{
  "document": {
    "acknowledgments": [
      {
        "names": [
          "BD"
        ],
        "summary": "notifying CISA that these products are affected by this Linux kernel vulnerability"
      }
    ],
    "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 this vulnerability could allow an attacker to cause a denial of service (DoS) on the target system and could cause the BD Alaris PCU to disconnect from the facility 's wireless network.",
        "title": "Risk evaluation"
      },
      {
        "category": "other",
        "text": "Healthcare and Public Health",
        "title": "Critical infrastructure sectors"
      },
      {
        "category": "other",
        "text": "Worldwide",
        "title": "Countries/areas deployed"
      },
      {
        "category": "other",
        "text": "United States",
        "title": "Company headquarters location"
      },
      {
        "category": "general",
        "text": "CISA recommends users take defensive measures to minimize the risk of exploitation of this vulnerability. Where additional information is needed, users should refer to existing cybersecurity in medical device guidance issued by the FDA.",
        "title": "Recommended Practices"
      },
      {
        "category": "general",
        "text": "CISA reminds organizations to perform proper impact analysis and risk assessment prior to deploying defensive measures.\nCISA also provides a section for control systems security recommended practices on the ICS webpage onus-cert.gov. 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 webpage on us-cert.gov in the Technical Information Paper, ICS-TIP-12-146-01B--Targeted Cyber Intrusion Detection and Mitigation Strategies.\nOrganizations observing any suspected malicious activity should follow their established internal procedures and report their findings to CISA for tracking and correlation against other incidents.",
        "title": "Recommended Practices"
      },
      {
        "category": "other",
        "text": "No known public exploits specifically target this vulnerability.",
        "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 ICSMA-20-170-06 JSON",
        "url": "https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/OT/white/2020/icsma-20-170-06.json"
      },
      {
        "category": "self",
        "summary": "ICS Advisory ICSMA-20-170-06 Web Version",
        "url": "https://www.cisa.gov/news-events/ics-medical-advisories/icsma-20-170-06"
      },
      {
        "category": "external",
        "summary": "Recommended Practices",
        "url": "https://www.fda.gov/medical-devices/digital-health/cybersecurity"
      },
      {
        "category": "external",
        "summary": "Recommended Practices",
        "url": "https://www.us-cert.gov/sites/default/files/recommended_practices/NCCIC_ICS-CERT_Defense_in_Depth_2016_S508C.pdf"
      },
      {
        "category": "external",
        "summary": "Recommended Practices",
        "url": "https://www.us-cert.gov/ics/tips/ICS-TIP-12-146-01B"
      }
    ],
    "title": "BD Alaris PCU (Update A)",
    "tracking": {
      "current_release_date": "2020-06-23T00:00:00.000000Z",
      "generator": {
        "engine": {
          "name": "CISA CSAF Generator",
          "version": "1.0.0"
        }
      },
      "id": "ICSMA-20-170-06",
      "initial_release_date": "2020-06-18T00:00:00.000000Z",
      "revision_history": [
        {
          "date": "2020-06-18T00:00:00.000000Z",
          "legacy_version": "Initial",
          "number": "1",
          "summary": "ICSMA-20-170-06 BD Alaris PCU"
        },
        {
          "date": "2020-06-23T00:00:00.000000Z",
          "legacy_version": "A",
          "number": "2",
          "summary": "ICSMA-20-170-06 BD Alaris PCU (Update A)"
        }
      ],
      "status": "final",
      "version": "2"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version",
                "name": "9.13 | 9.19 | 9.33 | 12.1",
                "product": {
                  "name": "Alaris PC Unit: Versions 9.13 9.19 9.33 and 12.1",
                  "product_id": "CSAFPID-0001"
                }
              }
            ],
            "category": "product_name",
            "name": "Alaris PC Unit"
          }
        ],
        "category": "vendor",
        "name": "Becton, Dickinson and Company (BD)"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2019-11479",
      "cwe": {
        "id": "CWE-400",
        "name": "Uncontrolled Resource Consumption"
      },
      "notes": [
        {
          "category": "summary",
          "text": "The affected products incorporate a vulnerable Linux kernel which is vulnerable to uncontrolled resource consumption due to a hard-coded Linux kernel maximum segment size overflow. This could allow an attacker to cause a denial of service, affecting the wireless functionality of the vulnerable devices.CVE-2019-11479 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:N/I:N/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-2019-11479"
        },
        {
          "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:L"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "BD recommends the following to help reduce the risks associated with this third-party vulnerability:",
          "product_ids": [
            "CSAFPID-0001"
          ]
        },
        {
          "category": "vendor_fix",
          "details": "For more information on this issue, please see the associated BD product security bulletin on the BD website.",
          "product_ids": [
            "CSAFPID-0001"
          ],
          "url": "https://www.bd.com/en-us/support/product-security-and-privacy/product-security-bulletins/third-party-product-security-bulletin-for-linux-kernel-vulnerability-within-wi-fi-module-in-alaris-pcu"
        },
        {
          "category": "vendor_fix",
          "details": "For more information on BD 's product security and vulnerability management, contact the BD product security office.",
          "product_ids": [
            "CSAFPID-0001"
          ],
          "url": "http://www.bd.com/productsecurity"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 5.3,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
            "version": "3.0"
          },
          "products": [
            "CSAFPID-0001"
          ]
        }
      ]
    }
  ]
}