CWE-434

Unrestricted Upload of File with Dangerous Type

The product allows the upload or transfer of dangerous file types that are automatically processed within its environment.

CVE-2021-33009 (GCVE-0-2021-33009)

Vulnerability from cvelistv5 – Published: 2022-05-13 15:19 – Updated: 2025-04-16 16:21
VLAI
Title
mySCADA myPRO Unrestricted Upload of File with Dangerous Type
Summary
mySCADA myPRO versions prior to 8.20.0 allows an unauthenticated remote attacker to upload arbitrary files to the file system.
CWE
  • CWE-434 - Unrestricted Upload of File with Dangerous Type
Assigner
References
Impacted products
Vendor Product Version
mySCADA myPRO Affected: unspecified , < 8.20.0 (custom)
Create a notification for this product.
Date Public
2021-08-05 00:00
Credits
Michael Heinzl reported these vulnerabilities to CISA.
Show details on NVD website

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CVE-2021-33698 (GCVE-0-2021-33698)

Vulnerability from cvelistv5 – Published: 2021-09-15 18:01 – Updated: 2024-08-03 23:58
VLAI
Summary
SAP Business One, version - 10.0, allows an attacker with business authorization to upload any files (including script files) without the proper file format validation.
CWE
  • CWE-434 - Unrestricted Upload of File
Assigner
sap
References
Impacted products
Vendor Product Version
SAP SE SAP Business One Affected: < 10.0
Create a notification for this product.
Show details on NVD website

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CVE-2021-34619 (GCVE-0-2021-34619)

Vulnerability from cvelistv5 – Published: 2021-07-21 11:09 – Updated: 2024-09-16 22:35
VLAI
Title
Cross-Site Request Forgery in WooCommerce Stock Manager WordPress Plugin
Summary
The WooCommerce Stock Manager WordPress plugin is vulnerable to Cross-Site Request Forgery leading to Arbitrary File Upload in versions up to, and including, 2.5.7 due to missing nonce and file validation in the /woocommerce-stock-manager/trunk/admin/views/import-export.php file.
CWE
  • CWE-352 - Cross-Site Request Forgery (CSRF)
  • CWE-434 - Unrestricted Upload of File with Dangerous Type
Assigner
References
Impacted products
Vendor Product Version
StoreApps WooCommerce Stock Manager Affected: 2.5.7 , ≤ 2.5.7 (custom)
Create a notification for this product.
Date Public
2021-06-14 00:00
Credits
Chloe Chamberland, Wordfence
Show details on NVD website

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CVE-2021-34623 (GCVE-0-2021-34623)

Vulnerability from cvelistv5 – Published: 2021-07-07 12:21 – Updated: 2024-10-15 19:06
VLAI
Title
ProfilePress 3.0 - 3.1.3 - Arbitrary File Upload in Image Uploader Component
Summary
A vulnerability in the image uploader component found in the ~/src/Classes/ImageUploader.php file of the ProfilePress WordPress plugin made it possible for users to upload arbitrary files during user registration or during profile updates. This issue affects versions 3.0.0 - 3.1.3. .
CWE
  • CWE-434 - Unrestricted Upload of File with Dangerous Type
Assigner
References
Impacted products
Vendor Product Version
ProfilePress ProfilePress Affected: 3.0.0 - 3.1.3
Create a notification for this product.
Date Public
2021-06-28 00:00
Credits
Chloe Chamberland, Wordfence
Show details on NVD website

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CVE-2021-34624 (GCVE-0-2021-34624)

Vulnerability from cvelistv5 – Published: 2021-07-07 12:21 – Updated: 2024-10-15 18:51
VLAI
Title
ProfilePress 3.0 - 3.1.3 - Arbitrary File Upload in File Uploader Component
Summary
A vulnerability in the file uploader component found in the ~/src/Classes/FileUploader.php file of the ProfilePress WordPress plugin made it possible for users to upload arbitrary files during user registration or during profile updates. This issue affects versions 3.0.0 - 3.1.3. .
CWE
  • CWE-434 - Unrestricted Upload of File with Dangerous Type
Assigner
References
Impacted products
Vendor Product Version
ProfilePress ProfilePress Affected: 3.0.0 - 3.1.3
Create a notification for this product.
Date Public
2021-06-28 00:00
Credits
Chloe Chamberland, Wordfence
Show details on NVD website

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CVE-2021-34995 (GCVE-0-2021-34995)

Vulnerability from cvelistv5 – Published: 2022-01-13 21:44 – Updated: 2024-08-04 00:26
VLAI
Summary
This vulnerability allows remote attackers to execute arbitrary code on affected installations of Commvault CommCell 11.22.22. Although authentication is required to exploit this vulnerability, the existing authentication mechanism can be bypassed. The specific flaw exists within the DownloadCenterUploadHandler class. The issue results from the lack of proper validation of user-supplied data, which can allow the upload of arbitrary files. An attacker can leverage this vulnerability to execute code in the context of NETWORK SERVICE. Was ZDI-CAN-13756.
CWE
  • CWE-434 - Unrestricted Upload of File with Dangerous Type
Assigner
zdi
References
Impacted products
Vendor Product Version
Commvault CommCell Affected: 11.22.22
Create a notification for this product.
Credits
Brandon Perry, Justin Kennedy and Steven Seeley of Source Incite
Show details on NVD website

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CVE-2021-34997 (GCVE-0-2021-34997)

Vulnerability from cvelistv5 – Published: 2022-01-13 21:44 – Updated: 2024-08-04 00:26
VLAI
Summary
This vulnerability allows remote attackers to execute arbitrary code on affected installations of Commvault CommCell 11.22.22. Although authentication is required to exploit this vulnerability, the existing authentication mechanism can be bypassed. The specific flaw exists within the AppStudioUploadHandler class. The issue results from the lack of proper validation of user-supplied data, which can allow the upload of arbitrary files. An attacker can leverage this vulnerability to execute code in the context of NETWORK SERVICE. Was ZDI-CAN-13894.
CWE
  • CWE-434 - Unrestricted Upload of File with Dangerous Type
Assigner
zdi
References
Impacted products
Vendor Product Version
Commvault CommCell Affected: 11.22.22
Create a notification for this product.
Credits
kpc
Show details on NVD website

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CVE-2021-35002 (GCVE-0-2021-35002)

Vulnerability from cvelistv5 – Published: 2024-05-07 22:54 – Updated: 2024-08-04 00:26
VLAI
Title
BMC Track-It! Unrestricted File Upload Remote Code Execution Vulnerability
Summary
BMC Track-It! Unrestricted File Upload Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of BMC Track-It!. Authentication is required to exploit this vulnerability. The specific flaw exists within the processing of email attachments. The issue results from the lack of proper validation of user-supplied data, which can allow the upload of arbitrary files. An attacker can leverage this vulnerability to execute code in the context of the service account. Was ZDI-CAN-14122.
CWE
  • CWE-434 - Unrestricted Upload of File with Dangerous Type
Assigner
zdi
References
Impacted products
Vendor Product Version
BMC Track-It! Affected: 20.21.01.102
Create a notification for this product.
Date Public
2022-01-06 13:20
Show details on NVD website

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CVE-2021-35963 (GCVE-0-2021-35963)

Vulnerability from cvelistv5 – Published: 2021-07-19 11:55 – Updated: 2024-09-17 01:41
VLAI
Title
Learningdigital.com, Inc. Orca HCM - Unrestricted Upload of File with Dangerous Type
Summary
The specific parameter of upload function of the Orca HCM digital learning platform does not filter file format, which allows remote unauthenticated attackers to upload files containing malicious script to execute RCE attacks.
CWE
  • CWE-434 - Unrestricted Upload of File with Dangerous Type
Assigner
References
Impacted products
Vendor Product Version
Learningdigital.com, Inc. Orca HCM Affected: unspecified , ≤ 10.0 (custom)
Create a notification for this product.
Date Public
2021-07-19 00:00
Show details on NVD website

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CVE-2021-37194 (GCVE-0-2021-37194)

Vulnerability from cvelistv5 – Published: 2022-02-09 15:16 – Updated: 2024-08-04 01:16
VLAI
Summary
A vulnerability has been identified in COMOS V10.2 (All versions only if web components are used), COMOS V10.3 (All versions < V10.3.3.3 only if web components are used), COMOS V10.4 (All versions < V10.4.1 only if web components are used). The COMOS Web component of COMOS allows to upload and store arbitrary files at the webserver. This could allow an attacker to store malicious files.
Severity
No CVSS data available.
CWE
  • CWE-434 - Unrestricted Upload of File with Dangerous Type
Assigner
References
Impacted products
Vendor Product Version
Siemens COMOS V10.2 Affected: All versions only if web components are used
Create a notification for this product.
Siemens COMOS V10.3 Affected: All versions < V10.3.3.3 only if web components are used
Create a notification for this product.
Siemens COMOS V10.4 Affected: All versions < V10.4.1 only if web components are used
Create a notification for this product.
Show details on NVD website

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            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "COMOS V10.2",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "All versions only if web components are used"
                          }
                        ]
                      }
                    },
                    {
                      "product_name": "COMOS V10.3",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "All versions \u003c V10.3.3.3 only if web components are used"
                          }
                        ]
                      }
                    },
                    {
                      "product_name": "COMOS V10.4",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "All versions \u003c V10.4.1 only if web components are used"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "Siemens"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "A vulnerability has been identified in COMOS V10.2 (All versions only if web components are used), COMOS V10.3 (All versions \u003c V10.3.3.3 only if web components are used), COMOS V10.4 (All versions \u003c V10.4.1 only if web components are used). The COMOS Web component of COMOS allows to upload and store arbitrary files at the webserver. This could allow an attacker to store malicious files."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "CWE-434: Unrestricted Upload of File with Dangerous Type"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://cert-portal.siemens.com/productcert/pdf/ssa-995338.pdf",
              "refsource": "MISC",
              "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-995338.pdf"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "cec7a2ec-15b4-4faf-bd53-b40f371f3a77",
    "assignerShortName": "siemens",
    "cveId": "CVE-2021-37194",
    "datePublished": "2022-02-09T15:16:48.000Z",
    "dateReserved": "2021-07-21T00:00:00.000Z",
    "dateUpdated": "2024-08-04T01:16:04.049Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Mitigation

Phase: Architecture and Design

Description:

  • Generate a new, unique filename for an uploaded file instead of using the user-supplied filename, so that no external input is used at all.[REF-422] [REF-423]
Mitigation ID: MIT-21

Phase: Architecture and Design

Strategy: Enforcement by Conversion

Description:

  • When the set of acceptable objects, such as filenames or URLs, is limited or known, create a mapping from a set of fixed input values (such as numeric IDs) to the actual filenames or URLs, and reject all other inputs.
Mitigation

Phase: Architecture and Design

Description:

  • Consider storing the uploaded files outside of the web document root entirely. Then, use other mechanisms to deliver the files dynamically. [REF-423]
Mitigation ID: MIT-5

Phase: Implementation

Strategy: Input Validation

Description:

  • Assume all input is malicious. Use an "accept known good" input validation strategy, i.e., use a list of acceptable inputs that strictly conform to specifications. Reject any input that does not strictly conform to specifications, or transform it into something that does.
  • When performing input validation, consider all potentially relevant properties, including length, type of input, the full range of acceptable values, missing or extra inputs, syntax, consistency across related fields, and conformance to business rules. As an example of business rule logic, "boat" may be syntactically valid because it only contains alphanumeric characters, but it is not valid if the input is only expected to contain colors such as "red" or "blue."
  • Do not rely exclusively on looking for malicious or malformed inputs. This is likely to miss at least one undesirable input, especially if the code's environment changes. This can give attackers enough room to bypass the intended validation. However, denylists can be useful for detecting potential attacks or determining which inputs are so malformed that they should be rejected outright.
  • For example, limiting filenames to alphanumeric characters can help to restrict the introduction of unintended file extensions.
Mitigation

Phase: Architecture and Design

Description:

  • Define a very limited set of allowable extensions and only generate filenames that end in these extensions. Consider the possibility of XSS (CWE-79) before allowing .html or .htm file types.
Mitigation

Phase: Implementation

Strategy: Input Validation

Description:

  • Ensure that only one extension is used in the filename. Some web servers, including some versions of Apache, may process files based on inner extensions so that "filename.php.gif" is fed to the PHP interpreter.[REF-422] [REF-423]
Mitigation

Phase: Implementation

Description:

  • When running on a web server that supports case-insensitive filenames, perform case-insensitive evaluations of the extensions that are provided.
Mitigation ID: MIT-15

Phase: Architecture and Design

Description:

  • For any security checks that are performed on the client side, ensure that these checks are duplicated on the server side, in order to avoid CWE-602. Attackers can bypass the client-side checks by modifying values after the checks have been performed, or by changing the client to remove the client-side checks entirely. Then, these modified values would be submitted to the server.
Mitigation

Phase: Implementation

Description:

  • Do not rely exclusively on sanity checks of file contents to ensure that the file is of the expected type and size. It may be possible for an attacker to hide code in some file segments that will still be executed by the server. For example, GIF images may contain a free-form comments field.
Mitigation

Phase: Implementation

Description:

  • Do not rely exclusively on the MIME content type or filename attribute when determining how to render a file. Validating the MIME content type and ensuring that it matches the extension is only a partial solution.
Mitigation ID: MIT-17

Phases: Architecture and Design, Operation

Strategy: Environment Hardening

Description:

  • Run your code using the lowest privileges that are required to accomplish the necessary tasks [REF-76]. If possible, create isolated accounts with limited privileges that are only used for a single task. That way, a successful attack will not immediately give the attacker access to the rest of the software or its environment. For example, database applications rarely need to run as the database administrator, especially in day-to-day operations.
Mitigation ID: MIT-22

Phases: Architecture and Design, Operation

Strategy: Sandbox or Jail

Description:

  • Run the code in a "jail" or similar sandbox environment that enforces strict boundaries between the process and the operating system. This may effectively restrict which files can be accessed in a particular directory or which commands can be executed by the software.
  • OS-level examples include the Unix chroot jail, AppArmor, and SELinux. In general, managed code may provide some protection. For example, java.io.FilePermission in the Java SecurityManager allows the software to specify restrictions on file operations.
  • This may not be a feasible solution, and it only limits the impact to the operating system; the rest of the application may still be subject to compromise.
  • Be careful to avoid CWE-243 and other weaknesses related to jails.
CAPEC-1: Accessing Functionality Not Properly Constrained by ACLs

In applications, particularly web applications, access to functionality is mitigated by an authorization framework. This framework maps Access Control Lists (ACLs) to elements of the application's functionality; particularly URL's for web apps. In the case that the administrator failed to specify an ACL for a particular element, an attacker may be able to access it with impunity. An attacker with the ability to access functionality not properly constrained by ACLs can obtain sensitive information and possibly compromise the entire application. Such an attacker can access resources that must be available only to users at a higher privilege level, can access management sections of the application, or can run queries for data that they otherwise not supposed to.

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