to the latest versions and to limit opening of untrusted files from unknown sources in the affected products.",
        "title": "Summary"
      },
      {
        "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\u0027 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": "General Recommendations"
      },
      {
        "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": "Additional Resources"
      },
      {
        "category": "legal_disclaimer",
        "text": "Siemens Security Advisories are subject to the terms and conditions contained in Siemens\u0027 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\u0027 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.",
        "title": "Terms of Use"
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      },
      {
        "category": "self",
        "summary": "SSA-695540: ASM and PAR File Parsing Vulnerabilities in JT2Go and Teamcenter Visualization before V13.1.0.2 - CSAF Version",
        "url": "https://cert-portal.siemens.com/productcert/csaf/ssa-695540.json"
      }
    ],
    "title": "SSA-695540: ASM and PAR File Parsing Vulnerabilities in JT2Go and Teamcenter Visualization before V13.1.0.2",
    "tracking": {
      "current_release_date": "2021-05-17T00:00:00Z",
      "generator": {
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      "id": "SSA-695540",
      "initial_release_date": "2021-05-17T00:00:00Z",
      "revision_history": [
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          "legacy_version": "1.0",
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      ],
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  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version_range",
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      },
      "notes": [
        {
          "category": "summary",
          "text": "Affected applications lack proper validation of user-supplied data when parsing ASM files. This could lead to pointer dereferences of a value obtained from untrusted source. An attacker could leverage this vulnerability to execute code in the context of the current process. (ZDI-CAN-11899)",
          "title": "Summary"
        }
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          "url": "https://www.plm.automation.siemens.com/global/en/products/plm-components/jt2go.html"
        },
        {
          "summary": "CVE-2020-26991 Mitre 5.0 json",
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        }
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          "details": "Update to V13.1.0.2 or later version",
          "product_ids": [
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          ],
          "url": "https://www.plm.automation.siemens.com/global/en/products/plm-components/jt2go.html"
        },
        {
          "category": "vendor_fix",
          "details": "Update to V13.1.0.2 or later version",
          "product_ids": [
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        {
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          "details": "Avoid to open untrusted files from unknown sources in JT2Go and Teamcenter Visualization",
          "product_ids": [
            "1",
            "2"
          ]
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      ],
      "scores": [
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          "products": [
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      "title": "CVE-2020-26991"
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      "cwe": {
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      },
      "notes": [
        {
          "category": "summary",
          "text": "Affected applications lack proper validation of user-supplied data when parsing of PAR files. This could result in a memory access past the end of an allocated buffer. An attacker could leverage this vulnerability to leak information. (ZDI-CAN-12040)",
          "title": "Summary"
        }
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        },
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          "summary": "CVE-2020-26998 Mitre 5.0 json",
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        {
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          ]
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            "version": "3.1"
          },
          "products": [
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            "2"
          ]
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      ],
      "title": "CVE-2020-26998"
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        "name": "Out-of-bounds Read"
      },
      "notes": [
        {
          "category": "summary",
          "text": "Affected applications lack proper validation of user-supplied data when parsing of PAR files. This could result in a memory access past the end of an allocated buffer. An attacker could leverage this vulnerability to leak information. (ZDI-CAN-12042)",
          "title": "Summary"
        }
      ],
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          "2"
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          "summary": "CVE-2020-26999 - JT2Go",
          "url": "https://www.plm.automation.siemens.com/global/en/products/plm-components/jt2go.html"
        },
        {
          "summary": "CVE-2020-26999 Mitre 5.0 json",
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      ],
      "remediations": [
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        },
        {
          "category": "vendor_fix",
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            "2"
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      ],
      "scores": [
        {
          "cvss_v3": {
            "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",
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      "title": "CVE-2020-26999"
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        "name": "Stack-based Buffer Overflow"
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        {
          "category": "summary",
          "text": "Affected applications lack proper validation of user-supplied data when parsing of PAR files. This could result in a stack based buffer overflow. An attacker could leverage this vulnerability to execute code in the context of the current process. (ZDI-CAN-12041)",
          "title": "Summary"
        }
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          "url": "https://www.plm.automation.siemens.com/global/en/products/plm-components/jt2go.html"
        },
        {
          "summary": "CVE-2020-27001 Mitre 5.0 json",
          "url": "https://cert-portal.siemens.com/productcert/mitre/CVE-2020-27001.json"
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      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "Update to V13.1.0.2 or later version",
          "product_ids": [
            "1"
          ],
          "url": "https://www.plm.automation.siemens.com/global/en/products/plm-components/jt2go.html"
        },
        {
          "category": "vendor_fix",
          "details": "Update to V13.1.0.2 or later version",
          "product_ids": [
            "2"
          ]
        },
        {
          "category": "mitigation",
          "details": "Avoid to open untrusted files from unknown sources in JT2Go and Teamcenter Visualization",
          "product_ids": [
            "1",
            "2"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "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",
            "version": "3.1"
          },
          "products": [
            "1",
            "2"
          ]
        }
      ],
      "title": "CVE-2020-27001"
    },
    {
      "cve": "CVE-2020-27002",
      "cwe": {
        "id": "CWE-125",
        "name": "Out-of-bounds Read"
      },
      "notes": [
        {
          "category": "summary",
          "text": "Affected applications lack proper validation of user-supplied data when parsing of PAR files. This could result in a memory access past the end of an allocated buffer. An attacker could leverage this vulnerability to access data in the context of the current process. (ZDI-CAN-12043)",
          "title": "Summary"
        }
      ],
      "product_status": {
        "known_affected": [
          "1",
          "2"
        ]
      },
      "references": [
        {
          "summary": "CVE-2020-27002 - JT2Go",
          "url": "https://www.plm.automation.siemens.com/global/en/products/plm-components/jt2go.html"
        },
        {
          "summary": "CVE-2020-27002 Mitre 5.0 json",
          "url": "https://cert-portal.siemens.com/productcert/mitre/CVE-2020-27002.json"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "Update to V13.1.0.2 or later version",
          "product_ids": [
            "1"
          ],
          "url": "https://www.plm.automation.siemens.com/global/en/products/plm-components/jt2go.html"
        },
        {
          "category": "vendor_fix",
          "details": "Update to V13.1.0.2 or later version",
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            "2"
          ]
        },
        {
          "category": "mitigation",
          "details": "Avoid to open untrusted files from unknown sources in JT2Go and Teamcenter Visualization",
          "product_ids": [
            "1",
            "2"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "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",
            "version": "3.1"
          },
          "products": [
            "1",
            "2"
          ]
        }
      ],
      "title": "CVE-2020-27002"
    }
  ]
}


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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.