VDE-2024-007

Vulnerability from csaf_wagogmbhcokg - Published: 2024-01-22 07:00 - Updated: 2024-01-22 07:00
Summary
WAGO: WIBU-SYSTEMS CodeMeter Runtime vulnerabilities in multiple products
Notes
Summary: A heap-based buffer overflow caused by libcurl and wrong whitespace character interpretation in Javascript, both used in CodeMeter Runtime affecting multiple products by WAGO. WIBU-SYSTEMS Codemeter is installed by default during e!COCKPIT and WAGO-I/O-Pro (CODESYS 2.3) installations.
Impact: WAGO controllers and IO-Devices are not affected by WIBU-SYSTEMS Codemeter vulnerabilities. However, due to compatibility reasons to the CODESYS Store, the e!COCKPIT and WAGO-I/O-Pro engineering software are bundled with a WIBU-SYSTEMS Codemeter installation.
Mitigation: Disable using a SOCKS5 proxy: The proxy environment variables HTTP_PROXY, HTTPS_PROXY and ALL_PROXY must not be set to socks5h:// Ensure that CodeMeter is not defined to use the SOCKS5 proxy. The variable ProxyServer must not be start with socks5h://. On Windows, the definition of that variable is in the registry (regedit) under HKLM/SOFTWARE/WIBU-SYSTEMS/CodeMeter/Server/CurrentVersion On Mac, the definition of that variable is in the file /Library/Preferences/com.wibu.CodeMeter.Server.ini On Linux, the definition of that variable is in the file /etc/wibu/CodeMeter/Server.ini On Solaris, the definition of that variable is in the file/etc/opt/CodeMeter/Server.ini For further details on risk mitigation and impact of this vulnerability, please refer to the official WIBU-SYSTEMS Product Security Advisories WIBU-231024-01 and WIBU-231017-01 at Website https://www.wibu.com/support/security-advisories.html. Until an update is available for e!COCKPIT and WAGO-I/O-Pro (CODESYS 2.3) we strongly encourage users to update WIBU-SYSTEMS Codemeter by installing the latest available stand-alone WIBU-SYSTEMS Codemeter Version.
CVE-2023-38545

This flaw makes curl overflow a heap based buffer in the SOCKS5 proxy handshake. When curl is asked to pass along the host name to the SOCKS5 proxy to allow that to resolve the address instead of it getting done by curl itself, the maximum length that host name can be is 255 bytes. If the host name is detected to be longer, curl switches to local name resolving and instead passes on the resolved address only. Due to this bug, the local variable that means "let the host resolve the name" could get the wrong value during a slow SOCKS5 handshake, and contrary to the intention, copy the too long host name to the target buffer instead of copying just the resolved address there. The target buffer being a heap based buffer, and the host name coming from the URL that curl has been told to operate with.

9.8 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE-787 - Out-of-bounds Write
Mitigation Disable using a SOCKS5 proxy: The proxy environment variables HTTP_PROXY, HTTPS_PROXY and ALL_PROXY must not be set to socks5h:// Ensure that CodeMeter is not defined to use the SOCKS5 proxy. The variable ProxyServer must not be start with socks5h://. On Windows, the definition of that variable is in the registry (regedit) under HKLM/SOFTWARE/WIBU-SYSTEMS/CodeMeter/Server/CurrentVersion On Mac, the definition of that variable is in the file /Library/Preferences/com.wibu.CodeMeter.Server.ini On Linux, the definition of that variable is in the file /etc/wibu/CodeMeter/Server.ini On Solaris, the definition of that variable is in the file/etc/opt/CodeMeter/Server.ini For further details on risk mitigation and impact of this vulnerability, please refer to the official WIBU-SYSTEMS Product Security Advisories WIBU-231024-01 and WIBU-231017-01 at Website https://www.wibu.com/support/security-advisories.html. Until an update is available for e!COCKPIT and WAGO-I/O-Pro (CODESYS 2.3) we strongly encourage users to update WIBU-SYSTEMS Codemeter by installing the latest available stand-alone WIBU-SYSTEMS Codemeter Version.
CVE-2023-24540

Not all valid JavaScript whitespace characters are considered to be whitespace. Templates containing whitespace characters outside of the character set "\t\n\f\r\u0020\u2028\u2029" in JavaScript contexts that also contain actions may not be properly sanitized during execution.

9.8 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE-77 - Improper Neutralization of Special Elements used in a Command ('Command Injection')
Mitigation Disable using a SOCKS5 proxy: The proxy environment variables HTTP_PROXY, HTTPS_PROXY and ALL_PROXY must not be set to socks5h:// Ensure that CodeMeter is not defined to use the SOCKS5 proxy. The variable ProxyServer must not be start with socks5h://. On Windows, the definition of that variable is in the registry (regedit) under HKLM/SOFTWARE/WIBU-SYSTEMS/CodeMeter/Server/CurrentVersion On Mac, the definition of that variable is in the file /Library/Preferences/com.wibu.CodeMeter.Server.ini On Linux, the definition of that variable is in the file /etc/wibu/CodeMeter/Server.ini On Solaris, the definition of that variable is in the file/etc/opt/CodeMeter/Server.ini For further details on risk mitigation and impact of this vulnerability, please refer to the official WIBU-SYSTEMS Product Security Advisories WIBU-231024-01 and WIBU-231017-01 at Website https://www.wibu.com/support/security-advisories.html. Until an update is available for e!COCKPIT and WAGO-I/O-Pro (CODESYS 2.3) we strongly encourage users to update WIBU-SYSTEMS Codemeter by installing the latest available stand-alone WIBU-SYSTEMS Codemeter Version.
References
Acknowledgments
CERT@VDE certvde.com
To clipboard 

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    "acknowledgments": [
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        "organization": "CERT@VDE",
        "summary": "coordination",
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      {
        "category": "summary",
        "text": "A heap-based buffer overflow caused by libcurl and wrong whitespace character interpretation in Javascript, both used in CodeMeter Runtime affecting multiple products by WAGO. WIBU-SYSTEMS Codemeter is installed by default during e!COCKPIT and WAGO-I/O-Pro (CODESYS 2.3) installations.",
        "title": "Summary"
      },
      {
        "category": "description",
        "text": "WAGO controllers and IO-Devices are not affected by WIBU-SYSTEMS Codemeter vulnerabilities. However, due to compatibility reasons to the CODESYS Store, the e!COCKPIT and WAGO-I/O-Pro engineering software are bundled with a WIBU-SYSTEMS Codemeter installation.",
        "title": "Impact"
      },
      {
        "category": "description",
        "text": "Disable using a SOCKS5 proxy:\n\nThe proxy environment variables HTTP_PROXY, HTTPS_PROXY and ALL_PROXY must not be set to socks5h://\nEnsure that CodeMeter is not defined to use the SOCKS5 proxy. The variable ProxyServer must not be start with socks5h://.\n\nOn Windows, the definition of that variable is in the registry (regedit) under HKLM/SOFTWARE/WIBU-SYSTEMS/CodeMeter/Server/CurrentVersion\nOn Mac, the definition of that variable is in the file /Library/Preferences/com.wibu.CodeMeter.Server.ini\nOn Linux, the definition of that variable is in the file /etc/wibu/CodeMeter/Server.ini\nOn Solaris, the definition of that variable is in the file/etc/opt/CodeMeter/Server.ini\n\n\n\nFor further details on risk mitigation and impact of this vulnerability, please refer to the official WIBU-SYSTEMS Product Security Advisories WIBU-231024-01 and WIBU-231017-01 at Website https://www.wibu.com/support/security-advisories.html.\n\nUntil an update is available for e!COCKPIT and WAGO-I/O-Pro (CODESYS 2.3) we strongly encourage users to update WIBU-SYSTEMS Codemeter by installing the latest available stand-alone WIBU-SYSTEMS Codemeter Version.",
        "title": "Mitigation"
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        "summary": "VDE-2024-007: WAGO: WIBU-SYSTEMS CodeMeter Runtime vulnerabilities in multiple products - CSAF",
        "url": "https://wago.csaf-tp.certvde.com/.well-known/csaf/white/2024/vde-2024-007.json"
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      {
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        "url": "https://www.wago.com/psirt"
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        "summary": "CERT@VDE Security Advisories for WAGO GmbH \u0026 Co. KG",
        "url": "https://certvde.com/en/advisories/vendor/wago/"
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    ],
    "title": "WAGO: WIBU-SYSTEMS CodeMeter Runtime vulnerabilities in multiple products",
    "tracking": {
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  "vulnerabilities": [
    {
      "cve": "CVE-2023-38545",
      "cwe": {
        "id": "CWE-787",
        "name": "Out-of-bounds Write"
      },
      "notes": [
        {
          "category": "description",
          "text": "This flaw makes curl overflow a heap based buffer in the SOCKS5 proxy\nhandshake.\n\nWhen curl is asked to pass along the host name to the SOCKS5 proxy to allow\nthat to resolve the address instead of it getting done by curl itself, the\nmaximum length that host name can be is 255 bytes.\n\nIf the host name is detected to be longer, curl switches to local name\nresolving and instead passes on the resolved address only. Due to this bug,\nthe local variable that means \"let the host resolve the name\" could get the\nwrong value during a slow SOCKS5 handshake, and contrary to the intention,\ncopy the too long host name to the target buffer instead of copying just the\nresolved address there.\n\nThe target buffer being a heap based buffer, and the host name coming from the\nURL that curl has been told to operate with.",
          "title": "Vulnerability Description"
        }
      ],
      "product_status": {
        "known_affected": [
          "CSAFPID-51001",
          "CSAFPID-51002"
        ]
      },
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        {
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          "details": "Disable using a SOCKS5 proxy:\n\nThe proxy environment variables HTTP_PROXY, HTTPS_PROXY and ALL_PROXY must not be set to socks5h://\nEnsure that CodeMeter is not defined to use the SOCKS5 proxy. The variable ProxyServer must not be start with socks5h://.\n\nOn Windows, the definition of that variable is in the registry (regedit) under HKLM/SOFTWARE/WIBU-SYSTEMS/CodeMeter/Server/CurrentVersion\nOn Mac, the definition of that variable is in the file /Library/Preferences/com.wibu.CodeMeter.Server.ini\nOn Linux, the definition of that variable is in the file /etc/wibu/CodeMeter/Server.ini\nOn Solaris, the definition of that variable is in the file/etc/opt/CodeMeter/Server.ini\n\n\n\nFor further details on risk mitigation and impact of this vulnerability, please refer to the official WIBU-SYSTEMS Product Security Advisories WIBU-231024-01 and WIBU-231017-01 at Website https://www.wibu.com/support/security-advisories.html.\n\nUntil an update is available for e!COCKPIT and WAGO-I/O-Pro (CODESYS 2.3) we strongly encourage users to update WIBU-SYSTEMS Codemeter by installing the latest available stand-alone WIBU-SYSTEMS Codemeter Version.",
          "group_ids": [
            "CSAFGID-0001"
          ]
        }
      ],
      "scores": [
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            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 9.8,
            "baseSeverity": "CRITICAL",
            "confidentialityImpact": "HIGH",
            "environmentalScore": 9.8,
            "environmentalSeverity": "CRITICAL",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "temporalScore": 9.8,
            "temporalSeverity": "CRITICAL",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "products": [
            "CSAFPID-51001",
            "CSAFPID-51002"
          ]
        }
      ],
      "title": "CVE-2023-38545"
    },
    {
      "cve": "CVE-2023-24540",
      "cwe": {
        "id": "CWE-77",
        "name": "Improper Neutralization of Special Elements used in a Command (\u0027Command Injection\u0027)"
      },
      "notes": [
        {
          "category": "description",
          "text": "Not all valid JavaScript whitespace characters are considered to be whitespace. Templates containing whitespace characters outside of the character set \"\\t\\n\\f\\r\\u0020\\u2028\\u2029\" in JavaScript contexts that also contain actions may not be properly sanitized during execution.",
          "title": "Vulnerability Description"
        }
      ],
      "product_status": {
        "known_affected": [
          "CSAFPID-51001",
          "CSAFPID-51002"
        ]
      },
      "remediations": [
        {
          "category": "mitigation",
          "details": "Disable using a SOCKS5 proxy:\n\nThe proxy environment variables HTTP_PROXY, HTTPS_PROXY and ALL_PROXY must not be set to socks5h://\nEnsure that CodeMeter is not defined to use the SOCKS5 proxy. The variable ProxyServer must not be start with socks5h://.\n\nOn Windows, the definition of that variable is in the registry (regedit) under HKLM/SOFTWARE/WIBU-SYSTEMS/CodeMeter/Server/CurrentVersion\nOn Mac, the definition of that variable is in the file /Library/Preferences/com.wibu.CodeMeter.Server.ini\nOn Linux, the definition of that variable is in the file /etc/wibu/CodeMeter/Server.ini\nOn Solaris, the definition of that variable is in the file/etc/opt/CodeMeter/Server.ini\n\n\n\nFor further details on risk mitigation and impact of this vulnerability, please refer to the official WIBU-SYSTEMS Product Security Advisories WIBU-231024-01 and WIBU-231017-01 at Website https://www.wibu.com/support/security-advisories.html.\n\nUntil an update is available for e!COCKPIT and WAGO-I/O-Pro (CODESYS 2.3) we strongly encourage users to update WIBU-SYSTEMS Codemeter by installing the latest available stand-alone WIBU-SYSTEMS Codemeter Version.",
          "group_ids": [
            "CSAFGID-0001"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 9.8,
            "baseSeverity": "CRITICAL",
            "confidentialityImpact": "HIGH",
            "environmentalScore": 9.8,
            "environmentalSeverity": "CRITICAL",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "temporalScore": 9.8,
            "temporalSeverity": "CRITICAL",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "products": [
            "CSAFPID-51001",
            "CSAFPID-51002"
          ]
        }
      ],
      "title": "CVE-2023-24540"
    }
  ]
}


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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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