ICSA-19-164-02

Vulnerability from csaf_cisa - Published: 2019-06-13 00:00 - Updated: 2019-06-13 00:00
Summary
WAGO Industrial Managed Switches 852-303, 852-1305, and 852-1505

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 compromise of the managed switch, resulting in disruption of communication, and root access to the operating system.
Critical infrastructure sectors
Commercial Facilities
Countries/areas deployed
Worldwide
Company headquarters location
Germany
Recommended Practices
NCCIC recommends users take defensive measures to minimize the risk of exploitation of these vulnerabilities. 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": [
      {
        "names": [
          "T. Weber"
        ],
        "organization": "SEC Consult Vulnerability Lab",
        "summary": "reporting these vulnerabilities to CERT@VDE"
      }
    ],
    "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 compromise of the managed switch, resulting in disruption of communication, and root access to the operating system.",
        "title": "Risk evaluation"
      },
      {
        "category": "other",
        "text": "Commercial Facilities",
        "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 these vulnerabilities. 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-19-164-02 JSON",
        "url": "https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/OT/white/2019/icsa-19-164-02.json"
      },
      {
        "category": "self",
        "summary": "ICS Advisory ICSA-19-164-02 Web Version",
        "url": "https://www.cisa.gov/news-events/ics-advisories/icsa-19-164-02"
      },
      {
        "category": "external",
        "summary": "Recommended Practices",
        "url": "https://www.cisa.gov/news-events/ics-advisories/icsa-19-164-02"
      },
      {
        "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": "WAGO Industrial Managed Switches 852-303, 852-1305, and 852-1505",
    "tracking": {
      "current_release_date": "2019-06-13T00:00:00.000000Z",
      "generator": {
        "engine": {
          "name": "CISA CSAF Generator",
          "version": "1.0.0"
        }
      },
      "id": "ICSA-19-164-02",
      "initial_release_date": "2019-06-13T00:00:00.000000Z",
      "revision_history": [
        {
          "date": "2019-06-13T00:00:00.000000Z",
          "legacy_version": "Initial",
          "number": "1",
          "summary": "ICSA-19-164-02 WAGO Industrial Managed Switches 852-303, 852-1305, and 852-1505"
        }
      ],
      "status": "final",
      "version": "1"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003c 1.1.6.S0",
                "product": {
                  "name": "Industrial Managed Switch 852-1305: All versions prior to v1.1.6.S0",
                  "product_id": "CSAFPID-0001"
                }
              }
            ],
            "category": "product_name",
            "name": "Industrial Managed Switch 852-1305"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003c 1.1.5.S0",
                "product": {
                  "name": "Industrial Managed Switch 852-1505: All versions prior to v1.1.5.S0",
                  "product_id": "CSAFPID-0002"
                }
              }
            ],
            "category": "product_name",
            "name": "Industrial Managed Switch 852-1505"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003c 1.2.2.S0",
                "product": {
                  "name": "Industrial Managed Switch 852-303: All versions prior to v1.2.2.S0",
                  "product_id": "CSAFPID-0003"
                }
              }
            ],
            "category": "product_name",
            "name": "Industrial Managed Switch 852-303"
          }
        ],
        "category": "vendor",
        "name": "WAGO"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2019-12550",
      "cwe": {
        "id": "CWE-798",
        "name": "Use of Hard-coded Credentials"
      },
      "notes": [
        {
          "category": "summary",
          "text": "An attacker with access to the hard-coded credentials may gain access to the operating system of the managed switch with root privileges, which may allow manipulation of the operating system of the managed switch.CVE-2019-12550 has been assigned to this vulnerability. A CVSS v3 base score of 9.8 has been assigned; 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",
          "CSAFPID-0002",
          "CSAFPID-0003"
        ]
      },
      "references": [
        {
          "category": "external",
          "summary": "web.nvd.nist.gov",
          "url": "http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2019-12550"
        },
        {
          "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": "mitigation",
          "details": "WAGO recommends users update their managed switch to the latest firmware published June 7, 2019, or later. New firmware can be requested in the Runtime Software dropdown within the Downloads section at the links below:",
          "product_ids": [
            "CSAFPID-0001",
            "CSAFPID-0002",
            "CSAFPID-0003"
          ]
        },
        {
          "category": "mitigation",
          "details": "852-303: v1.2.2.S0 or later",
          "product_ids": [
            "CSAFPID-0001",
            "CSAFPID-0002",
            "CSAFPID-0003"
          ],
          "url": "https://www.wago.com/us/switches/industrial-managed-switch/p/852-303"
        },
        {
          "category": "mitigation",
          "details": "852-1305: v1.1.6.S0 or later",
          "product_ids": [
            "CSAFPID-0001",
            "CSAFPID-0002",
            "CSAFPID-0003"
          ],
          "url": "https://www.wago.com/us/switches/industrial-managed-switch/p/852-1305"
        },
        {
          "category": "mitigation",
          "details": "852-1505: v1.1.5.S0 or later",
          "product_ids": [
            "CSAFPID-0001",
            "CSAFPID-0002",
            "CSAFPID-0003"
          ],
          "url": "https://www.wago.com/us/switches/industrial-managed-switch/p/852-1505"
        },
        {
          "category": "mitigation",
          "details": "Restrict network access to the switch",
          "product_ids": [
            "CSAFPID-0001",
            "CSAFPID-0002",
            "CSAFPID-0003"
          ]
        },
        {
          "category": "mitigation",
          "details": "Restrict network access to the SSH server.",
          "product_ids": [
            "CSAFPID-0001",
            "CSAFPID-0002",
            "CSAFPID-0003"
          ]
        },
        {
          "category": "mitigation",
          "details": "Do not directly connect the device to the Internet.",
          "product_ids": [
            "CSAFPID-0001",
            "CSAFPID-0002",
            "CSAFPID-0003"
          ]
        },
        {
          "category": "mitigation",
          "details": "For more information CERT@VDE has released a security notification which can be viewed at the following link:https://cert.vde.com/en-us/advisories/vde-2019-013",
          "product_ids": [
            "CSAFPID-0001",
            "CSAFPID-0002",
            "CSAFPID-0003"
          ],
          "url": "https://cert.vde.com/en-us/advisories/vde-2019-013"
        }
      ],
      "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",
            "CSAFPID-0002",
            "CSAFPID-0003"
          ]
        }
      ]
    },
    {
      "cve": "CVE-2019-12549",
      "cwe": {
        "id": "CWE-321",
        "name": "Use of Hard-coded Cryptographic Key"
      },
      "notes": [
        {
          "category": "summary",
          "text": "An attacker with access to the hard-coded SSH key may disrupt communication or compromise the managed switch. The SSH-keys cannot be regenerated by users and all switches use the same key. CVE-2019-12549 has been assigned to this vulnerability. A CVSS v3 base score of 9.8 has been assigned; the CVSS vector string is (AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).. 3.2.3 USING COMPONENTS WITH KNOWN VULNERABILITIES 3.2.3 USING COMPONENTS WITH KNOWN VULNERABILITIES. The listed managed switches use outdated third-party components with known vulnerabilities. See the full list of CVE identifiers in CERT@VDE advisory number VDE-2019-013.CVE-2019-12549 has been assigned to this vulnerability. A CVSS v3 base score of 9.8 has been assigned; 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",
          "CSAFPID-0002",
          "CSAFPID-0003"
        ]
      },
      "references": [
        {
          "category": "external",
          "summary": "web.nvd.nist.gov",
          "url": "http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2019-12549"
        },
        {
          "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": "mitigation",
          "details": "WAGO recommends users update their managed switch to the latest firmware published June 7, 2019, or later. New firmware can be requested in the Runtime Software dropdown within the Downloads section at the links below:",
          "product_ids": [
            "CSAFPID-0001",
            "CSAFPID-0002",
            "CSAFPID-0003"
          ]
        },
        {
          "category": "mitigation",
          "details": "852-303: v1.2.2.S0 or later",
          "product_ids": [
            "CSAFPID-0001",
            "CSAFPID-0002",
            "CSAFPID-0003"
          ],
          "url": "https://www.wago.com/us/switches/industrial-managed-switch/p/852-303"
        },
        {
          "category": "mitigation",
          "details": "852-1305: v1.1.6.S0 or later",
          "product_ids": [
            "CSAFPID-0001",
            "CSAFPID-0002",
            "CSAFPID-0003"
          ],
          "url": "https://www.wago.com/us/switches/industrial-managed-switch/p/852-1305"
        },
        {
          "category": "mitigation",
          "details": "852-1505: v1.1.5.S0 or later",
          "product_ids": [
            "CSAFPID-0001",
            "CSAFPID-0002",
            "CSAFPID-0003"
          ],
          "url": "https://www.wago.com/us/switches/industrial-managed-switch/p/852-1505"
        },
        {
          "category": "mitigation",
          "details": "Restrict network access to the switch",
          "product_ids": [
            "CSAFPID-0001",
            "CSAFPID-0002",
            "CSAFPID-0003"
          ]
        },
        {
          "category": "mitigation",
          "details": "Restrict network access to the SSH server.",
          "product_ids": [
            "CSAFPID-0001",
            "CSAFPID-0002",
            "CSAFPID-0003"
          ]
        },
        {
          "category": "mitigation",
          "details": "Do not directly connect the device to the Internet.",
          "product_ids": [
            "CSAFPID-0001",
            "CSAFPID-0002",
            "CSAFPID-0003"
          ]
        },
        {
          "category": "mitigation",
          "details": "For more information CERT@VDE has released a security notification which can be viewed at the following link:https://cert.vde.com/en-us/advisories/vde-2019-013",
          "product_ids": [
            "CSAFPID-0001",
            "CSAFPID-0002",
            "CSAFPID-0003"
          ],
          "url": "https://cert.vde.com/en-us/advisories/vde-2019-013"
        }
      ],
      "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",
            "CSAFPID-0002",
            "CSAFPID-0003"
          ]
        }
      ]
    }
  ]
}


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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.