icsa-19-344-03
Vulnerability from csaf_cisa
Published
2019-12-10 00:00
Modified
2019-12-10 00:00
Summary
Siemens RUGGEDCOM ROS (Update A)

Notes

CISA Disclaimer
This CSAF advisory was extracted from unstructured data and may contain inaccuracies. If you notice any errors, please reach out to the designated contact at CISA CSAF: central@cisa.dhs.gov
Legal Notice
All information products included in https://us-cert.cisa.gov/ics are provided "as is" for informational purposes only. The Department of Homeland Security (DHS) does not provide any warranties of any kind regarding any information contained within. DHS does not endorse any commercial product or service, referenced in this product or otherwise. Further dissemination of this product is governed by the Traffic Light Protocol (TLP) marking in the header. For more information about TLP, see https://us-cert.cisa.gov/tlp/.
Risk evaluation
Successful exploitation of these vulnerabilities could allow a denial-of-service condition or arbitrary code execution.
Critical infrastructure sectors
Energy, Healthcare and Public Health, Transportation Systems
Countries/areas deployed
Worldwide
Company headquarters location
Germany
Recommended Practices
CISA recommends users take defensive measures to minimize the risk of exploitation of these vulnerabilities. Specifically, users should:
Recommended Practices
CISA reminds organizations to perform proper impact analysis and risk assessment prior to deploying defensive measures. CISA also provides a section for control systems security recommended practices on the ICS webpage onus-cert.gov. Several recommended practices are available for reading and download, including Improving Industrial Control Systems Cybersecurity with Defense-in-Depth Strategies.
Recommended Practices
Additional mitigation guidance and recommended practices are publicly available on the ICS webpage on us-cert.gov in the Technical Information Paper, ICS-TIP-12-146-01B--Targeted Cyber Intrusion Detection and Mitigation Strategies. Organizations observing any suspected malicious activity should follow their established internal procedures and report their findings to CISA for tracking and correlation against other incidents.
Additional Resources
For further inquiries on security vulnerabilities in Siemens products and solutions, please contact the Siemens ProductCERT: https://www.siemens.com/cert/advisories
Exploitability
No known public exploits specifically target these vulnerabilities. These vulnerabilities are not exploitable remotely.


To clipboard 

{
  "document": {
    "acknowledgments": [
      {
        "organization": "Siemens",
        "summary": "reporting these vulnerabilities to CISA"
      }
    ],
    "category": "csaf_security_advisory",
    "csaf_version": "2.0",
    "distribution": {
      "text": "Disclosure is not limited",
      "tlp": {
        "label": "WHITE",
        "url": "https://us-cert.cisa.gov/tlp/"
      }
    },
    "lang": "en-US",
    "notes": [
      {
        "category": "general",
        "text": "This CSAF advisory was extracted from unstructured data and may contain inaccuracies. If you notice any errors, please reach out to the designated contact at CISA CSAF: central@cisa.dhs.gov",
        "title": "CISA Disclaimer"
      },
      {
        "category": "legal_disclaimer",
        "text": "All information products included in https://us-cert.cisa.gov/ics are provided \"as is\" for informational purposes only. The Department of Homeland Security (DHS) does not provide any warranties of any kind regarding any information contained within. DHS does not endorse any commercial product or service, referenced in this product or otherwise. Further dissemination of this product is governed by the Traffic Light Protocol (TLP) marking in the header. For more information about TLP, see https://us-cert.cisa.gov/tlp/.",
        "title": "Legal Notice"
      },
      {
        "category": "summary",
        "text": "Successful exploitation of these vulnerabilities could allow a denial-of-service condition or arbitrary code execution.",
        "title": "Risk evaluation"
      },
      {
        "category": "other",
        "text": "Energy, Healthcare and Public Health, Transportation Systems",
        "title": "Critical infrastructure sectors"
      },
      {
        "category": "other",
        "text": "Worldwide",
        "title": "Countries/areas deployed"
      },
      {
        "category": "other",
        "text": "Germany",
        "title": "Company headquarters location"
      },
      {
        "category": "general",
        "text": "CISA recommends users take defensive measures to minimize the risk of exploitation of these vulnerabilities. Specifically, users should:",
        "title": "Recommended Practices"
      },
      {
        "category": "general",
        "text": "CISA reminds organizations to perform proper impact analysis and risk assessment prior to deploying defensive measures.\nCISA also provides a section for control systems security recommended practices on the ICS webpage onus-cert.gov. Several recommended practices are available for reading and download, including Improving Industrial Control Systems Cybersecurity with Defense-in-Depth Strategies.",
        "title": "Recommended Practices"
      },
      {
        "category": "general",
        "text": "Additional mitigation guidance and recommended practices are publicly available on the ICS webpage on us-cert.gov in the Technical Information Paper, ICS-TIP-12-146-01B--Targeted Cyber Intrusion Detection and Mitigation Strategies.\nOrganizations observing any suspected malicious activity should follow their established internal procedures and report their findings to CISA for tracking and correlation against other incidents.",
        "title": "Recommended Practices"
      },
      {
        "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": "other",
        "text": "No known public exploits specifically target these vulnerabilities. These vulnerabilities are not exploitable remotely.",
        "title": "Exploitability"
      }
    ],
    "publisher": {
      "category": "coordinator",
      "contact_details": "Email: CISAservicedesk@cisa.dhs.gov;\n Toll Free: 1-888-282-0870",
      "name": "CISA",
      "namespace": "https://www.cisa.gov/"
    },
    "references": [
      {
        "category": "external",
        "summary": "SSA-618620 Vulnerabilities in Boot Loader (U-Boot) of RUGGEDCOM ROS Devices - CSAF Version",
        "url": "https://cert-portal.siemens.com/productcert/csaf/ssa-618620.json"
      },
      {
        "category": "self",
        "summary": "ICS Advisory ICSA-19-344-03 JSON",
        "url": "https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/OT/white/2019/icsa-19-344-03.json"
      },
      {
        "category": "self",
        "summary": "ICS Advisory ICSA-19-344-03 Web Version",
        "url": "https://www.cisa.gov/news-events/ics-advisories/icsa-19-344-03"
      },
      {
        "category": "external",
        "summary": "Recommended Practices",
        "url": "https://www.cisa.gov/news-events/ics-advisories/icsa-19-344-03"
      },
      {
        "category": "external",
        "summary": "Recommended Practices",
        "url": "https://www.us-cert.gov/sites/default/files/recommended_practices/NCCIC_ICS-CERT_Defense_in_Depth_2016_S508C.pdf"
      },
      {
        "category": "external",
        "summary": "Recommended Practices",
        "url": "https://www.us-cert.gov/ics/tips/ICS-TIP-12-146-01B"
      },
      {
        "category": "external",
        "summary": "SSA-618620 Vulnerabilities in Boot Loader (U-Boot) of RUGGEDCOM ROS Devices - PDF Version",
        "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-618620.pdf"
      },
      {
        "category": "external",
        "summary": "SSA-618620 Vulnerabilities in Boot Loader (U-Boot) of RUGGEDCOM ROS Devices - TXT Version",
        "url": "https://cert-portal.siemens.com/productcert/txt/ssa-618620.txt"
      }
    ],
    "title": "Siemens RUGGEDCOM ROS (Update A)",
    "tracking": {
      "current_release_date": "2019-12-10T00:00:00.000000Z",
      "generator": {
        "engine": {
          "name": "CISA CSAF Generator",
          "version": "1.0.0"
        }
      },
      "id": "ICSA-19-344-03",
      "initial_release_date": "2019-12-10T00:00:00.000000Z",
      "revision_history": [
        {
          "date": "2019-12-10T00:00:00.000000Z",
          "legacy_version": "Initial",
          "number": "1",
          "summary": "ICSA-19-344-03 Siemens RUGGEDCOM ROS"
        }
      ],
      "status": "final",
      "version": "1"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "All versions with U-Boot \u003c V2016.05RS09",
                "product": {
                  "name": "RUGGEDCOM ROS RMC8388",
                  "product_id": "CSAFPID-0001"
                }
              }
            ],
            "category": "product_name",
            "name": "RUGGEDCOM ROS RMC8388"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003e= V2016.05RS09",
                "product": {
                  "name": "RUGGEDCOM ROS RSG2488",
                  "product_id": "CSAFPID-0002"
                }
              },
              {
                "category": "product_version_range",
                "name": "All versions with U-Boot \u003c V2016.05RS09",
                "product": {
                  "name": "RUGGEDCOM ROS RSG2488",
                  "product_id": "CSAFPID-0003"
                }
              }
            ],
            "category": "product_name",
            "name": "RUGGEDCOM ROS RSG2488"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "All versions with U-Boot \u003c V2016.05RS09",
                "product": {
                  "name": "RUGGEDCOM ROS RSG900C",
                  "product_id": "CSAFPID-0004"
                }
              }
            ],
            "category": "product_name",
            "name": "RUGGEDCOM ROS RSG900C"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "All versions with U-Boot \u003c V2016.05RS09",
                "product": {
                  "name": "RUGGEDCOM ROS RSG900R",
                  "product_id": "CSAFPID-0005"
                }
              }
            ],
            "category": "product_name",
            "name": "RUGGEDCOM ROS RSG900R"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "All versions with U-Boot \u003c V2016.05RS09",
                "product": {
                  "name": "RUGGEDCOM ROS RSG907R",
                  "product_id": "CSAFPID-0006"
                }
              }
            ],
            "category": "product_name",
            "name": "RUGGEDCOM ROS RSG907R"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "All versions with U-Boot \u003c V2016.05RS09",
                "product": {
                  "name": "RUGGEDCOM ROS RSG908C",
                  "product_id": "CSAFPID-0007"
                }
              }
            ],
            "category": "product_name",
            "name": "RUGGEDCOM ROS RSG908C"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "All versions with U-Boot \u003c V2016.05RS09",
                "product": {
                  "name": "RUGGEDCOM ROS RSG909R",
                  "product_id": "CSAFPID-0008"
                }
              }
            ],
            "category": "product_name",
            "name": "RUGGEDCOM ROS RSG909R"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "All versions with U-Boot \u003c V2016.05RS09",
                "product": {
                  "name": "RUGGEDCOM ROS RSG910C",
                  "product_id": "CSAFPID-0009"
                }
              }
            ],
            "category": "product_name",
            "name": "RUGGEDCOM ROS RSG910C"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003e= V2016.05RS09",
                "product": {
                  "name": "RUGGEDCOM ROS RSG920P",
                  "product_id": "CSAFPID-00010"
                }
              },
              {
                "category": "product_version_range",
                "name": "All versions with U-Boot \u003c V2016.05RS09",
                "product": {
                  "name": "RUGGEDCOM ROS RSG920P",
                  "product_id": "CSAFPID-00011"
                }
              }
            ],
            "category": "product_name",
            "name": "RUGGEDCOM ROS RSG920P"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "All versions with U-Boot \u003c V2016.05RS09",
                "product": {
                  "name": "RUGGEDCOM ROS RSL910",
                  "product_id": "CSAFPID-00012"
                }
              }
            ],
            "category": "product_name",
            "name": "RUGGEDCOM ROS RSL910"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003e= V2016.05RS09",
                "product": {
                  "name": "RUGGEDCOM ROS RST2228",
                  "product_id": "CSAFPID-00013"
                }
              },
              {
                "category": "product_version_range",
                "name": "All versions with U-Boot \u003c V2016.05RS09",
                "product": {
                  "name": "RUGGEDCOM ROS RST2228",
                  "product_id": "CSAFPID-00014"
                }
              }
            ],
            "category": "product_name",
            "name": "RUGGEDCOM ROS RST2228"
          }
        ],
        "category": "vendor",
        "name": "Siemens"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2018-18440",
      "cwe": {
        "id": "CWE-119",
        "name": "Improper Restriction of Operations within the Bounds of a Memory Buffer"
      },
      "notes": [
        {
          "category": "summary",
          "text": "The embedded DENX U-Boot boot loader has a locally exploitable buffer overflow via a crafted kernel image because filesystem loading is mishandled.\n\nThe security vulnerability could be exploited by an attacker with local access to the affected systems. The vulnerability could allow an attacker to compromise confidentiality, integrity and availability of the system.\n\nAt the time of advisory publication no public exploitation of this security vulnerability was known.\nCVE-2018-18440 has been assigned to this vulnerability. A CVSS v3 base score of 7.8 has been calculated; the CVSS vector string is (AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H).",
          "title": "Summary"
        }
      ],
      "product_status": {
        "known_affected": [
          "CSAFPID-0001",
          "CSAFPID-0003",
          "CSAFPID-0004",
          "CSAFPID-0005",
          "CSAFPID-0006",
          "CSAFPID-0007",
          "CSAFPID-0008",
          "CSAFPID-0009",
          "CSAFPID-00011",
          "CSAFPID-00012",
          "CSAFPID-00014"
        ]
      },
      "references": [
        {
          "category": "external",
          "summary": "web.nvd.nist.gov",
          "url": "http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2018-18440"
        },
        {
          "category": "external",
          "summary": "www.first.org",
          "url": "https://www.first.org/cvss/calculator/3.0#CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"
        }
      ],
      "remediations": [
        {
          "category": "mitigation",
          "details": "Disable boot interface access during boot up via the \u0027bootoption.txt\u0027\nfile parameter \u0027Security = yes\u0027 to mitigate CVE-2018-18440.",
          "product_ids": [
            "CSAFPID-0001",
            "CSAFPID-0003",
            "CSAFPID-0004",
            "CSAFPID-0005",
            "CSAFPID-0006",
            "CSAFPID-0007",
            "CSAFPID-0008",
            "CSAFPID-0009",
            "CSAFPID-00011",
            "CSAFPID-00012",
            "CSAFPID-00014"
          ]
        },
        {
          "category": "no_fix_planned",
          "details": "Currently no fix is planned",
          "product_ids": [
            "CSAFPID-0001",
            "CSAFPID-0003",
            "CSAFPID-0004",
            "CSAFPID-0005",
            "CSAFPID-0006",
            "CSAFPID-0007",
            "CSAFPID-0008",
            "CSAFPID-0009",
            "CSAFPID-00011",
            "CSAFPID-00012",
            "CSAFPID-00014"
          ]
        },
        {
          "category": "mitigation",
          "details": "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",
          "product_ids": [
            "CSAFPID-0001",
            "CSAFPID-0003",
            "CSAFPID-0004",
            "CSAFPID-0005",
            "CSAFPID-0006",
            "CSAFPID-0007",
            "CSAFPID-0008",
            "CSAFPID-0009",
            "CSAFPID-00011",
            "CSAFPID-00012",
            "CSAFPID-00014"
          ]
        }
      ],
      "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:O/RC:C",
            "version": "3.1"
          },
          "products": [
            "CSAFPID-0001",
            "CSAFPID-0003",
            "CSAFPID-0004",
            "CSAFPID-0005",
            "CSAFPID-0006",
            "CSAFPID-0007",
            "CSAFPID-0008",
            "CSAFPID-0009",
            "CSAFPID-00011",
            "CSAFPID-00012",
            "CSAFPID-00014"
          ]
        }
      ],
      "title": "CVE-2018-18440"
    },
    {
      "cve": "CVE-2019-13103",
      "cwe": {
        "id": "CWE-674",
        "name": "Uncontrolled Recursion"
      },
      "notes": [
        {
          "category": "summary",
          "text": "The embedded DENX U-Boot boot loader has a physically exploitable vulnerability. A crafted self-referential DOS partition table will cause the bootloader to infinitely recurse, causing the stack to grow infinitely and eventually crash.\n\nThe security vulnerability could be exploited by an attacker with physical access to the affected systems. The vulnerability could allow an attacker to compromise the availability of the system.\n\nAt the time of advisory publication no public exploitation of this security vulnerability was known.\nCVE-2019-13103 has been assigned to this vulnerability. A CVSS v3 base score of 4.6 has been calculated; the CVSS vector string is (AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H).",
          "title": "Summary"
        }
      ],
      "product_status": {
        "known_affected": [
          "CSAFPID-0002",
          "CSAFPID-0003",
          "CSAFPID-00010",
          "CSAFPID-00011",
          "CSAFPID-00013",
          "CSAFPID-00014"
        ]
      },
      "references": [
        {
          "category": "external",
          "summary": "web.nvd.nist.gov",
          "url": "http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2019-13103"
        },
        {
          "category": "external",
          "summary": "www.first.org",
          "url": "https://www.first.org/cvss/calculator/3.0#CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
        }
      ],
      "remediations": [
        {
          "category": "mitigation",
          "details": "Disable access to the removable media via \u0027bootoption.txt\u0027 file\nparameter \u0027Disableautoaccessremovable = Yes\u0027 to mitigate\nCVE-2019-13103. Note that this vulnerability only applies to RUGGEDCOM\nROS, if the device boots from removable media.",
          "product_ids": [
            "CSAFPID-0002",
            "CSAFPID-0003",
            "CSAFPID-00010",
            "CSAFPID-00011",
            "CSAFPID-00013",
            "CSAFPID-00014"
          ]
        },
        {
          "category": "no_fix_planned",
          "details": "Currently no fix is planned",
          "product_ids": [
            "CSAFPID-0002",
            "CSAFPID-0003",
            "CSAFPID-00010",
            "CSAFPID-00011",
            "CSAFPID-00013",
            "CSAFPID-00014"
          ]
        },
        {
          "category": "mitigation",
          "details": "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",
          "product_ids": [
            "CSAFPID-0002",
            "CSAFPID-0003",
            "CSAFPID-00010",
            "CSAFPID-00011",
            "CSAFPID-00013",
            "CSAFPID-00014"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 4.6,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:P/RL:O/RC:C",
            "version": "3.1"
          },
          "products": [
            "CSAFPID-0002",
            "CSAFPID-0003",
            "CSAFPID-00010",
            "CSAFPID-00011",
            "CSAFPID-00013",
            "CSAFPID-00014"
          ]
        }
      ],
      "title": "CVE-2019-13103"
    }
  ]
}


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