icsa-17-194-03
Vulnerability from csaf_cisa
Published
2017-07-13 00:00
Modified
2017-07-13 00:00
Summary
Siemens SIMATIC Sm@rtClient Android App

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": [
      {
        "names": [
          "Karsten Sohr",
          "Timo Glander"
        ],
        "organization": "the TZI at the University of Bremen",
        "summary": "reporting these vulnerabilities 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.",
        "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-17-194-03 JSON",
        "url": "https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/OT/white/2017/icsa-17-194-03.json"
      },
      {
        "category": "self",
        "summary": "ICS Advisory ICSA-17-194-03 Web Version",
        "url": "https://www.cisa.gov/news-events/ics-advisories/icsa-17-194-03"
      },
      {
        "category": "external",
        "summary": "Recommended Practices",
        "url": "https://www.cisa.gov/news-events/ics-advisories/icsa-17-194-03"
      }
    ],
    "title": "Siemens SIMATIC Sm@rtClient Android App",
    "tracking": {
      "current_release_date": "2017-07-13T00:00:00.000000Z",
      "generator": {
        "engine": {
          "name": "CISA CSAF Generator",
          "version": "1.0.0"
        }
      },
      "id": "ICSA-17-194-03",
      "initial_release_date": "2017-07-13T00:00:00.000000Z",
      "revision_history": [
        {
          "date": "2017-07-13T00:00:00.000000Z",
          "legacy_version": "Initial",
          "number": "1",
          "summary": "ICSA-17-194-03 Siemens SIMATIC Sm@rtClient Android App"
        }
      ],
      "status": "final",
      "version": "1"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003c 1.0.2.2",
                "product": {
                  "name": "SIMATIC WinCC Sm@rtClient Lite for Android: All versions prior to V1.0.2.2",
                  "product_id": "CSAFPID-0001"
                }
              }
            ],
            "category": "product_name",
            "name": "SIMATIC WinCC Sm@rtClient Lite for Android"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003c 1.0.2.2",
                "product": {
                  "name": "SIMATIC WinCC Sm@rtClient for Android: All versions prior to V1.0.2.2",
                  "product_id": "CSAFPID-0002"
                }
              }
            ],
            "category": "product_name",
            "name": "SIMATIC WinCC Sm@rtClient for Android"
          }
        ],
        "category": "vendor",
        "name": "Siemens"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2017-6870",
      "cwe": {
        "id": "CWE-300",
        "name": "Channel Accessible by Non-Endpoint"
      },
      "notes": [
        {
          "category": "summary",
          "text": "The existing TLS protocol implementation could allow an attacker to read and modify data within a TLS session while performing a man-in-the-middle attack. This vulnerability affects only SIMATIC WinCC Sm@rtClient for Android.CVE-2017-6870 has been assigned to this vulnerability. A CVSS v3 base score of 7.4 has been calculated; the CVSS vector string is (AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N).",
          "title": "Vulnerability Summary"
        }
      ],
      "product_status": {
        "known_affected": [
          "CSAFPID-0001",
          "CSAFPID-0002"
        ]
      },
      "references": [
        {
          "category": "external",
          "summary": "web.nvd.nist.gov",
          "url": "http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2017-6870"
        },
        {
          "category": "external",
          "summary": "www.first.org",
          "url": "https://www.first.org/cvss/calculator/3.0#CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "Siemens has released SIMATIC WinCC Sm@rtClient V1.0.2.2 for Android to address these vulnerabilities and recommends updating as soon as possible. Updates will be installed automatically if the mobile device is configured accordingly. If the update does not install automatically, users can find the latest version at the Google Play Store:",
          "product_ids": [
            "CSAFPID-0001",
            "CSAFPID-0002"
          ]
        },
        {
          "category": "vendor_fix",
          "details": "https://play.google.com/store/search?q=Sm@rtClient",
          "product_ids": [
            "CSAFPID-0001",
            "CSAFPID-0002"
          ],
          "url": "https://play.google.com/store/search?q=Sm@rtClient"
        },
        {
          "category": "vendor_fix",
          "details": "It is advised to configure the environment according to operational guidelines.",
          "product_ids": [
            "CSAFPID-0001",
            "CSAFPID-0002"
          ]
        },
        {
          "category": "vendor_fix",
          "details": "For more information on these vulnerabilities and more detailed mitigation instructions, please see Siemens Security Advisory SSA-589378 at the following location:",
          "product_ids": [
            "CSAFPID-0001",
            "CSAFPID-0002"
          ]
        },
        {
          "category": "vendor_fix",
          "details": "http://www.siemens.com/cert/advisories",
          "product_ids": [
            "CSAFPID-0001",
            "CSAFPID-0002"
          ],
          "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",
            "CSAFPID-0002"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 7.4,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N",
            "version": "3.0"
          },
          "products": [
            "CSAFPID-0001",
            "CSAFPID-0002"
          ]
        }
      ]
    },
    {
      "cve": "CVE-2017-6871",
      "cwe": {
        "id": "CWE-288",
        "name": "Authentication Bypass Using an Alternate Path or Channel"
      },
      "notes": [
        {
          "category": "summary",
          "text": "An attacker with physical access to an unlocked mobile device that has the affected app running could bypass the app \u0027s authentication mechanism under certain conditions. SIMATIC WinCC Sm@rtClient Lite for Android is only affected by this vulnerability.CVE-2017-6871 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:H/PR:L/UI:N/S:U/C:H/I:L/A:N).",
          "title": "Vulnerability Summary"
        }
      ],
      "product_status": {
        "known_affected": [
          "CSAFPID-0001",
          "CSAFPID-0002"
        ]
      },
      "references": [
        {
          "category": "external",
          "summary": "web.nvd.nist.gov",
          "url": "http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2017-6871"
        },
        {
          "category": "external",
          "summary": "www.first.org",
          "url": "https://www.first.org/cvss/calculator/3.0#CVSS:3.0/AV:P/AC:H/PR:L/UI:N/S:U/C:H/I:L/A:N"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "Siemens has released SIMATIC WinCC Sm@rtClient V1.0.2.2 for Android to address these vulnerabilities and recommends updating as soon as possible. Updates will be installed automatically if the mobile device is configured accordingly. If the update does not install automatically, users can find the latest version at the Google Play Store:",
          "product_ids": [
            "CSAFPID-0001",
            "CSAFPID-0002"
          ]
        },
        {
          "category": "vendor_fix",
          "details": "https://play.google.com/store/search?q=Sm@rtClient",
          "product_ids": [
            "CSAFPID-0001",
            "CSAFPID-0002"
          ],
          "url": "https://play.google.com/store/search?q=Sm@rtClient"
        },
        {
          "category": "vendor_fix",
          "details": "It is advised to configure the environment according to operational guidelines.",
          "product_ids": [
            "CSAFPID-0001",
            "CSAFPID-0002"
          ]
        },
        {
          "category": "vendor_fix",
          "details": "For more information on these vulnerabilities and more detailed mitigation instructions, please see Siemens Security Advisory SSA-589378 at the following location:",
          "product_ids": [
            "CSAFPID-0001",
            "CSAFPID-0002"
          ]
        },
        {
          "category": "vendor_fix",
          "details": "http://www.siemens.com/cert/advisories",
          "product_ids": [
            "CSAFPID-0001",
            "CSAFPID-0002"
          ],
          "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",
            "CSAFPID-0002"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 4.6,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.0/AV:P/AC:H/PR:L/UI:N/S:U/C:H/I:L/A:N",
            "version": "3.0"
          },
          "products": [
            "CSAFPID-0001",
            "CSAFPID-0002"
          ]
        }
      ]
    }
  ]
}


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