ICSA-21-294-02

Vulnerability from csaf_cisa - Published: 2021-10-21 00:00 - Updated: 2021-10-21 00:00
Summary
Delta Electronics DIALink
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 these vulnerabilities could allow an attacker to access unauthorized information, remotely execute code, access the application directory and escalate privileges, take over the system where the software is installed, and modify the installation directory and upload malicious files.
Critical infrastructure sectors: Critical Manufacturing
Countries/areas deployed: Worldwide
Company headquarters location: Taiwan
Recommended Practices: CISA recommends users take defensive measures to minimize the risk of exploitation of this vulnerability. Specifically, users should:
Recommended Practices: CISA reminds organizations to perform proper impact analysis and risk assessment prior to deploying defensive measures. CISA also provides a section for control systems security recommended practices on the ICS webpage onus-cert.cisa.gov. 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 webpage on us-cert.cisa.gov 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 CISA for tracking and correlation against other incidents.
Recommended Practices: CISA also recommends users take the following measures to protect themselves from social engineering attacks:
Exploitability: No known public exploits specifically target these vulnerabilities.
CVE-2021-38418
8.8 (High)
CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE-319 - Cleartext Transmission of Sensitive Information
Vendor Fix Delta Electronics is aware of the vulnerabilities and is currently working on an update.
CVE-2021-38428
5.5 (Medium)
CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:N
CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Vendor Fix Delta Electronics is aware of the vulnerabilities and is currently working on an update.
CVE-2021-38488
5.5 (Medium)
CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:N
CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Vendor Fix Delta Electronics is aware of the vulnerabilities and is currently working on an update.
CVE-2021-38407
5.5 (Medium)
CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:N
CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Vendor Fix Delta Electronics is aware of the vulnerabilities and is currently working on an update.
CVE-2021-38403
5.5 (Medium)
CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:N
CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Vendor Fix Delta Electronics is aware of the vulnerabilities and is currently working on an update.
CVE-2021-38411
5.5 (Medium)
CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:N
CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Vendor Fix Delta Electronics is aware of the vulnerabilities and is currently working on an update.
CVE-2021-38424
5.9 (Medium)
CVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:L
CWE-1236 - Improper Neutralization of Formula Elements in a CSV File
Vendor Fix Delta Electronics is aware of the vulnerabilities and is currently working on an update.
CVE-2021-38422
7.8 (High)
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE-312 - Cleartext Storage of Sensitive Information
Vendor Fix Delta Electronics is aware of the vulnerabilities and is currently working on an update.
CVE-2021-38416
7.8 (High)
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE-427 - Uncontrolled Search Path Element
Vendor Fix Delta Electronics is aware of the vulnerabilities and is currently working on an update.
CVE-2021-38420
7.8 (High)
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE-276 - Incorrect Default Permissions
Vendor Fix Delta Electronics is aware of the vulnerabilities and is currently working on an update.
References
Acknowledgments
Michael Heinzl
To clipboard 

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        "name": "Cleartext Transmission of Sensitive Information"
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          "text": "The affected product runs by default on HTTP, which may allow an attacker to be positioned between the traffic and perform a machine-in-the-middle attack to access information without authorization.CVE-2021-38418 has been assigned to this vulnerability. A CVSS v3 base score of 8.8 has been calculated; the CVSS vector string is (AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).",
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      },
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          "category": "summary",
          "text": "The affected product is vulnerable to cross-site scripting because an authenticated attacker can inject arbitrary JavaScript code into the parameter name of the API schedule, which may allow an attacker to remotely execute code.CVE-2021-38428 has been assigned to this vulnerability. A CVSS v3 base score of 5.5 has been calculated; the CVSS vector string is (AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:N).",
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        "name": "Improper Neutralization of Input During Web Page Generation (\u0027Cross-site Scripting\u0027)"
      },
      "notes": [
        {
          "category": "summary",
          "text": "The affected product is vulnerable to cross-site scripting because an authenticated attacker can inject arbitrary JavaScript code into the parameter comment of the API events, which may allow an attacker to remotely execute code.CVE-2021-38488 has been assigned to this vulnerability. A CVSS v3 base score of 5.5 has been calculated; the CVSS vector string is (AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:N).",
          "title": "Vulnerability Summary"
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        "name": "Improper Neutralization of Input During Web Page Generation (\u0027Cross-site Scripting\u0027)"
      },
      "notes": [
        {
          "category": "summary",
          "text": "The affected product is vulnerable to cross-site scripting because an authenticated attacker can inject arbitrary JavaScript code into the parameter name of the API devices, which may allow an attacker to remotely execute code.CVE-2021-38407 has been assigned to this vulnerability. A CVSS v3 base score of 5.5 has been calculated; the CVSS vector string is (AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:N).",
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          "products": [
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      "cwe": {
        "id": "CWE-79",
        "name": "Improper Neutralization of Input During Web Page Generation (\u0027Cross-site Scripting\u0027)"
      },
      "notes": [
        {
          "category": "summary",
          "text": "The affected product is vulnerable to cross-site scripting because an authenticated attacker can inject arbitrary JavaScript code into the parameter supplier of the API maintenance, which may allow an attacker to remotely execute code.CVE-2021-38403 has been assigned to this vulnerability. A CVSS v3 base score of 5.5 has been calculated; the CVSS vector string is (AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:N).",
          "title": "Vulnerability Summary"
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          "url": "http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2021-38403"
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        {
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          "summary": "www.first.org",
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        "name": "Improper Neutralization of Input During Web Page Generation (\u0027Cross-site Scripting\u0027)"
      },
      "notes": [
        {
          "category": "summary",
          "text": "The affected product is vulnerable to cross-site scripting because an authenticated attacker can inject arbitrary JavaScript code into the parameter deviceName of the API modbusWriter-Reader, which may allow an attacker to remotely execute code.CVE-2021-38411 has been assigned to this vulnerability. A CVSS v3 base score of 5.5 has been calculated; the CVSS vector string is (AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:N).",
          "title": "Vulnerability Summary"
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            "version": "3.0"
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          "products": [
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      "cve": "CVE-2021-38424",
      "cwe": {
        "id": "CWE-1236",
        "name": "Improper Neutralization of Formula Elements in a CSV File"
      },
      "notes": [
        {
          "category": "summary",
          "text": "The tag interface of the affected product is vulnerable to an attacker injecting formulas into the tag data. Those formulas may then be executed when it is opened with a spreadsheet application.CVE-2021-38424 has been assigned to this vulnerability. A CVSS v3 base score of 5.9 has been calculated; the CVSS vector string is (AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:L).",
          "title": "Vulnerability Summary"
        }
      ],
      "product_status": {
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          "CSAFPID-0001"
        ]
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      "references": [
        {
          "category": "external",
          "summary": "web.nvd.nist.gov",
          "url": "http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2021-38424"
        },
        {
          "category": "external",
          "summary": "www.first.org",
          "url": "https://www.first.org/cvss/calculator/3.0#CVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:L"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "Delta Electronics is aware of the vulnerabilities and is currently working on an update.",
          "product_ids": [
            "CSAFPID-0001"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 5.9,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:L",
            "version": "3.0"
          },
          "products": [
            "CSAFPID-0001"
          ]
        }
      ]
    },
    {
      "cve": "CVE-2021-38422",
      "cwe": {
        "id": "CWE-312",
        "name": "Cleartext Storage of Sensitive Information"
      },
      "notes": [
        {
          "category": "summary",
          "text": "The affected product stores sensitive information in cleartext, which may allow an attacker to have extensive access to the application directory and escalate privileges.CVE-2021-38422 has been assigned to this vulnerability. A CVSS v3 base score of 7.8 has been calculated; the CVSS vector string is (AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H).",
          "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-2021-38422"
        },
        {
          "category": "external",
          "summary": "www.first.org",
          "url": "https://www.first.org/cvss/calculator/3.0#CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "Delta Electronics is aware of the vulnerabilities and is currently working on an update.",
          "product_ids": [
            "CSAFPID-0001"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 7.8,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.0"
          },
          "products": [
            "CSAFPID-0001"
          ]
        }
      ]
    },
    {
      "cve": "CVE-2021-38416",
      "cwe": {
        "id": "CWE-427",
        "name": "Uncontrolled Search Path Element"
      },
      "notes": [
        {
          "category": "summary",
          "text": "The affected product insecurely loads libraries, which may allow an attacker to use DLL hijacking and takeover the system where the software is installed.CVE-2021-38416 has been assigned to this vulnerability. A CVSS v3 base score of 7.8 has been calculated; the CVSS vector string is (AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H).",
          "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-2021-38416"
        },
        {
          "category": "external",
          "summary": "www.first.org",
          "url": "https://www.first.org/cvss/calculator/3.0#CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "Delta Electronics is aware of the vulnerabilities and is currently working on an update.",
          "product_ids": [
            "CSAFPID-0001"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 7.8,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.0"
          },
          "products": [
            "CSAFPID-0001"
          ]
        }
      ]
    },
    {
      "cve": "CVE-2021-38420",
      "cwe": {
        "id": "CWE-276",
        "name": "Incorrect Default Permissions"
      },
      "notes": [
        {
          "category": "summary",
          "text": "The affected product \u0027s default permissions give extensive permissions to low-privileged user accounts, which may allow an attacker to modify the installation directory and upload malicious files.CVE-2021-38420 has been assigned to this vulnerability. A CVSS v3 base score of 7.8 has been calculated; the CVSS vector string is (AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H).",
          "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-2021-38420"
        },
        {
          "category": "external",
          "summary": "www.first.org",
          "url": "https://www.first.org/cvss/calculator/3.0#CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "Delta Electronics is aware of the vulnerabilities and is currently working on an update.",
          "product_ids": [
            "CSAFPID-0001"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 7.8,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.0"
          },
          "products": [
            "CSAFPID-0001"
          ]
        }
      ]
    }
  ]
}


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Tags
Taxonomy of the tags.




Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

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.