ICSA-17-320-02

Vulnerability from csaf_cisa - Published: 2017-11-16 00:00 - Updated: 2017-11-16 00:00
Summary
Siemens SICAM

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. Public exploits are available.
Critical infrastructure sectors
Energy
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.
To clipboard 

{
  "document": {
    "acknowledgments": [
      {
        "organization": "SEC Consult Vulnerability Lab",
        "summary": "reporting these vulnerabilities directly to Siemens"
      }
    ],
    "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. Public exploits are available.",
        "title": "Risk evaluation"
      },
      {
        "category": "other",
        "text": "Energy",
        "title": "Critical infrastructure sectors"
      },
      {
        "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"
      }
    ],
    "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-17-320-02 JSON",
        "url": "https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/OT/white/2017/icsa-17-320-02.json"
      },
      {
        "category": "self",
        "summary": "ICS Advisory ICSA-17-320-02 Web Version",
        "url": "https://www.cisa.gov/news-events/ics-advisories/icsa-17-320-02"
      },
      {
        "category": "external",
        "summary": "Recommended Practices",
        "url": "https://www.cisa.gov/uscert/ics/alerts/ICS-ALERT-10-301-01"
      }
    ],
    "title": "Siemens SICAM",
    "tracking": {
      "current_release_date": "2017-11-16T00:00:00.000000Z",
      "generator": {
        "engine": {
          "name": "CISA CSAF Generator",
          "version": "1.0.0"
        }
      },
      "id": "ICSA-17-320-02",
      "initial_release_date": "2017-11-16T00:00:00.000000Z",
      "revision_history": [
        {
          "date": "2017-11-16T00:00:00.000000Z",
          "legacy_version": "Initial",
          "number": "1",
          "summary": "ICSA-17-320-02 Siemens SICAM"
        }
      ],
      "status": "final",
      "version": "1"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version",
                "name": "vers:all/*",
                "product": {
                  "name": "SICAM RTUs SM-2556 COM Modules with the firmware variants ENOS00 ERAC00 ETA2 ETLS00 MODi00 DNPi00: All versions",
                  "product_id": "CSAFPID-0001"
                }
              }
            ],
            "category": "product_name",
            "name": "SICAM RTUs SM-2556 COM Modules with the firmware variants ENOS00 ERAC00 ETA2 ETLS00 MODi00 DNPi00"
          }
        ],
        "category": "vendor",
        "name": "Siemens"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2017-12737",
      "cwe": {
        "id": "CWE-306",
        "name": "Missing Authentication for Critical Function"
      },
      "notes": [
        {
          "category": "summary",
          "text": "The integrated web server (Port 80/TCP) of the affected devices could allow unauthenticated remote attackers to obtain sensitive device information over the network.CVE-2017-12737 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-2017-12737"
        },
        {
          "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": "As the web server is for diagnostics only and not required for normal operation, Siemens recommends disabling the web server after commissioning.",
          "product_ids": [
            "CSAFPID-0001"
          ]
        },
        {
          "category": "vendor_fix",
          "details": "For users who are currently using the discontinued ETA2 (IEC 60870-5-104), MODi00 (Modbus/TCP slave) or DNPi00 (DNP3/TCP slave) firmware, Siemens recommends users upgrade to ETA4 (IEC 60870-5-104), MBSiA0 (Modbus/TCP slave) or DNPiA1 (DNP3/ TCP slave) firmware, respectively, on the SM-2558 COM Module, which is the successor to the SM-2556 Module. The upgrades are available at:",
          "product_ids": [
            "CSAFPID-0001"
          ]
        },
        {
          "category": "vendor_fix",
          "details": "http://w3.siemens.com/smartgrid/global/en/products-systems-solutions/substation-automation/substation-automation/Pages/sicam-ak-3.aspx",
          "product_ids": [
            "CSAFPID-0001"
          ],
          "url": "http://w3.siemens.com/smartgrid/global/en/products-systems-solutions/substation-automation/substation-automation/Pages/sicam-ak-3.aspx"
        },
        {
          "category": "vendor_fix",
          "details": "Siemens recommends users protect network access with appropriate mechanisms. Siemens also advises that users configure the operational environment according to Siemens \u0027 Operational Guidelines for Industrial Security:",
          "product_ids": [
            "CSAFPID-0001"
          ]
        },
        {
          "category": "vendor_fix",
          "details": "https://www.siemens.com/cert/operational-guidelines-industrial-security",
          "product_ids": [
            "CSAFPID-0001"
          ],
          "url": "https://www.siemens.com/cert/operational-guidelines-industrial-security"
        },
        {
          "category": "vendor_fix",
          "details": "For more information on these vulnerabilities and more detailed mitigation instructions, please see Siemens Security Advisory SSA-164516 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"
        }
      ],
      "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-2017-12738",
      "cwe": {
        "id": "CWE-79",
        "name": "Improper Neutralization of Input During Web Page Generation (\u0027Cross-site Scripting\u0027)"
      },
      "notes": [
        {
          "category": "summary",
          "text": "The integrated web server (Port 80/TCP) of the affected devices could allow cross-site scripting (XSS) attacks if unsuspecting users are tricked into clicking on a malicious link.CVE-2017-12738 has been assigned to this vulnerability. A CVSS v3 base score of 6.1 has been calculated; the CVSS vector string is (AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/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-2017-12738"
        },
        {
          "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:C/C:L/I:L/A:N"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "As the web server is for diagnostics only and not required for normal operation, Siemens recommends disabling the web server after commissioning.",
          "product_ids": [
            "CSAFPID-0001"
          ]
        },
        {
          "category": "vendor_fix",
          "details": "For users who are currently using the discontinued ETA2 (IEC 60870-5-104), MODi00 (Modbus/TCP slave) or DNPi00 (DNP3/TCP slave) firmware, Siemens recommends users upgrade to ETA4 (IEC 60870-5-104), MBSiA0 (Modbus/TCP slave) or DNPiA1 (DNP3/ TCP slave) firmware, respectively, on the SM-2558 COM Module, which is the successor to the SM-2556 Module. The upgrades are available at:",
          "product_ids": [
            "CSAFPID-0001"
          ]
        },
        {
          "category": "vendor_fix",
          "details": "http://w3.siemens.com/smartgrid/global/en/products-systems-solutions/substation-automation/substation-automation/Pages/sicam-ak-3.aspx",
          "product_ids": [
            "CSAFPID-0001"
          ],
          "url": "http://w3.siemens.com/smartgrid/global/en/products-systems-solutions/substation-automation/substation-automation/Pages/sicam-ak-3.aspx"
        },
        {
          "category": "vendor_fix",
          "details": "Siemens recommends users protect network access with appropriate mechanisms. Siemens also advises that users configure the operational environment according to Siemens \u0027 Operational Guidelines for Industrial Security:",
          "product_ids": [
            "CSAFPID-0001"
          ]
        },
        {
          "category": "vendor_fix",
          "details": "https://www.siemens.com/cert/operational-guidelines-industrial-security",
          "product_ids": [
            "CSAFPID-0001"
          ],
          "url": "https://www.siemens.com/cert/operational-guidelines-industrial-security"
        },
        {
          "category": "vendor_fix",
          "details": "For more information on these vulnerabilities and more detailed mitigation instructions, please see Siemens Security Advisory SSA-164516 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"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 6.1,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
            "version": "3.0"
          },
          "products": [
            "CSAFPID-0001"
          ]
        }
      ]
    },
    {
      "cve": "CVE-2017-12739",
      "cwe": {
        "id": "CWE-94",
        "name": "Improper Control of Generation of Code (\u0027Code Injection\u0027)"
      },
      "notes": [
        {
          "category": "summary",
          "text": "The integrated web server (Port 80/TCP) of the affected devices could allow unauthenticated remote attackers to execute arbitrary code on the affected device.CVE-2017-12739 has been assigned to this vulnerability. A CVSS v3 base score of 9.8 has been calculated; the CVSS vector string is (AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/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-2017-12739"
        },
        {
          "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:H/I:H/A:H"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "As the web server is for diagnostics only and not required for normal operation, Siemens recommends disabling the web server after commissioning.",
          "product_ids": [
            "CSAFPID-0001"
          ]
        },
        {
          "category": "vendor_fix",
          "details": "For users who are currently using the discontinued ETA2 (IEC 60870-5-104), MODi00 (Modbus/TCP slave) or DNPi00 (DNP3/TCP slave) firmware, Siemens recommends users upgrade to ETA4 (IEC 60870-5-104), MBSiA0 (Modbus/TCP slave) or DNPiA1 (DNP3/ TCP slave) firmware, respectively, on the SM-2558 COM Module, which is the successor to the SM-2556 Module. The upgrades are available at:",
          "product_ids": [
            "CSAFPID-0001"
          ]
        },
        {
          "category": "vendor_fix",
          "details": "http://w3.siemens.com/smartgrid/global/en/products-systems-solutions/substation-automation/substation-automation/Pages/sicam-ak-3.aspx",
          "product_ids": [
            "CSAFPID-0001"
          ],
          "url": "http://w3.siemens.com/smartgrid/global/en/products-systems-solutions/substation-automation/substation-automation/Pages/sicam-ak-3.aspx"
        },
        {
          "category": "vendor_fix",
          "details": "Siemens recommends users protect network access with appropriate mechanisms. Siemens also advises that users configure the operational environment according to Siemens \u0027 Operational Guidelines for Industrial Security:",
          "product_ids": [
            "CSAFPID-0001"
          ]
        },
        {
          "category": "vendor_fix",
          "details": "https://www.siemens.com/cert/operational-guidelines-industrial-security",
          "product_ids": [
            "CSAFPID-0001"
          ],
          "url": "https://www.siemens.com/cert/operational-guidelines-industrial-security"
        },
        {
          "category": "vendor_fix",
          "details": "For more information on these vulnerabilities and more detailed mitigation instructions, please see Siemens Security Advisory SSA-164516 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"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 9.8,
            "baseSeverity": "CRITICAL",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.0"
          },
          "products": [
            "CSAFPID-0001"
          ]
        }
      ]
    }
  ]
}


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Tags
Taxonomy of the tags.




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.