ICSA-19-183-01

Vulnerability from csaf_cisa - Published: 2019-07-02 00:00 - Updated: 2019-07-02 00:00
Summary
Schneider Electric Modicon Controllers
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 this vulnerability could result in a denial-of-service condition.
Critical infrastructure sectors: Multiple Sectors
Countries/areas deployed: Worldwide
Company headquarters location: France
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 this vulnerability.
CVE-2019-6819
7.5 (High)
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE-754 - Improper Check for Unusual or Exceptional Conditions
Mitigation Schneider Electric has recommended the following to mitigate this vulnerability.
Mitigation Modicon M340 - The vulnerability is fixed in v3.01 and is available for download
Mitigation BMXP3420302 and CL and H: https://www.schneider-electric.com/en/download/document/BMXP3420302_Firmwares/ https://www.schneider-electric.com/en/download/do…
Mitigation BMXP342020 and H: https://www.schneider-electric.com/en/download/document/BMXP342020_Firmwares/ https://www.schneider-electric.com/en/download/do…
Mitigation BMXP342000: https://www.schneider-electric.com/en/download/document/BMXP342000_Firmwares/ https://www.schneider-electric.com/en/download/do…
Mitigation BMXP341000 and H: https://www.schneider-electric.com/en/download/document/BMXP341000_Firmwares/ https://www.schneider-electric.com/en/download/do…
Mitigation BMXP3420102 and CL: https://www.schneider-electric.com/en/download/document/BMXP3420102_Firmwares/ https://www.schneider-electric.com/en/download/do…
Mitigation BMXP3420302 and H: https://www.schneider-electric.com/en/download/document/BMXP3420302_Firmwares/ https://www.schneider-electric.com/en/download/do…
Vendor Fix Modicon M580 - The vulnerability is fixed in v2.80
Mitigation BMEP584040, BMEP584040S, BMEH584040 and C: https://www.schneider-electric.com/en/download/document/M580_BMEP584040_SV2.80/ https://www.schneider-electric.com/en/download/do…
Mitigation BMEP586040 and C: https://www.schneider-electric.com/en/download/document/M580_BMEP586040_SV2.80/ https://www.schneider-electric.com/en/download/do…
Mitigation BMEH586040 and C: https://www.schneiderelectric.com/en/download/document/M580_BMEH586040_SV2.80/ https://www.schneider-electric.com/en/download/do…
Mitigation BMEP581020 and H: https://www.schneiderelectric.com/en/download/document/M580_BMEP581020_SV2.80/ https://www.schneider-electric.com/en/download/do…
Mitigation BMEP582020 and H: https://www.schneiderelectric.com/en/download/document/M580_BMEP582020_SV2.80/ https://www.schneider-electric.com/en/download/do…
Mitigation BMEP582040 and H: https://www.schneiderelectric.com/en/download/document/M580_BMEP582040_SV2.80/ https://www.schneider-electric.com/en/download/do…
Mitigation BMEP583020: https://www.schneiderelectric.com/en/download/document/M580_BMEP583020_SV2.80/ https://www.schneider-electric.com/en/download/do…
Mitigation BMEP583040: https://www.schneiderelectric.com/en/download/document/M580_BMEP583040_SV2.80/ https://www.schneider-electric.com/en/download/do…
Mitigation BMEP584020: https://www.schneiderelectric.com/en/download/document/M580_BMEP584020_SV2.80/ https://www.schneider-electric.com/en/download/do…
Mitigation BMEP585040 and C: https://www.schneiderelectric.com/en/download/document/M580_BMEP585040_SV2.80/ https://www.schneider-electric.com/en/download/do…
Mitigation BMEP582040S: https://www.schneiderelectric.com/en/download/document/M580_BMEP582040S_SV2.80/ https://www.schneider-electric.com/en/download/do…
Mitigation BMEH582040 and C: https://www.schneiderelectric.com/en/download/document/M580_BMEP582040_SV2.80 https://www.schneider-electric.com/en/download/do…
Vendor Fix Schneider Electric's Modicon Quantum controllers have reached the end of their life and are no longer commercially available. They have been replaced by the Modicon M580 ePAC controller, Schneider Electric's most current product. Schneider Electric recommends users migrate to the Modicon M580 ePAC.
Mitigation To mitigate risks associated with this Modbus vulnerability, users should immediately set up network segmentation and implement a firewall to block all unauthorized access to Port 502/TCP.
Mitigation Locate control and safety system networks and remote devices behind firewalls, and isolate them from the business network.
Mitigation Physical controls should be in place so no unauthorized persons have access to the ICS and safety controllers, peripheral equipment, or the ICS and safety networks.
Mitigation All controllers should reside in locked cabinets and never be left in the “Program” mode.
Mitigation All programming software should be kept in locked cabinets and should never be connected to any network other than the network for the intended devices.
Mitigation All methods of mobile data exchange with the isolated network (e.g., CDs, USB drives, etc.) should be scanned before use in the terminals or any node connected to these networks.
Mitigation Laptops that have connected to any other network besides the intended network should never be allowed to connect to the safety or control networks without proper sanitation.
Mitigation Minimize network exposure for all control system devices and/or systems, and ensure they are not accessible from the Internet.
Mitigation When remote access is required, use secure methods, such as virtual private networks (VPNs), recognizing that VPNs may have vulnerabilities and should be updated to the most current version available. Also recognize VPN is only as secure as the connected devices.
Mitigation For more information, please see Schneider Electric advisory: SEVD-2019-134-05 https://download.schneider-electric.com/files?p_e…
References
Acknowledgments
CNCERT/CC Zhang Xiaoming Zhang Jiawei Sun Zhonghao Luo bing
To clipboard 

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        "title": "CISA Disclaimer"
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      },
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            "CSAFPID-0003",
            "CSAFPID-0004"
          ]
        },
        {
          "category": "mitigation",
          "details": "Modicon M340 - The vulnerability is fixed in v3.01 and is available for download ",
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            "CSAFPID-0003",
            "CSAFPID-0004"
          ]
        },
        {
          "category": "mitigation",
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          "product_ids": [
            "CSAFPID-0001",
            "CSAFPID-0002",
            "CSAFPID-0003",
            "CSAFPID-0004"
          ],
          "url": "https://www.schneider-electric.com/en/download/document/BMXP3420302_Firmwares/"
        },
        {
          "category": "mitigation",
          "details": "BMXP342020 and H: https://www.schneider-electric.com/en/download/document/BMXP342020_Firmwares/",
          "product_ids": [
            "CSAFPID-0001",
            "CSAFPID-0002",
            "CSAFPID-0003",
            "CSAFPID-0004"
          ],
          "url": "https://www.schneider-electric.com/en/download/document/BMXP342020_Firmwares/"
        },
        {
          "category": "mitigation",
          "details": "BMXP342000: https://www.schneider-electric.com/en/download/document/BMXP342000_Firmwares/",
          "product_ids": [
            "CSAFPID-0001",
            "CSAFPID-0002",
            "CSAFPID-0003",
            "CSAFPID-0004"
          ],
          "url": "https://www.schneider-electric.com/en/download/document/BMXP342000_Firmwares/"
        },
        {
          "category": "mitigation",
          "details": "BMXP341000 and H: https://www.schneider-electric.com/en/download/document/BMXP341000_Firmwares/",
          "product_ids": [
            "CSAFPID-0001",
            "CSAFPID-0002",
            "CSAFPID-0003",
            "CSAFPID-0004"
          ],
          "url": "https://www.schneider-electric.com/en/download/document/BMXP341000_Firmwares/"
        },
        {
          "category": "mitigation",
          "details": "BMXP3420102 and CL: https://www.schneider-electric.com/en/download/document/BMXP3420102_Firmwares/",
          "product_ids": [
            "CSAFPID-0001",
            "CSAFPID-0002",
            "CSAFPID-0003",
            "CSAFPID-0004"
          ],
          "url": "https://www.schneider-electric.com/en/download/document/BMXP3420102_Firmwares/"
        },
        {
          "category": "mitigation",
          "details": "BMXP3420302 and H: https://www.schneider-electric.com/en/download/document/BMXP3420302_Firmwares/",
          "product_ids": [
            "CSAFPID-0001",
            "CSAFPID-0002",
            "CSAFPID-0003",
            "CSAFPID-0004"
          ],
          "url": "https://www.schneider-electric.com/en/download/document/BMXP3420302_Firmwares/"
        },
        {
          "category": "vendor_fix",
          "details": "Modicon M580 - The vulnerability is fixed in v2.80 ",
          "product_ids": [
            "CSAFPID-0001",
            "CSAFPID-0002",
            "CSAFPID-0003",
            "CSAFPID-0004"
          ]
        },
        {
          "category": "mitigation",
          "details": "BMEP584040, BMEP584040S, BMEH584040 and C: https://www.schneider-electric.com/en/download/document/M580_BMEP584040_SV2.80/",
          "product_ids": [
            "CSAFPID-0001",
            "CSAFPID-0002",
            "CSAFPID-0003",
            "CSAFPID-0004"
          ],
          "url": "https://www.schneider-electric.com/en/download/document/M580_BMEP584040_SV2.80/"
        },
        {
          "category": "mitigation",
          "details": "BMEP586040 and C: https://www.schneider-electric.com/en/download/document/M580_BMEP586040_SV2.80/",
          "product_ids": [
            "CSAFPID-0001",
            "CSAFPID-0002",
            "CSAFPID-0003",
            "CSAFPID-0004"
          ],
          "url": "https://www.schneider-electric.com/en/download/document/M580_BMEP586040_SV2.80/"
        },
        {
          "category": "mitigation",
          "details": "BMEH586040 and C: https://www.schneiderelectric.com/en/download/document/M580_BMEH586040_SV2.80/",
          "product_ids": [
            "CSAFPID-0001",
            "CSAFPID-0002",
            "CSAFPID-0003",
            "CSAFPID-0004"
          ],
          "url": "https://www.schneider-electric.com/en/download/document/M580_BMEH586040_SV2.80/"
        },
        {
          "category": "mitigation",
          "details": "BMEP581020 and H: https://www.schneiderelectric.com/en/download/document/M580_BMEP581020_SV2.80/",
          "product_ids": [
            "CSAFPID-0001",
            "CSAFPID-0002",
            "CSAFPID-0003",
            "CSAFPID-0004"
          ],
          "url": "https://www.schneider-electric.com/en/download/document/M580_BMEP581020_SV2.80/"
        },
        {
          "category": "mitigation",
          "details": "BMEP582020 and H: https://www.schneiderelectric.com/en/download/document/M580_BMEP582020_SV2.80/",
          "product_ids": [
            "CSAFPID-0001",
            "CSAFPID-0002",
            "CSAFPID-0003",
            "CSAFPID-0004"
          ],
          "url": "https://www.schneider-electric.com/en/download/document/M580_BMEP582020_SV2.80/"
        },
        {
          "category": "mitigation",
          "details": "BMEP582040 and H: https://www.schneiderelectric.com/en/download/document/M580_BMEP582040_SV2.80/",
          "product_ids": [
            "CSAFPID-0001",
            "CSAFPID-0002",
            "CSAFPID-0003",
            "CSAFPID-0004"
          ],
          "url": "https://www.schneider-electric.com/en/download/document/M580_BMEP582040_SV2.80/"
        },
        {
          "category": "mitigation",
          "details": "BMEP583020: https://www.schneiderelectric.com/en/download/document/M580_BMEP583020_SV2.80/",
          "product_ids": [
            "CSAFPID-0001",
            "CSAFPID-0002",
            "CSAFPID-0003",
            "CSAFPID-0004"
          ],
          "url": "https://www.schneider-electric.com/en/download/document/M580_BMEP583020_SV2.80/"
        },
        {
          "category": "mitigation",
          "details": "BMEP583040: https://www.schneiderelectric.com/en/download/document/M580_BMEP583040_SV2.80/",
          "product_ids": [
            "CSAFPID-0001",
            "CSAFPID-0002",
            "CSAFPID-0003",
            "CSAFPID-0004"
          ],
          "url": "https://www.schneider-electric.com/en/download/document/M580_BMEP583040_SV2.80/"
        },
        {
          "category": "mitigation",
          "details": "BMEP584020: https://www.schneiderelectric.com/en/download/document/M580_BMEP584020_SV2.80/",
          "product_ids": [
            "CSAFPID-0001",
            "CSAFPID-0002",
            "CSAFPID-0003",
            "CSAFPID-0004"
          ],
          "url": "https://www.schneider-electric.com/en/download/document/M580_BMEP584020_SV2.80/"
        },
        {
          "category": "mitigation",
          "details": "BMEP585040 and C: https://www.schneiderelectric.com/en/download/document/M580_BMEP585040_SV2.80/",
          "product_ids": [
            "CSAFPID-0001",
            "CSAFPID-0002",
            "CSAFPID-0003",
            "CSAFPID-0004"
          ],
          "url": "https://www.schneider-electric.com/en/download/document/M580_BMEP585040_SV2.80/"
        },
        {
          "category": "mitigation",
          "details": "BMEP582040S: https://www.schneiderelectric.com/en/download/document/M580_BMEP582040S_SV2.80/",
          "product_ids": [
            "CSAFPID-0001",
            "CSAFPID-0002",
            "CSAFPID-0003",
            "CSAFPID-0004"
          ],
          "url": "https://www.schneider-electric.com/en/download/document/M580_BMEP582040S_SV2.80/"
        },
        {
          "category": "mitigation",
          "details": "BMEH582040 and C: https://www.schneiderelectric.com/en/download/document/M580_BMEP582040_SV2.80",
          "product_ids": [
            "CSAFPID-0001",
            "CSAFPID-0002",
            "CSAFPID-0003",
            "CSAFPID-0004"
          ],
          "url": "https://www.schneider-electric.com/en/download/document/M580_BMEP582040_SV2.80/"
        },
        {
          "category": "vendor_fix",
          "details": "Schneider Electric\u0027s Modicon Quantum controllers have reached the end of their life and are no longer commercially available. They have been replaced by the Modicon M580 ePAC controller, Schneider Electric\u0027s most current product. Schneider Electric recommends users migrate to the Modicon M580 ePAC.",
          "product_ids": [
            "CSAFPID-0001",
            "CSAFPID-0002",
            "CSAFPID-0003",
            "CSAFPID-0004"
          ]
        },
        {
          "category": "mitigation",
          "details": "To mitigate risks associated with this Modbus vulnerability, users should immediately set up network segmentation and implement a firewall to block all unauthorized access to Port 502/TCP.",
          "product_ids": [
            "CSAFPID-0001",
            "CSAFPID-0002",
            "CSAFPID-0003",
            "CSAFPID-0004"
          ]
        },
        {
          "category": "mitigation",
          "details": "Locate control and safety system networks and remote devices behind firewalls, and isolate them from the business network.",
          "product_ids": [
            "CSAFPID-0001",
            "CSAFPID-0002",
            "CSAFPID-0003",
            "CSAFPID-0004"
          ]
        },
        {
          "category": "mitigation",
          "details": "Physical controls should be in place so no unauthorized persons have access to the ICS and safety controllers, peripheral equipment, or the ICS and safety networks.",
          "product_ids": [
            "CSAFPID-0001",
            "CSAFPID-0002",
            "CSAFPID-0003",
            "CSAFPID-0004"
          ]
        },
        {
          "category": "mitigation",
          "details": "All controllers should reside in locked cabinets and never be left in the \u201cProgram\u201d mode.",
          "product_ids": [
            "CSAFPID-0001",
            "CSAFPID-0002",
            "CSAFPID-0003",
            "CSAFPID-0004"
          ]
        },
        {
          "category": "mitigation",
          "details": "All programming software should be kept in locked cabinets and should never be connected to any network other than the network for the intended devices.",
          "product_ids": [
            "CSAFPID-0001",
            "CSAFPID-0002",
            "CSAFPID-0003",
            "CSAFPID-0004"
          ]
        },
        {
          "category": "mitigation",
          "details": "All methods of mobile data exchange with the isolated network (e.g., CDs, USB drives, etc.) should be scanned before use in the terminals or any node connected to these networks.",
          "product_ids": [
            "CSAFPID-0001",
            "CSAFPID-0002",
            "CSAFPID-0003",
            "CSAFPID-0004"
          ]
        },
        {
          "category": "mitigation",
          "details": "Laptops that have connected to any other network besides the intended network should never be allowed to connect to the safety or control networks without proper sanitation.",
          "product_ids": [
            "CSAFPID-0001",
            "CSAFPID-0002",
            "CSAFPID-0003",
            "CSAFPID-0004"
          ]
        },
        {
          "category": "mitigation",
          "details": "Minimize network exposure for all control system devices and/or systems, and ensure they are not accessible from the Internet.",
          "product_ids": [
            "CSAFPID-0001",
            "CSAFPID-0002",
            "CSAFPID-0003",
            "CSAFPID-0004"
          ]
        },
        {
          "category": "mitigation",
          "details": "When remote access is required, use secure methods, such as virtual private networks (VPNs), recognizing that VPNs may have vulnerabilities and should be updated to the most current version available. Also recognize VPN is only as secure as the connected devices.",
          "product_ids": [
            "CSAFPID-0001",
            "CSAFPID-0002",
            "CSAFPID-0003",
            "CSAFPID-0004"
          ]
        },
        {
          "category": "mitigation",
          "details": "For more information, please see Schneider Electric advisory: SEVD-2019-134-05",
          "product_ids": [
            "CSAFPID-0001",
            "CSAFPID-0002",
            "CSAFPID-0003",
            "CSAFPID-0004"
          ],
          "url": "https://download.schneider-electric.com/files?p_enDocType=Technical+leaflet\u0026p_File_Name=SEVD-2019-134-05+-+Modicon+Controller.pdf\u0026p_Doc_Ref=SEVD-2019-134-05"
        }
      ],
      "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",
            "CSAFPID-0002",
            "CSAFPID-0003",
            "CSAFPID-0004"
          ]
        }
      ]
    }
  ]
}


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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.