ICSA-17-187-02
Vulnerability from csaf_cisa
Published
2017-07-06 00:00
Modified
2017-07-06 00:00
Summary
Siemens Reyrolle

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
ATTENTION: Remotely exploitable/low skill level to exploit.
Countries/areas deployed
Worldwide
Company headquarters location
Germany
Recommended Practices
NCCIC/ICS-CERT recommends that users take defensive measures to minimize the risk of exploitation of these vulnerabilities. Specifically, users should:
Recommended Practices
ICS-CERT reminds organizations to perform proper impact analysis and risk assessment prior to deploying defensive measures.
Recommended Practices
ICS-CERT also provides a section for control systems security recommended practices on the ICS-CERT web page. 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 in the ICS -CERT Technical Information Paper, ICS-TIP-12-146-01B--Targeted Cyber Intrusion Detection and Mitigation Strategies, that is available for download from the ICS-CERT web site.
Recommended Practices
Organizations observing any suspected malicious activity should follow their established internal procedures and report their findings to ICS-CERT for tracking and correlation against other incidents.
Exploitability
No known public exploits specifically target these vulnerabilities.


To clipboard 

{
  "document": {
    "acknowledgments": [
      {
        "organization": "Siemens",
        "summary": "reporting these vulnerabilities to ICS-CERT when they made firmware available to fix them"
      }
    ],
    "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": "ATTENTION: Remotely exploitable/low skill level to exploit.",
        "title": "Risk evaluation"
      },
      {
        "category": "other",
        "text": "Worldwide",
        "title": "Countries/areas deployed"
      },
      {
        "category": "other",
        "text": "Germany",
        "title": "Company headquarters location"
      },
      {
        "category": "general",
        "text": "NCCIC/ICS-CERT recommends that users take defensive measures to minimize the risk of exploitation of these vulnerabilities. Specifically, users should:",
        "title": "Recommended Practices"
      },
      {
        "category": "general",
        "text": "ICS-CERT reminds organizations to perform proper impact analysis and risk assessment prior to deploying defensive measures.",
        "title": "Recommended Practices"
      },
      {
        "category": "general",
        "text": "ICS-CERT also provides a section for control systems security recommended practices on the ICS-CERT web page. 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 in the ICS -CERT Technical Information Paper, ICS-TIP-12-146-01B--Targeted Cyber Intrusion Detection and Mitigation Strategies, that is available for download from the ICS-CERT web site.",
        "title": "Recommended Practices"
      },
      {
        "category": "general",
        "text": "Organizations observing any suspected malicious activity should follow their established internal procedures and report their findings to ICS-CERT for tracking and correlation against other incidents.",
        "title": "Recommended Practices"
      },
      {
        "category": "other",
        "text": "No known public exploits specifically target these vulnerabilities.",
        "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": "self",
        "summary": "ICS Advisory ICSA-17-187-02 JSON",
        "url": "https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/OT/white/2017/icsa-17-187-02.json"
      },
      {
        "category": "self",
        "summary": "ICS Advisory ICSA-17-187-02 Web Version",
        "url": "https://www.cisa.gov/news-events/ics-advisories/icsa-17-187-02"
      },
      {
        "category": "external",
        "summary": "Recommended Practices",
        "url": "https://www.cisa.gov/news-events/ics-advisories/icsa-17-187-02"
      }
    ],
    "title": "Siemens Reyrolle",
    "tracking": {
      "current_release_date": "2017-07-06T00:00:00.000000Z",
      "generator": {
        "engine": {
          "name": "CISA CSAF Generator",
          "version": "1.0.0"
        }
      },
      "id": "ICSA-17-187-02",
      "initial_release_date": "2017-07-06T00:00:00.000000Z",
      "revision_history": [
        {
          "date": "2017-07-06T00:00:00.000000Z",
          "legacy_version": "Initial",
          "number": "1",
          "summary": "ICSA-17-187-02 Siemens Reyrolle"
        }
      ],
      "status": "final",
      "version": "1"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003c 4.29.01",
                "product": {
                  "name": "EN100 Ethernet modules as optional for Reyrolle: All versions prior to V4.29.01",
                  "product_id": "CSAFPID-0001"
                }
              }
            ],
            "category": "product_name",
            "name": "EN100 Ethernet modules as optional for Reyrolle"
          }
        ],
        "category": "vendor",
        "name": "Siemens"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2016-4784",
      "cwe": {
        "id": "CWE-862",
        "name": "Missing Authorization"
      },
      "notes": [
        {
          "category": "summary",
          "text": "The integrated web server (Port 80/TCP) of the affected devices could allow remote attackers to obtain sensitive device information if network access was obtained.CVE-2016-4784 has been assigned to this vulnerability. A CVSS v3 base score of 5.3 has been calculated; the CVSS vector string is (AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N).",
          "title": "Vulnerability Summary"
        }
      ],
      "product_status": {
        "known_affected": [
          "CSAFPID-0001"
        ]
      },
      "references": [
        {
          "category": "external",
          "summary": "web.nvd.nist.gov",
          "url": "http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2016-4784"
        },
        {
          "category": "external",
          "summary": "www.first.org",
          "url": "https://www.first.org/cvss/calculator/3.0#CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "Siemens has released a new firmware version (V4.29.01) to address these vulnerabilities. It can be found at the SIPROTEC 4 downloads area at the following Siemens web site:",
          "product_ids": [
            "CSAFPID-0001"
          ]
        },
        {
          "category": "vendor_fix",
          "details": "http://www.siemens.com/downloads/siprotec-4",
          "product_ids": [
            "CSAFPID-0001"
          ],
          "url": "http://www.siemens.com/downloads/siprotec-4"
        },
        {
          "category": "vendor_fix",
          "details": "Siemens recommends users protect network access with appropriate mechanisms such as firewalls, segmentation, and VPN. Siemens also advises that users configure the operational environment according to Siemens \u0027 Operational Guidelines for Industrial Security. Please see the specific product manual for more information. Manuals can be obtained from the downloads menu at the following Siemens web site:",
          "product_ids": [
            "CSAFPID-0001"
          ]
        },
        {
          "category": "vendor_fix",
          "details": "http://www.siemens.com/gridsecurity",
          "product_ids": [
            "CSAFPID-0001"
          ],
          "url": "http://www.siemens.com/gridsecurity"
        },
        {
          "category": "vendor_fix",
          "details": "For more information on these vulnerabilities and more detailed mitigation instructions, please see Siemens Security Advisory SSA-452237 at the following location:",
          "product_ids": [
            "CSAFPID-0001"
          ]
        },
        {
          "category": "vendor_fix",
          "details": "http://www.siemens.com/cert/advisories",
          "product_ids": [
            "CSAFPID-0001"
          ],
          "url": "http://www.siemens.com/cert/advisories"
        },
        {
          "category": "vendor_fix",
          "details": "In addition, ICS-CERT recommends that users take the following measures to protect themselves from social engineering attacks:",
          "product_ids": [
            "CSAFPID-0001"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 5.3,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
            "version": "3.0"
          },
          "products": [
            "CSAFPID-0001"
          ]
        }
      ]
    },
    {
      "cve": "CVE-2016-4785",
      "cwe": {
        "id": "CWE-862",
        "name": "Missing Authorization"
      },
      "notes": [
        {
          "category": "summary",
          "text": "The integrated web server (Port 80/TCP) of the affected devices could allow remote attackers to obtain a limited amount of device memory content if network access was obtained.CVE-2016-4785 has been assigned to this vulnerability. A CVSS v3 base score of 5.3 has been calculated; the CVSS vector string is (AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N).",
          "title": "Vulnerability Summary"
        }
      ],
      "product_status": {
        "known_affected": [
          "CSAFPID-0001"
        ]
      },
      "references": [
        {
          "category": "external",
          "summary": "web.nvd.nist.gov",
          "url": "http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2016-4785"
        },
        {
          "category": "external",
          "summary": "www.first.org",
          "url": "https://www.first.org/cvss/calculator/3.0#CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "Siemens has released a new firmware version (V4.29.01) to address these vulnerabilities. It can be found at the SIPROTEC 4 downloads area at the following Siemens web site:",
          "product_ids": [
            "CSAFPID-0001"
          ]
        },
        {
          "category": "vendor_fix",
          "details": "http://www.siemens.com/downloads/siprotec-4",
          "product_ids": [
            "CSAFPID-0001"
          ],
          "url": "http://www.siemens.com/downloads/siprotec-4"
        },
        {
          "category": "vendor_fix",
          "details": "Siemens recommends users protect network access with appropriate mechanisms such as firewalls, segmentation, and VPN. Siemens also advises that users configure the operational environment according to Siemens \u0027 Operational Guidelines for Industrial Security. Please see the specific product manual for more information. Manuals can be obtained from the downloads menu at the following Siemens web site:",
          "product_ids": [
            "CSAFPID-0001"
          ]
        },
        {
          "category": "vendor_fix",
          "details": "http://www.siemens.com/gridsecurity",
          "product_ids": [
            "CSAFPID-0001"
          ],
          "url": "http://www.siemens.com/gridsecurity"
        },
        {
          "category": "vendor_fix",
          "details": "For more information on these vulnerabilities and more detailed mitigation instructions, please see Siemens Security Advisory SSA-452237 at the following location:",
          "product_ids": [
            "CSAFPID-0001"
          ]
        },
        {
          "category": "vendor_fix",
          "details": "http://www.siemens.com/cert/advisories",
          "product_ids": [
            "CSAFPID-0001"
          ],
          "url": "http://www.siemens.com/cert/advisories"
        },
        {
          "category": "vendor_fix",
          "details": "In addition, ICS-CERT recommends that users take the following measures to protect themselves from social engineering attacks:",
          "product_ids": [
            "CSAFPID-0001"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 5.3,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
            "version": "3.0"
          },
          "products": [
            "CSAFPID-0001"
          ]
        }
      ]
    },
    {
      "cve": "CVE-2016-7112",
      "cwe": {
        "id": "CWE-862",
        "name": "Missing Authorization"
      },
      "notes": [
        {
          "category": "summary",
          "text": "Attackers with network access to the device \u0027s web interface (Port 80/TCP) could possibly circumvent authentication and perform certain administrative operations.CVE-2016-7112 has been assigned to this vulnerability. A CVSS v3 base score of 5.3 has been calculated; the CVSS vector string is (AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N).",
          "title": "Vulnerability Summary"
        }
      ],
      "product_status": {
        "known_affected": [
          "CSAFPID-0001"
        ]
      },
      "references": [
        {
          "category": "external",
          "summary": "web.nvd.nist.gov",
          "url": "http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2016-7112"
        },
        {
          "category": "external",
          "summary": "www.first.org",
          "url": "https://www.first.org/cvss/calculator/3.0#CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "Siemens has released a new firmware version (V4.29.01) to address these vulnerabilities. It can be found at the SIPROTEC 4 downloads area at the following Siemens web site:",
          "product_ids": [
            "CSAFPID-0001"
          ]
        },
        {
          "category": "vendor_fix",
          "details": "http://www.siemens.com/downloads/siprotec-4",
          "product_ids": [
            "CSAFPID-0001"
          ],
          "url": "http://www.siemens.com/downloads/siprotec-4"
        },
        {
          "category": "vendor_fix",
          "details": "Siemens recommends users protect network access with appropriate mechanisms such as firewalls, segmentation, and VPN. Siemens also advises that users configure the operational environment according to Siemens \u0027 Operational Guidelines for Industrial Security. Please see the specific product manual for more information. Manuals can be obtained from the downloads menu at the following Siemens web site:",
          "product_ids": [
            "CSAFPID-0001"
          ]
        },
        {
          "category": "vendor_fix",
          "details": "http://www.siemens.com/gridsecurity",
          "product_ids": [
            "CSAFPID-0001"
          ],
          "url": "http://www.siemens.com/gridsecurity"
        },
        {
          "category": "vendor_fix",
          "details": "For more information on these vulnerabilities and more detailed mitigation instructions, please see Siemens Security Advisory SSA-452237 at the following location:",
          "product_ids": [
            "CSAFPID-0001"
          ]
        },
        {
          "category": "vendor_fix",
          "details": "http://www.siemens.com/cert/advisories",
          "product_ids": [
            "CSAFPID-0001"
          ],
          "url": "http://www.siemens.com/cert/advisories"
        },
        {
          "category": "vendor_fix",
          "details": "In addition, ICS-CERT recommends that users take the following measures to protect themselves from social engineering attacks:",
          "product_ids": [
            "CSAFPID-0001"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 5.3,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
            "version": "3.0"
          },
          "products": [
            "CSAFPID-0001"
          ]
        }
      ]
    },
    {
      "cve": "CVE-2016-7113",
      "cwe": {
        "id": "CWE-20",
        "name": "Improper Input Validation"
      },
      "notes": [
        {
          "category": "summary",
          "text": "Specially crafted packets sent to Port 80/TCP could cause the affected device to go into defect mode.CVE-2016-7113 has been assigned to this vulnerability. A CVSS v3 base score of 7.5 has been calculated; the CVSS vector string is (AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H).",
          "title": "Vulnerability Summary"
        }
      ],
      "product_status": {
        "known_affected": [
          "CSAFPID-0001"
        ]
      },
      "references": [
        {
          "category": "external",
          "summary": "web.nvd.nist.gov",
          "url": "http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2016-7113"
        },
        {
          "category": "external",
          "summary": "www.first.org",
          "url": "https://www.first.org/cvss/calculator/3.0#CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "Siemens has released a new firmware version (V4.29.01) to address these vulnerabilities. It can be found at the SIPROTEC 4 downloads area at the following Siemens web site:",
          "product_ids": [
            "CSAFPID-0001"
          ]
        },
        {
          "category": "vendor_fix",
          "details": "http://www.siemens.com/downloads/siprotec-4",
          "product_ids": [
            "CSAFPID-0001"
          ],
          "url": "http://www.siemens.com/downloads/siprotec-4"
        },
        {
          "category": "vendor_fix",
          "details": "Siemens recommends users protect network access with appropriate mechanisms such as firewalls, segmentation, and VPN. Siemens also advises that users configure the operational environment according to Siemens \u0027 Operational Guidelines for Industrial Security. Please see the specific product manual for more information. Manuals can be obtained from the downloads menu at the following Siemens web site:",
          "product_ids": [
            "CSAFPID-0001"
          ]
        },
        {
          "category": "vendor_fix",
          "details": "http://www.siemens.com/gridsecurity",
          "product_ids": [
            "CSAFPID-0001"
          ],
          "url": "http://www.siemens.com/gridsecurity"
        },
        {
          "category": "vendor_fix",
          "details": "For more information on these vulnerabilities and more detailed mitigation instructions, please see Siemens Security Advisory SSA-452237 at the following location:",
          "product_ids": [
            "CSAFPID-0001"
          ]
        },
        {
          "category": "vendor_fix",
          "details": "http://www.siemens.com/cert/advisories",
          "product_ids": [
            "CSAFPID-0001"
          ],
          "url": "http://www.siemens.com/cert/advisories"
        },
        {
          "category": "vendor_fix",
          "details": "In addition, ICS-CERT recommends that users take the following measures to protect themselves from social engineering attacks:",
          "product_ids": [
            "CSAFPID-0001"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.0"
          },
          "products": [
            "CSAFPID-0001"
          ]
        }
      ]
    },
    {
      "cve": "CVE-2016-7114",
      "cwe": {
        "id": "CWE-287",
        "name": "Improper Authentication"
      },
      "notes": [
        {
          "category": "summary",
          "text": "Attackers with network access to the device \u0027s web interface (Port 80/TCP) could possibly circumvent authentication and perform certain administrative operations. A legitimate user must be logged into the web interface for the attack to be successful.CVE-2016-7114 has been assigned to this vulnerability. A CVSS v3 base score of 4.3 has been calculated; the CVSS vector string is (AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N).",
          "title": "Vulnerability Summary"
        }
      ],
      "product_status": {
        "known_affected": [
          "CSAFPID-0001"
        ]
      },
      "references": [
        {
          "category": "external",
          "summary": "web.nvd.nist.gov",
          "url": "http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2016-7114"
        },
        {
          "category": "external",
          "summary": "www.first.org",
          "url": "https://www.first.org/cvss/calculator/3.0#CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "Siemens has released a new firmware version (V4.29.01) to address these vulnerabilities. It can be found at the SIPROTEC 4 downloads area at the following Siemens web site:",
          "product_ids": [
            "CSAFPID-0001"
          ]
        },
        {
          "category": "vendor_fix",
          "details": "http://www.siemens.com/downloads/siprotec-4",
          "product_ids": [
            "CSAFPID-0001"
          ],
          "url": "http://www.siemens.com/downloads/siprotec-4"
        },
        {
          "category": "vendor_fix",
          "details": "Siemens recommends users protect network access with appropriate mechanisms such as firewalls, segmentation, and VPN. Siemens also advises that users configure the operational environment according to Siemens \u0027 Operational Guidelines for Industrial Security. Please see the specific product manual for more information. Manuals can be obtained from the downloads menu at the following Siemens web site:",
          "product_ids": [
            "CSAFPID-0001"
          ]
        },
        {
          "category": "vendor_fix",
          "details": "http://www.siemens.com/gridsecurity",
          "product_ids": [
            "CSAFPID-0001"
          ],
          "url": "http://www.siemens.com/gridsecurity"
        },
        {
          "category": "vendor_fix",
          "details": "For more information on these vulnerabilities and more detailed mitigation instructions, please see Siemens Security Advisory SSA-452237 at the following location:",
          "product_ids": [
            "CSAFPID-0001"
          ]
        },
        {
          "category": "vendor_fix",
          "details": "http://www.siemens.com/cert/advisories",
          "product_ids": [
            "CSAFPID-0001"
          ],
          "url": "http://www.siemens.com/cert/advisories"
        },
        {
          "category": "vendor_fix",
          "details": "In addition, ICS-CERT recommends that users take the following measures to protect themselves from social engineering attacks:",
          "product_ids": [
            "CSAFPID-0001"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 4.3,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N",
            "version": "3.0"
          },
          "products": [
            "CSAFPID-0001"
          ]
        }
      ]
    }
  ]
}


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Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
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  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.