SSA-629512

Vulnerability from csaf_siemens - Published: 2020-01-14 00:00 - Updated: 2022-08-09 00:00
Summary
SSA-629512: Local Privilege Escalation Vulnerability in TIA Portal

Notes

Summary
The latest updates for TIA Portal fix a vulnerability that could allow a local attacker to execute arbitrary code with SYSTEM privileges. Update: The previously provided fixes only correctly set the permissions on English Windows versions. Siemens has released updates for several affected products and recommends to update to the latest versions. Siemens recommends specific countermeasures for products where updates are not, or not yet available.
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.

{
  "document": {
    "category": "csaf_security_advisory",
    "csaf_version": "2.0",
    "distribution": {
      "text": "Disclosure is not limited.",
      "tlp": {
        "label": "WHITE"
      }
    },
    "notes": [
      {
        "category": "summary",
        "text": "The latest updates for TIA Portal fix a vulnerability that could allow\na local attacker to execute arbitrary code with SYSTEM privileges.\nUpdate: The previously provided fixes only correctly set the\npermissions on English Windows versions.    Siemens has released\nupdates for several affected products and recommends to update to the\nlatest versions. Siemens recommends specific countermeasures for\nproducts where updates are not, or not yet available.",
        "title": "Summary"
      },
      {
        "category": "general",
        "text": "As a general security measure, Siemens strongly recommends to protect\nnetwork access to devices with appropriate mechanisms. In order to\noperate the devices in a protected IT environment, Siemens recommends\nto configure the environment according to Siemens\u0027 operational\nguidelines for Industrial Security (Download:\nhttps://www.siemens.com/cert/operational-guidelines-industrial-\nsecurity), and to follow the recommendations in the product manuals.\n\nAdditional information on Industrial Security by Siemens can be found\nat: 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"
      }
    ],
    "publisher": {
      "category": "vendor",
      "contact_details": "productcert@siemens.com",
      "name": "Siemens ProductCERT",
      "namespace": "https://www.siemens.com"
    },
    "references": [
      {
        "category": "self",
        "summary": "SSA-629512: Local Privilege Escalation Vulnerability in TIA Portal - PDF Version",
        "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-629512.pdf"
      },
      {
        "category": "self",
        "summary": "SSA-629512: Local Privilege Escalation Vulnerability in TIA Portal - TXT Version",
        "url": "https://cert-portal.siemens.com/productcert/txt/ssa-629512.txt"
      },
      {
        "category": "self",
        "summary": "SSA-629512: Local Privilege Escalation Vulnerability in TIA Portal - CSAF Version",
        "url": "https://cert-portal.siemens.com/productcert/csaf/ssa-629512.json"
      }
    ],
    "title": "SSA-629512: Local Privilege Escalation Vulnerability in TIA Portal",
    "tracking": {
      "current_release_date": "2022-08-09T00:00:00Z",
      "generator": {
        "engine": {
          "name": "Siemens ProductCERT CSAF Generator",
          "version": "1"
        }
      },
      "id": "SSA-629512",
      "initial_release_date": "2020-01-14T00:00:00Z",
      "revision_history": [
        {
          "date": "2020-01-14T00:00:00Z",
          "legacy_version": "1.0",
          "number": "1",
          "summary": "Publication Date"
        },
        {
          "date": "2020-04-14T00:00:00Z",
          "legacy_version": "1.1",
          "number": "2",
          "summary": "Added solution for TIA Portal V16"
        },
        {
          "date": "2021-01-12T00:00:00Z",
          "legacy_version": "1.2",
          "number": "3",
          "summary": "Added solution for TIA Portal V14"
        },
        {
          "date": "2021-12-14T00:00:00Z",
          "legacy_version": "1.3",
          "number": "4",
          "summary": "Errata: Removed solutions: The previously provided fixes only correctly set the permissions on Native Language Windows Versions in English or Multilingual User Interface (MUI) Windows Installations and added TIA Portal V17 as affected product."
        },
        {
          "date": "2022-05-10T00:00:00Z",
          "legacy_version": "1.4",
          "number": "5",
          "summary": "Added solution for TIA Portal V15"
        },
        {
          "date": "2022-06-14T00:00:00Z",
          "legacy_version": "1.5",
          "number": "6",
          "summary": "Added fix for TIA Portal V17"
        },
        {
          "date": "2022-08-09T00:00:00Z",
          "legacy_version": "1.6",
          "number": "7",
          "summary": "Added fix for TIA Portal V16"
        }
      ],
      "status": "final",
      "version": "7"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "vers:all/*",
                "product": {
                  "name": "TIA Portal V14",
                  "product_id": "1"
                }
              }
            ],
            "category": "product_name",
            "name": "TIA Portal V14"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003c V15.1 Update 7",
                "product": {
                  "name": "TIA Portal V15",
                  "product_id": "2"
                }
              }
            ],
            "category": "product_name",
            "name": "TIA Portal V15"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003c V16 Update 6",
                "product": {
                  "name": "TIA Portal V16",
                  "product_id": "3"
                }
              }
            ],
            "category": "product_name",
            "name": "TIA Portal V16"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003c V17 Update 4",
                "product": {
                  "name": "TIA Portal V17",
                  "product_id": "4"
                }
              }
            ],
            "category": "product_name",
            "name": "TIA Portal V17"
          }
        ],
        "category": "vendor",
        "name": "Siemens"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2019-10934",
      "cwe": {
        "id": "CWE-22",
        "name": "Improper Limitation of a Pathname to a Restricted Directory (\u0027Path Traversal\u0027)"
      },
      "notes": [
        {
          "category": "summary",
          "text": "Changing the contents of a configuration file could allow an attacker to\r\nexecute arbitrary code with SYSTEM privileges.\r\n\r\nThe security vulnerability could be exploited by an attacker with a valid\r\naccount and limited access rights on the system. No user interaction is\r\nrequired.\r\n\r\nAt the time of advisory publication no public exploitation of this security\r\nvulnerability was known.",
          "title": "Summary"
        }
      ],
      "product_status": {
        "known_affected": [
          "1",
          "2",
          "3",
          "4"
        ]
      },
      "remediations": [
        {
          "category": "mitigation",
          "details": "Remove write permissions for every non-administrative user on files\nand folders located below the \"TraceEngine\" folder (usually located at\n\"C:\\ProgramData\\Siemens\\Automation\")",
          "product_ids": [
            "1",
            "2",
            "3",
            "4"
          ]
        },
        {
          "category": "no_fix_planned",
          "details": "Currently no fix is planned",
          "product_ids": [
            "1"
          ]
        },
        {
          "category": "vendor_fix",
          "details": "Update to V16 Update 6 or later version",
          "product_ids": [
            "3"
          ],
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109775861/"
        },
        {
          "category": "vendor_fix",
          "details": "Update to V15.1 Update 7 or later version",
          "product_ids": [
            "2"
          ],
          "url": "https://support.industry.siemens.com/cs/de/de/view/109763890/"
        },
        {
          "category": "vendor_fix",
          "details": "Update to V17 Update 4 or later version",
          "product_ids": [
            "4"
          ],
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109784441/"
        },
        {
          "category": "workaround",
          "details": "A partially working fix for Native Language Windows Versions in\nEnglish or Multilingual User Interface (MUI) Windows Installation was\nincluded in TIA Portal Versions V14 SP1 Update 10, V15 SP1 Update\n4,V16 Update 1 and V17",
          "product_ids": [
            "1",
            "2",
            "3",
            "4"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 7.8,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:U/RC:C",
            "version": "3.1"
          },
          "products": [
            "1",
            "2",
            "3",
            "4"
          ]
        }
      ],
      "title": "CVE-2019-10934"
    }
  ]
}


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Sightings

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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.
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  • 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.


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