icsa-19-024-02
Vulnerability from csaf_cisa
Published
2019-01-24 00:00
Modified
2019-01-24 00:00
Summary
PHOENIX CONTACT FL SWITCH

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 may allow attackers to have user privileges, gain access to the switch, read user credentials, deny access to the switch, or perform man-in-the-middle attacks.
Critical infrastructure sectors
Communications, Critical Manufacturing, Information Technology
Countries/areas deployed
Worldwide
Company headquarters location
Germany
Recommended Practices
NCCIC recommends users take defensive measures to minimize the risk of exploitation of this vulnerability. Specifically, users should:
Recommended Practices
NCCIC reminds organizations to perform proper impact analysis and risk assessment prior to deploying defensive measures.NCCIC 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 on the ICS-CERT website 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 NCCIC for tracking and correlation against other incidents.
Exploitability
No known public exploits specifically target these vulnerabilities.


To clipboard 

{
  "document": {
    "acknowledgments": [
      {
        "summary": "Phoenix Contact recommends that users of FL SWITCH devices with affected firmware versions update the firmware to Version 1.35 or higher, which fixes these vulnerabilities. The updated firmware may be downloaded from the managed switch product page on the Phoenix Contact website. Please see the CERT VDE advisory for these vulnerabilities for the location of the new firmware download for each specific product: https://cert.vde.com/de-de/advisories/vde-2019-001"
      }
    ],
    "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 may allow attackers to have user privileges, gain access to the switch, read user credentials, deny access to the switch, or perform man-in-the-middle attacks.",
        "title": "Risk evaluation"
      },
      {
        "category": "other",
        "text": "Communications, Critical Manufacturing, Information Technology",
        "title": "Critical infrastructure sectors"
      },
      {
        "category": "other",
        "text": "Worldwide",
        "title": "Countries/areas deployed"
      },
      {
        "category": "other",
        "text": "Germany",
        "title": "Company headquarters location"
      },
      {
        "category": "general",
        "text": "NCCIC recommends users take defensive measures to minimize the risk of exploitation of this vulnerability. Specifically, users should:",
        "title": "Recommended Practices"
      },
      {
        "category": "general",
        "text": "NCCIC reminds organizations to perform proper impact analysis and risk assessment prior to deploying defensive measures.NCCIC 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 on the ICS-CERT website 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 NCCIC 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-19-024-02 JSON",
        "url": "https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/OT/white/2019/icsa-19-024-02.json"
      },
      {
        "category": "self",
        "summary": "ICS Advisory ICSA-19-024-02 Web Version",
        "url": "https://www.cisa.gov/news-events/ics-advisories/icsa-19-024-02"
      },
      {
        "category": "external",
        "summary": "Recommended Practices",
        "url": "https://www.cisa.gov/uscert/ics/alerts/ICS-ALERT-10-301-01"
      },
      {
        "category": "external",
        "summary": "Recommended Practices",
        "url": "https://www.cisa.gov/uscert/sites/default/files/recommended_practices/NCCIC_ICS-CERT_Defense_in_Depth_2016_S508C.pdf"
      },
      {
        "category": "external",
        "summary": "Recommended Practices",
        "url": "https://www.cisa.gov/uscert/ics/tips/ICS-TIP-12-146-01B"
      }
    ],
    "title": "PHOENIX CONTACT FL SWITCH",
    "tracking": {
      "current_release_date": "2019-01-24T00:00:00.000000Z",
      "generator": {
        "engine": {
          "name": "CISA CSAF Generator",
          "version": "1.0.0"
        }
      },
      "id": "ICSA-19-024-02",
      "initial_release_date": "2019-01-24T00:00:00.000000Z",
      "revision_history": [
        {
          "date": "2019-01-24T00:00:00.000000Z",
          "legacy_version": "Initial",
          "number": "1",
          "summary": "ICSA-19-024-02 PHOENIX CONTACT FL SWITCH"
        }
      ],
      "status": "final",
      "version": "1"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003c 1.35",
                "product": {
                  "name": "FL SWITCH 3xxx 4xxx and 48xx: versions prior to Version 1.35",
                  "product_id": "CSAFPID-0001"
                }
              }
            ],
            "category": "product_name",
            "name": "FL SWITCH 3xxx 4xxx and 48xx"
          }
        ],
        "category": "vendor",
        "name": "PHOENIX CONTACT, Innominate Security Technologies"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2018-13993",
      "cwe": {
        "id": "CWE-352",
        "name": "Cross-Site Request Forgery (CSRF)"
      },
      "notes": [
        {
          "category": "summary",
          "text": "This vulnerability may allow an attacker to trick the web browser into transmitting unwanted commands.CVE-2018-13993 has been assigned to this vulnerability. A CVSS v3 base score of 8.8 has been calculated; the CVSS vector string is (AV:N/AC:L/PR:N/UI:R/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-2018-13993"
        },
        {
          "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:H/I:H/A:H"
        }
      ],
      "remediations": [
        {
          "category": "mitigation",
          "details": "Phoenix Contact recommends that users of FL SWITCH devices with affected firmware versions update the firmware to Version 1.35 or higher, which fixes these vulnerabilities. The updated firmware may be downloaded from the managed switch product page on the Phoenix Contact website. Please see the CERT VDE advisory for these vulnerabilities for the location of the new firmware download for each specific product: https://cert.vde.com/de-de/advisories/vde-2019-001",
          "product_ids": [
            "CSAFPID-0001"
          ],
          "url": "https://cert.vde.com/de-de/advisories/vde-2019-001"
        },
        {
          "category": "mitigation",
          "details": "Phoenix Contact also recommends that users using the Phoenix Contact managed FL SWITCH devices enable HTTP security.",
          "product_ids": [
            "CSAFPID-0001"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 8.8,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
            "version": "3.0"
          },
          "products": [
            "CSAFPID-0001"
          ]
        }
      ]
    },
    {
      "cve": "CVE-2018-13990",
      "cwe": {
        "id": "CWE-307",
        "name": "Improper Restriction of Excessive Authentication Attempts"
      },
      "notes": [
        {
          "category": "summary",
          "text": "The switch lacks a login time-out feature to prevent high-speed automated username and password combination guessing. An attacker may gain access by brute forcing of usernames and passwords.CVE-2018-13990 has been assigned to this vulnerability. A CVSS v3 base score of 8.6 has been calculated; the CVSS vector string is (AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L).",
          "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-2018-13990"
        },
        {
          "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:L/A:L"
        }
      ],
      "remediations": [
        {
          "category": "mitigation",
          "details": "Phoenix Contact recommends that users of FL SWITCH devices with affected firmware versions update the firmware to Version 1.35 or higher, which fixes these vulnerabilities. The updated firmware may be downloaded from the managed switch product page on the Phoenix Contact website. Please see the CERT VDE advisory for these vulnerabilities for the location of the new firmware download for each specific product: https://cert.vde.com/de-de/advisories/vde-2019-001",
          "product_ids": [
            "CSAFPID-0001"
          ],
          "url": "https://cert.vde.com/de-de/advisories/vde-2019-001"
        },
        {
          "category": "mitigation",
          "details": "Phoenix Contact also recommends that users using the Phoenix Contact managed FL SWITCH devices enable HTTP security.",
          "product_ids": [
            "CSAFPID-0001"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 8.6,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L",
            "version": "3.0"
          },
          "products": [
            "CSAFPID-0001"
          ]
        }
      ]
    },
    {
      "cve": "CVE-2018-13992",
      "cwe": {
        "id": "CWE-319",
        "name": "Cleartext Transmission of Sensitive Information"
      },
      "notes": [
        {
          "category": "summary",
          "text": "The default setting of the Web UI (HTTP) allows user credentials to be transmitted unencrypted.CVE-2018-13992 has been assigned to this vulnerability. A CVSS v3 base score of 8.2 has been calculated; the CVSS vector string is (AV:N/AC:L/PR:N/UI:N/S:U/C:H/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-2018-13992"
        },
        {
          "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:L/A:N"
        }
      ],
      "remediations": [
        {
          "category": "mitigation",
          "details": "Phoenix Contact recommends that users of FL SWITCH devices with affected firmware versions update the firmware to Version 1.35 or higher, which fixes these vulnerabilities. The updated firmware may be downloaded from the managed switch product page on the Phoenix Contact website. Please see the CERT VDE advisory for these vulnerabilities for the location of the new firmware download for each specific product: https://cert.vde.com/de-de/advisories/vde-2019-001",
          "product_ids": [
            "CSAFPID-0001"
          ],
          "url": "https://cert.vde.com/de-de/advisories/vde-2019-001"
        },
        {
          "category": "mitigation",
          "details": "Phoenix Contact also recommends that users using the Phoenix Contact managed FL SWITCH devices enable HTTP security.",
          "product_ids": [
            "CSAFPID-0001"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 8.2,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N",
            "version": "3.0"
          },
          "products": [
            "CSAFPID-0001"
          ]
        }
      ]
    },
    {
      "cve": "CVE-2018-13994",
      "cwe": {
        "id": "CWE-400",
        "name": "Uncontrolled Resource Consumption"
      },
      "notes": [
        {
          "category": "summary",
          "text": "An attacker can initiate a web denial-of-service attack by producing an excessive number of Web UI connections.CVE-2018-13994 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-2018-13994"
        },
        {
          "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": "mitigation",
          "details": "Phoenix Contact recommends that users of FL SWITCH devices with affected firmware versions update the firmware to Version 1.35 or higher, which fixes these vulnerabilities. The updated firmware may be downloaded from the managed switch product page on the Phoenix Contact website. Please see the CERT VDE advisory for these vulnerabilities for the location of the new firmware download for each specific product: https://cert.vde.com/de-de/advisories/vde-2019-001",
          "product_ids": [
            "CSAFPID-0001"
          ],
          "url": "https://cert.vde.com/de-de/advisories/vde-2019-001"
        },
        {
          "category": "mitigation",
          "details": "Phoenix Contact also recommends that users using the Phoenix Contact managed FL SWITCH devices enable HTTP security.",
          "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-2018-13991",
      "cwe": {
        "id": "CWE-922",
        "name": "Insecure Storage of Sensitive Information"
      },
      "notes": [
        {
          "category": "summary",
          "text": "An attacker may extract the switch \u0027s default private keys from its firmware image.CVE-2018-13991 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-2018-13991"
        },
        {
          "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": "mitigation",
          "details": "Phoenix Contact recommends that users of FL SWITCH devices with affected firmware versions update the firmware to Version 1.35 or higher, which fixes these vulnerabilities. The updated firmware may be downloaded from the managed switch product page on the Phoenix Contact website. Please see the CERT VDE advisory for these vulnerabilities for the location of the new firmware download for each specific product: https://cert.vde.com/de-de/advisories/vde-2019-001",
          "product_ids": [
            "CSAFPID-0001"
          ],
          "url": "https://cert.vde.com/de-de/advisories/vde-2019-001"
        },
        {
          "category": "mitigation",
          "details": "Phoenix Contact also recommends that users using the Phoenix Contact managed FL SWITCH devices enable HTTP security.",
          "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-2017-3735",
      "cwe": {
        "id": "CWE-119",
        "name": "Improper Restriction of Operations within the Bounds of a Memory Buffer"
      },
      "notes": [
        {
          "category": "summary",
          "text": "Buffer errors in the existing switch security library may allow a denial-of-service condition.CVE-2017-3735 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-2017-3735"
        },
        {
          "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": "mitigation",
          "details": "Phoenix Contact recommends that users of FL SWITCH devices with affected firmware versions update the firmware to Version 1.35 or higher, which fixes these vulnerabilities. The updated firmware may be downloaded from the managed switch product page on the Phoenix Contact website. Please see the CERT VDE advisory for these vulnerabilities for the location of the new firmware download for each specific product: https://cert.vde.com/de-de/advisories/vde-2019-001",
          "product_ids": [
            "CSAFPID-0001"
          ],
          "url": "https://cert.vde.com/de-de/advisories/vde-2019-001"
        },
        {
          "category": "mitigation",
          "details": "Phoenix Contact also recommends that users using the Phoenix Contact managed FL SWITCH devices enable HTTP security.",
          "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"
          ]
        }
      ]
    }
  ]
}


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