icsa-17-208-04
Vulnerability from csaf_cisa
Published
2017-07-27 00:00
Modified
2017-08-24 00:00
Summary
Rockwell Automation Allen-Bradley Stratix and ArmorStratix

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
Critical infrastructure sectors
Critical Manufacturing, Energy, and Water and Wastewater Systems
Countries/areas deployed
Worldwide
Company headquarters location
Milwaukee, Wisconsin
Recommended Practices
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 this vulnerability.


To clipboard 

{
  "document": {
    "acknowledgments": [
      {
        "organization": "Cisco",
        "summary": "discovering these vulnerabilities during internal testing"
      },
      {
        "organization": "Rockwell Automation",
        "summary": "reporting these vulnerabilities to ICS-CERT"
      }
    ],
    "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": "Critical Manufacturing, Energy, and Water and Wastewater Systems",
        "title": "Critical infrastructure sectors"
      },
      {
        "category": "other",
        "text": "Worldwide",
        "title": "Countries/areas deployed"
      },
      {
        "category": "other",
        "text": "Milwaukee, Wisconsin",
        "title": "Company headquarters location"
      },
      {
        "category": "general",
        "text": "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 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 ICSA-17-208-04 JSON",
        "url": "https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/OT/white/2017/icsa-17-208-04.json"
      },
      {
        "category": "self",
        "summary": "ICS Advisory ICSA-17-208-04 Web Version",
        "url": "https://www.cisa.gov/news-events/ics-advisories/icsa-17-208-04"
      }
    ],
    "title": "Rockwell Automation Allen-Bradley Stratix and ArmorStratix",
    "tracking": {
      "current_release_date": "2017-08-24T00:00:00.000000Z",
      "generator": {
        "engine": {
          "name": "CISA CSAF Generator",
          "version": "1.0.0"
        }
      },
      "id": "ICSA-17-208-04",
      "initial_release_date": "2017-07-27T00:00:00.000000Z",
      "revision_history": [
        {
          "date": "2017-07-27T00:00:00.000000Z",
          "legacy_version": "Initial",
          "number": "1",
          "summary": "ICSA-17-208-04P Rockwell Automation Allen-Bradley Stratix and ArmoStratix"
        },
        {
          "date": "2017-08-24T00:00:00.000000Z",
          "legacy_version": "A",
          "number": "2",
          "summary": "ICSA-17-208-04 Rockwell Automation Allen-Bradley Stratix and ArmorStratix (Update A)"
        }
      ],
      "status": "final",
      "version": "2"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003c= 15.2(5)EA.fc4",
                "product": {
                  "name": "Allen-Bradley Stratix 5410 Industrial Distribution Switches: All Versions 15.2(5)EA.fc4 and earlier",
                  "product_id": "CSAFPID-0001"
                }
              }
            ],
            "category": "product_name",
            "name": "Allen-Bradley Stratix 5410 Industrial Distribution Switches"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003c= 15.2(5)EA.fc4",
                "product": {
                  "name": "Allen-Bradley Stratix 5900 Services Router: All Versions 15.2(5)EA.fc4 and earlier",
                  "product_id": "CSAFPID-0002"
                }
              }
            ],
            "category": "product_name",
            "name": "Allen-Bradley Stratix 5900 Services Router"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003c= 15.2(5)EA.fc4",
                "product": {
                  "name": "Stratix 8300 Modular Managed Ethernet Switches: All Versions 15.2(5)EA.fc4 and earlier",
                  "product_id": "CSAFPID-0003"
                }
              }
            ],
            "category": "product_name",
            "name": "Stratix 8300 Modular Managed Ethernet Switches"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003c= 15.2(5)EA.fc4",
                "product": {
                  "name": "Allen-Bradley Stratix 8000 Modular Managed Ethernet Switche: All Versions 15.2(5)EA.fc4 and earliers",
                  "product_id": "CSAFPID-0004"
                }
              }
            ],
            "category": "product_name",
            "name": "Allen-Bradley Stratix 8000 Modular Managed Ethernet Switche"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003c= 15.2(5)EA.fc4",
                "product": {
                  "name": "Allen-Bradley Stratix 5700 and ArmorStratix\u00e2\u201e\u00a2 5700 Industrial Managed Ethernet Switches: All Versions 15.2(5)EA.fc4 and earlier",
                  "product_id": "CSAFPID-0005"
                }
              }
            ],
            "category": "product_name",
            "name": "Allen-Bradley Stratix 5700 and ArmorStratix\u00e2\u201e\u00a2 5700 Industrial Managed Ethernet Switches"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003c= 15.2(5)EA.fc4",
                "product": {
                  "name": "Allen-Bradley Stratix 5400 Industrial Ethernet Switches: All Versions 15.2(5)EA.fc4 and earlier",
                  "product_id": "CSAFPID-0006"
                }
              }
            ],
            "category": "product_name",
            "name": "Allen-Bradley Stratix 5400 Industrial Ethernet Switches"
          }
        ],
        "category": "vendor",
        "name": "Rockwell Automation"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2017-6736",
      "cwe": {
        "id": "CWE-119",
        "name": "Improper Restriction of Operations within the Bounds of a Memory Buffer"
      },
      "notes": [
        {
          "category": "summary",
          "text": "Cisco Systems, Inc. has identified multiple SNMP remote code execution vulnerabilities in Cisco IOS and IOS XE Software affecting version of Allen-Bradley Stratix and ArmorStratix. To exploit these vulnerabilities via SNMP v2c or earlier, attacker must know the SNMP read-only community string for the affected system. To exploit these vulnerabilities in SNMP v3, an attacker must authenticate with user credentials. If exploited, this could allow a remote attacker to execute arbitrary code on the affected Stratix and ArmorStratix system.CVE-2017-6736, CVE-2017-6737, CVE-2017-6738, CVE-2017-6739, CVE-2017-6740, CVE-2017-6741, CVE-2017-6742, CVE-2017-6743 and CVE-2017-6744 have been assigned to these vulnerabilities. A CVSS v3 base score of 8.8 has been assigned; the CVSS vector string is (AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H).",
          "title": "Vulnerability Summary"
        }
      ],
      "product_status": {
        "known_affected": [
          "CSAFPID-0001",
          "CSAFPID-0002",
          "CSAFPID-0003",
          "CSAFPID-0004",
          "CSAFPID-0005",
          "CSAFPID-0006"
        ]
      },
      "references": [
        {
          "category": "external",
          "summary": "cve.mitre.org",
          "url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-6736"
        },
        {
          "category": "external",
          "summary": "cve.mitre.org",
          "url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-6737"
        },
        {
          "category": "external",
          "summary": "cve.mitre.org",
          "url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-6738"
        },
        {
          "category": "external",
          "summary": "cve.mitre.org",
          "url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-6739"
        },
        {
          "category": "external",
          "summary": "cve.mitre.org",
          "url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-6740"
        },
        {
          "category": "external",
          "summary": "cve.mitre.org",
          "url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-6741"
        },
        {
          "category": "external",
          "summary": "cve.mitre.org",
          "url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-6742"
        },
        {
          "category": "external",
          "summary": "cve.mitre.org",
          "url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-6743"
        },
        {
          "category": "external",
          "summary": "cve.mitre.org",
          "url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-6744"
        },
        {
          "category": "external",
          "summary": "www.first.org",
          "url": "https://www.first.org/cvss/calculator/3.0#CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"
        }
      ],
      "remediations": [
        {
          "category": "mitigation",
          "details": "According to Rockwell Automation, multiple Cisco Systems, Inc. vulnerabilities in the Simple Network Management Protocol (SNMP) subsystem of Cisco IO and IOS XE software have been identified which affect certain products in the Allen-Bradley Stratix and ArmorStratix product lines.",
          "product_ids": [
            "CSAFPID-0001",
            "CSAFPID-0002",
            "CSAFPID-0003",
            "CSAFPID-0004",
            "CSAFPID-0005",
            "CSAFPID-0006"
          ]
        },
        {
          "category": "mitigation",
          "details": "For more information about the SNMP vulnerabilities identified by Cisco, see their advisory ",
          "product_ids": [
            "CSAFPID-0001",
            "CSAFPID-0002",
            "CSAFPID-0003",
            "CSAFPID-0004",
            "CSAFPID-0005",
            "CSAFPID-0006"
          ],
          "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170629-snmp"
        },
        {
          "category": "mitigation",
          "details": "Rockwell Automation recommends users of affected products consult the suggestions below and, when possible, employ multiple strategies to mitigate their risk",
          "product_ids": [
            "CSAFPID-0001",
            "CSAFPID-0002",
            "CSAFPID-0003",
            "CSAFPID-0004",
            "CSAFPID-0005",
            "CSAFPID-0006"
          ]
        },
        {
          "category": "mitigation",
          "details": "For the Stratix 8300 Product Family, Catalog Numbers 1783-RMS, Rockwell Automation suggests updating to v15.2(4a)EA5 or later. ",
          "product_ids": [
            "CSAFPID-0001",
            "CSAFPID-0002",
            "CSAFPID-0003",
            "CSAFPID-0004",
            "CSAFPID-0005",
            "CSAFPID-0006"
          ],
          "url": "https://compatibility.rockwellautomation.com/Pages/MultiProductDownload.aspx?famID=15"
        },
        {
          "category": "mitigation",
          "details": "Rockwell Automation has provided interim compensating controls for the remaining Allen-Bradley Stratix and ArmorStratix switches to help reduce the risk of exploitation of these vulnerabilities. Rockwell Automation encourages users to evaluate the compensating controls provided below and apply the possible mitigations.",
          "product_ids": [
            "CSAFPID-0001",
            "CSAFPID-0002",
            "CSAFPID-0003",
            "CSAFPID-0004",
            "CSAFPID-0005",
            "CSAFPID-0006"
          ]
        },
        {
          "category": "mitigation",
          "details": "Disable the following Management Information Bases (MIBs) on a device, if they are installed/active on the Stratix device",
          "product_ids": [
            "CSAFPID-0001",
            "CSAFPID-0002",
            "CSAFPID-0003",
            "CSAFPID-0004",
            "CSAFPID-0005",
            "CSAFPID-0006"
          ]
        },
        {
          "category": "mitigation",
          "details": "Stratix 8000, 8300, 5700, 5400, 5410: CISCO-MAC-AUTH-BYPASS-MIB",
          "product_ids": [
            "CSAFPID-0001",
            "CSAFPID-0002",
            "CSAFPID-0003",
            "CSAFPID-0004",
            "CSAFPID-0005",
            "CSAFPID-0006"
          ]
        },
        {
          "category": "mitigation",
          "details": "Stratix 5900: ADSL-LINE-MIB",
          "product_ids": [
            "CSAFPID-0001",
            "CSAFPID-0002",
            "CSAFPID-0003",
            "CSAFPID-0004",
            "CSAFPID-0005",
            "CSAFPID-0006"
          ]
        },
        {
          "category": "mitigation",
          "details": "Stratix 5900: CISCO-ADSL-DMT-LINE-MIB",
          "product_ids": [
            "CSAFPID-0001",
            "CSAFPID-0002",
            "CSAFPID-0003",
            "CSAFPID-0004",
            "CSAFPID-0005",
            "CSAFPID-0006"
          ]
        },
        {
          "category": "mitigation",
          "details": "Stratix 5900: CISCO-BSTUN-MIB",
          "product_ids": [
            "CSAFPID-0001",
            "CSAFPID-0002",
            "CSAFPID-0003",
            "CSAFPID-0004",
            "CSAFPID-0005",
            "CSAFPID-0006"
          ]
        },
        {
          "category": "mitigation",
          "details": "Stratix 5900: CISCO-MAC-AUTH-BYPASS-MIB",
          "product_ids": [
            "CSAFPID-0001",
            "CSAFPID-0002",
            "CSAFPID-0003",
            "CSAFPID-0004",
            "CSAFPID-0005",
            "CSAFPID-0006"
          ]
        },
        {
          "category": "mitigation",
          "details": "Stratix 5900: CISCO-VOICE-DNIS-MIB",
          "product_ids": [
            "CSAFPID-0001",
            "CSAFPID-0002",
            "CSAFPID-0003",
            "CSAFPID-0004",
            "CSAFPID-0005",
            "CSAFPID-0006"
          ]
        },
        {
          "category": "mitigation",
          "details": "Details on how to use the Command Line Interface to disable or limit access to SNMP or individual MIBs can be found at Knowledgebase Article ID 1055391. A login is required to view the article.",
          "product_ids": [
            "CSAFPID-0001",
            "CSAFPID-0002",
            "CSAFPID-0003",
            "CSAFPID-0004",
            "CSAFPID-0005",
            "CSAFPID-0006"
          ],
          "url": "https://rockwellautomation.custhelp.com/app/answers/detail/a_id/55484https:/rockwellautomation.custhelp.com/app/answers/detail/a_id/1055391"
        },
        {
          "category": "mitigation",
          "details": "Note: The Stratix device may not have all of the MIBs installed/active.",
          "product_ids": [
            "CSAFPID-0001",
            "CSAFPID-0002",
            "CSAFPID-0003",
            "CSAFPID-0004",
            "CSAFPID-0005",
            "CSAFPID-0006"
          ]
        },
        {
          "category": "mitigation",
          "details": "If SNMP is required, use strong SNMP v3 credentials since this attack requires authentication.",
          "product_ids": [
            "CSAFPID-0001",
            "CSAFPID-0002",
            "CSAFPID-0003",
            "CSAFPID-0004",
            "CSAFPID-0005",
            "CSAFPID-0006"
          ]
        },
        {
          "category": "mitigation",
          "details": "Cisco Talos, Cisco\u0027s threat intelligence organization, has created the following Snort rules (SIDs): 43424, 43425, 43426, 43427, 43428, 43429, 43430, 43431, 43432 to detect exploits utilizing this vulnerability, which can be used on Stratix 5950 Security Appliances positioned appropriately within the network architecture to provide enhanced visibility. The Snort rules (SIDs) are enabled following curated rule sets - \u201cBalanced Security and Connectivity\u201d, \u201cConnectivity over Security,\u201d and \u201cSecure over Connectivity.\u201d",
          "product_ids": [
            "CSAFPID-0001",
            "CSAFPID-0002",
            "CSAFPID-0003",
            "CSAFPID-0004",
            "CSAFPID-0005",
            "CSAFPID-0006"
          ]
        },
        {
          "category": "mitigation",
          "details": "Use proper network infrastructure controls, such as firewalls, to help ensure that SNMP requests from unauthorized sources are blocked. Firewalls will not block requests from compromised but authorized sources.",
          "product_ids": [
            "CSAFPID-0001",
            "CSAFPID-0002",
            "CSAFPID-0003",
            "CSAFPID-0004",
            "CSAFPID-0005",
            "CSAFPID-0006"
          ]
        },
        {
          "category": "mitigation",
          "details": "As new versions of firmware are released to remediate this vulnerability, Rockwell Automation will provide mitigation updates in their advisory. For more information about these vulnerabilities, mitigation updates, and Rockwell Automation\u0027s general security guidelines, please see Rockwell Automation\u0027s security advisory found at the following link. A login is required to view the advisory.",
          "product_ids": [
            "CSAFPID-0001",
            "CSAFPID-0002",
            "CSAFPID-0003",
            "CSAFPID-0004",
            "CSAFPID-0005",
            "CSAFPID-0006"
          ],
          "url": "https://rockwellautomation.custhelp.com/app/answers/detail/a_id/1055133"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 8.8,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.0"
          },
          "products": [
            "CSAFPID-0001",
            "CSAFPID-0002",
            "CSAFPID-0003",
            "CSAFPID-0004",
            "CSAFPID-0005",
            "CSAFPID-0006"
          ]
        }
      ]
    }
  ]
}


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