VDE-2022-042

Vulnerability from csaf_wagogmbhcokg - Published: 2022-10-17 08:00 - Updated: 2022-10-17 08:00
Summary
WAGO: Multiple products - Loss of MAC-Address-Filtering after reboot
Notes
Summary: The MAC address filter as part of the firewall has a flaw, which prevents the MAC address filter to be active after restart. In this way a remote attacker is able to circumvent the MAC address filtering after a reboot of a device.
Impact: Exploiting this flaw, an remote attacker is able to reach the network which should be protected by the MAC address filter.
Mitigation: Reactivate MAC Address Filter after restart to make sure MAC Address Filter is working. To test if the MAC Address Filter is working just add a test-client to the MAC Address Filter list, enable it and check if you can access the web-based-management via the test-client.
Remediation: We recommend all effected users to update to the firmware version listed below: ### **Serie WAGO PFC100/PFC200 and WAGO Compact Controller CC100** | Article Number | Fixed Firmware | |-----------------------|--------------------| | 750-81xx/xxx-xxx | 03.10.10(22) | | 750-8217/xxx-xxx | 03.10.10(22) | | 750-82xx/xxx-xxx | 03.10.10(22) | | 751-9301 | 04.01.10(23) | ### **Serie WAGO Touch Panel 600 and WAGO Edge Controller** | Article Number | Fixed Firmware | |-----------------------|--------------------| | 762-4xxx | 03.10.10(22) | | 762-5xxx | 03.10.10(22) | | 762-6xxx | 03.10.10(22) | | 752-8303/8000-002 | 03.10.10(22) |
CVE-2022-3281

WAGO Series PFC100/PFC200, Series Touch Panel 600, Compact Controller CC100 and Edge Controller in multiple versions are prone to a loss of MAC-Address-Filtering after reboot. This may allow an remote attacker to circumvent the reach the network that should be protected by the MAC address filter.

7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
CWE-440 - Expected Behavior Violation
Mitigation Reactivate MAC Address Filter after restart to make sure MAC Address Filter is working. To test if the MAC Address Filter is working just add a test-client to the MAC Address Filter list, enable it and check if you can access the web-based-management via the test-client.
Vendor Fix We recommend all effected users to update to the firmware version listed below: ### **Serie WAGO PFC100/PFC200 and WAGO Compact Controller CC100** | Article Number | Fixed Firmware | |-----------------------|--------------------| | 750-81xx/xxx-xxx | 03.10.10(22) | | 750-8217/xxx-xxx | 03.10.10(22) | | 750-82xx/xxx-xxx | 03.10.10(22) | | 751-9301 | 04.01.10(23) | ### **Serie WAGO Touch Panel 600 and WAGO Edge Controller** | Article Number | Fixed Firmware | |-----------------------|--------------------| | 762-4xxx | 03.10.10(22) | | 762-5xxx | 03.10.10(22) | | 762-6xxx | 03.10.10(22) | | 752-8303/8000-002 | 03.10.10(22) |
References
Acknowledgments
CERT@VDE certvde.com
To clipboard 

{
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    "acknowledgments": [
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        "summary": "coordination",
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      {
        "category": "summary",
        "text": "The MAC address filter as part of the firewall has a flaw, which prevents the MAC address filter to be active after restart. In this way a remote attacker is able to circumvent the MAC address filtering after a reboot of a device.",
        "title": "Summary"
      },
      {
        "category": "description",
        "text": "Exploiting this flaw, an remote attacker is able to reach the network which should be protected by the MAC address filter.",
        "title": "Impact"
      },
      {
        "category": "description",
        "text": "Reactivate MAC Address Filter after restart to make sure MAC Address Filter is working. To test if the MAC Address Filter is working just add a test-client to the MAC Address Filter list, enable it and check if you can access the web-based-management via the test-client.",
        "title": "Mitigation"
      },
      {
        "category": "description",
        "text": "We recommend all effected users to update to the firmware version listed below:\n\n### **Serie WAGO PFC100/PFC200 and WAGO Compact Controller CC100**\n\n| Article Number        | Fixed Firmware     |\n|-----------------------|--------------------|\n| 750-81xx/xxx-xxx      |  03.10.10(22)    |\n| 750-8217/xxx-xxx      |  03.10.10(22)    |\n| 750-82xx/xxx-xxx      |  03.10.10(22)    |\n| 751-9301              |  04.01.10(23)    |\n\n### **Serie WAGO Touch Panel 600 and WAGO Edge Controller**\n\n| Article Number        | Fixed Firmware     |\n|-----------------------|--------------------|\n| 762-4xxx              |  03.10.10(22)    |\n| 762-5xxx              |  03.10.10(22)    |\n| 762-6xxx              |  03.10.10(22)    |\n| 752-8303/8000-002     |  03.10.10(22)    |",
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        "summary": "CERT@VDE Security Advisories for WAGO GmbH \u0026 Co. KG",
        "url": "https://certvde.com/en/advisories/vendor/wago/"
      }
    ],
    "title": "WAGO: Multiple products - Loss of MAC-Address-Filtering after reboot",
    "tracking": {
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          "CSAFPID-31004",
          "CSAFPID-31005",
          "CSAFPID-31006"
        ],
        "summary": "Affected products."
      },
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      {
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      },
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          "product_id": "CSAFPID-32006"
        },
        "product_reference": "CSAFPID-22001",
        "relates_to_product_reference": "CSAFPID-11006"
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  },
  "vulnerabilities": [
    {
      "cve": "CVE-2022-3281",
      "cwe": {
        "id": "CWE-440",
        "name": "Expected Behavior Violation"
      },
      "notes": [
        {
          "category": "description",
          "text": "WAGO Series PFC100/PFC200, Series Touch Panel 600, Compact Controller CC100 and Edge Controller in multiple versions are prone to a loss of MAC-Address-Filtering after reboot. This may allow an remote attacker to circumvent the reach the network that should be protected by the MAC address filter.",
          "title": "Vulnerability Description"
        }
      ],
      "product_status": {
        "fixed": [
          "CSAFPID-32001",
          "CSAFPID-32002",
          "CSAFPID-32003",
          "CSAFPID-32004"
        ],
        "known_affected": [
          "CSAFPID-31001",
          "CSAFPID-31002",
          "CSAFPID-31003",
          "CSAFPID-31004"
        ]
      },
      "remediations": [
        {
          "category": "mitigation",
          "details": "Reactivate MAC Address Filter after restart to make sure MAC Address Filter is working. To test if the MAC Address Filter is working just add a test-client to the MAC Address Filter list, enable it and check if you can access the web-based-management via the test-client.",
          "group_ids": [
            "CSAFGID-0001"
          ]
        },
        {
          "category": "vendor_fix",
          "details": "We recommend all effected users to update to the firmware version listed below:\n\n### **Serie WAGO PFC100/PFC200 and WAGO Compact Controller CC100**\n\n| Article Number        | Fixed Firmware     |\n|-----------------------|--------------------|\n| 750-81xx/xxx-xxx      |  03.10.10(22)    |\n| 750-8217/xxx-xxx      |  03.10.10(22)    |\n| 750-82xx/xxx-xxx      |  03.10.10(22)    |\n| 751-9301              |  04.01.10(23)    |\n\n### **Serie WAGO Touch Panel 600 and WAGO Edge Controller**\n\n| Article Number        | Fixed Firmware     |\n|-----------------------|--------------------|\n| 762-4xxx              |  03.10.10(22)    |\n| 762-5xxx              |  03.10.10(22)    |\n| 762-6xxx              |  03.10.10(22)    |\n| 752-8303/8000-002     |  03.10.10(22)    |",
          "group_ids": [
            "CSAFGID-0001"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "environmentalScore": 7.5,
            "environmentalSeverity": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "temporalScore": 7.5,
            "temporalSeverity": "HIGH",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
            "version": "3.1"
          },
          "products": [
            "CSAFPID-31001",
            "CSAFPID-31002",
            "CSAFPID-31003",
            "CSAFPID-31004"
          ]
        }
      ],
      "title": "CVE-2022-3281"
    }
  ]
}


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Sightings

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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.