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-2023-5489 (GCVE-0-2023-5489)

Vulnerability from cvelistv5 – Published: 2023-10-10 14:31 – Updated: 2024-08-29 19:30
VLAI
Title
Byzoro Smart S45F Multi-Service Secure Gateway Intelligent Management Platform uploadfile.php unrestricted upload
Summary
A vulnerability classified as critical has been found in Byzoro Smart S45F Multi-Service Secure Gateway Intelligent Management Platform up to 20230928. This affects an unknown part of the file /Tool/uploadfile.php. The manipulation of the argument file_upload leads to unrestricted upload. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. The identifier VDB-241641 was assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.
CWE
Assigner
References
URL Tags
https://vuldb.com/?id.241641 vdb-entrytechnical-description
https://vuldb.com/?ctiid.241641 signaturepermissions-required
https://vuldb.com/?submit.213946 third-party-advisory
https://github.com/llixixi/cve/blob/main/s45_uplo… exploit
Credits
llixixioo (VulDB User)
Show details on NVD website

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CVE-2023-5490 (GCVE-0-2023-5490)

Vulnerability from cvelistv5 – Published: 2023-10-10 15:00 – Updated: 2024-08-02 07:59
VLAI
Title
Byzoro Smart S45F Multi-Service Secure Gateway Intelligent Management Platform userattestation.php unrestricted upload
Summary
A vulnerability classified as critical was found in Byzoro Smart S45F Multi-Service Secure Gateway Intelligent Management Platform up to 20230928. This vulnerability affects unknown code of the file /useratte/userattestation.php. The manipulation of the argument web_img leads to unrestricted upload. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. VDB-241642 is the identifier assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.
CWE
Assigner
References
URL Tags
https://vuldb.com/?id.241642 vdb-entrytechnical-description
https://vuldb.com/?ctiid.241642 signaturepermissions-required
https://vuldb.com/?submit.213947 third-party-advisory
https://github.com/llixixi/cve/blob/main/s45_uplo… exploit
Credits
llixixioo (VulDB User)
Show details on NVD website

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CVE-2023-5491 (GCVE-0-2023-5491)

Vulnerability from cvelistv5 – Published: 2023-10-10 15:00 – Updated: 2025-06-16 17:03
VLAI
Title
Byzoro Smart S45F Multi-Service Secure Gateway Intelligent Management Platform updatelib.php unrestricted upload
Summary
A vulnerability, which was classified as critical, has been found in Byzoro Smart S45F Multi-Service Secure Gateway Intelligent Management Platform up to 20230928. This issue affects some unknown processing of the file /sysmanage/updatelib.php. The manipulation of the argument file_upload leads to unrestricted upload. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. The associated identifier of this vulnerability is VDB-241643. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.
CWE
Assigner
References
URL Tags
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https://vuldb.com/?ctiid.241643 signaturepermissions-required
https://vuldb.com/?submit.213948 third-party-advisory
https://github.com/llixixi/cve/blob/main/s45_uplo… exploitrelease-notes
Credits
llixixioo (VulDB User)
Show details on NVD website

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CVE-2023-5492 (GCVE-0-2023-5492)

Vulnerability from cvelistv5 – Published: 2023-10-10 15:31 – Updated: 2024-08-02 07:59
VLAI
Title
Byzoro Smart S45F Multi-Service Secure Gateway Intelligent Management Platform licence.php unrestricted upload
Summary
A vulnerability, which was classified as critical, was found in Byzoro Smart S45F Multi-Service Secure Gateway Intelligent Management Platform up to 20230928. Affected is an unknown function of the file /sysmanage/licence.php. The manipulation of the argument file_upload leads to unrestricted upload. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-241644. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.
CWE
Assigner
References
URL Tags
https://vuldb.com/?id.241644 vdb-entrytechnical-description
https://vuldb.com/?ctiid.241644 signaturepermissions-required
https://vuldb.com/?submit.213949 third-party-advisory
https://github.com/llixixi/cve/blob/main/s45_uplo… exploit
Credits
llixixioo (VulDB User)
Show details on NVD website

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CVE-2023-5493 (GCVE-0-2023-5493)

Vulnerability from cvelistv5 – Published: 2023-10-10 16:00 – Updated: 2024-08-02 07:59
VLAI
Title
Byzoro Smart S45F Multi-Service Secure Gateway Intelligent Management Platform web.php unrestricted upload
Summary
A vulnerability has been found in Byzoro Smart S45F Multi-Service Secure Gateway Intelligent Management Platform up to 20230928 and classified as critical. Affected by this vulnerability is an unknown functionality of the file /useratte/web.php. The manipulation of the argument file_upload leads to unrestricted upload. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. The identifier VDB-241645 was assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.
CWE
Assigner
References
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https://vuldb.com/?ctiid.241645 signaturepermissions-required
https://vuldb.com/?submit.213951 third-party-advisory
https://github.com/llixixi/cve/blob/main/s45_uplo… exploit
Credits
llixixioo (VulDB User)
Show details on NVD website

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CVE-2023-5524 (GCVE-0-2023-5524)

Vulnerability from cvelistv5 – Published: 2023-10-20 06:41 – Updated: 2026-02-23 08:54
VLAI
Title
M-Files Web Companion allows Remote Code Execution for some filetypes
Summary
Insufficient blacklisting in M-Files Web Companion before release version 23.10 and LTS Service Release Versions before 23.8 LTS SR1 allows Remote Code Execution via specific file types
CWE
  • CWE-434 - Unrestricted Upload of File with Dangerous Type
Impacted products
Vendor Product Version
M-Files Web Companion Affected: 23.3 , < 23.10 (custom)
Unaffected: 23.8 LTS SR1
Create a notification for this product.
Date Public
2023-10-20 12:35
Credits
Anton Keskisaari / Second Nature Security
Show details on NVD website

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CVE-2023-5636 (GCVE-0-2023-5636)

Vulnerability from cvelistv5 – Published: 2023-12-01 13:37 – Updated: 2026-05-20 14:17
VLAI
Title
Malicious File Upload in ArslanSoft's Education Portal
Summary
Unrestricted Upload of File with Dangerous Type vulnerability in ArslanSoft Education Portal allows Command Injection. This issue affects Education Portal: before v1.1.
CWE
  • CWE-434 - Unrestricted Upload of File with Dangerous Type
Assigner
References
Impacted products
Vendor Product Version
ArslanSoft Education Portal Affected: 0 , < v1.1 (custom)
Create a notification for this product.
Date Public
2023-12-01 13:40
Credits
Ömer Kaan COŞKUN
Show details on NVD website

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CVE-2023-5637 (GCVE-0-2023-5637)

Vulnerability from cvelistv5 – Published: 2023-12-01 13:33 – Updated: 2026-05-20 14:10
VLAI
Title
Plaintext Storage of a Password in ArslanSoft's Education Portal
Summary
Unrestricted Upload of File with Dangerous Type vulnerability in ArslanSoft Education Portal allows Read Sensitive Strings Within an Executable. This issue affects Education Portal: before v1.1.
CWE
  • CWE-434 - Unrestricted Upload of File with Dangerous Type
Assigner
References
Impacted products
Vendor Product Version
ArslanSoft Education Portal Affected: 0 , < v1.1 (custom)
Create a notification for this product.
Date Public
2023-12-01 13:35
Credits
Ömer Kaan COŞKUN
Show details on NVD website

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CVE-2023-5790 (GCVE-0-2023-5790)

Vulnerability from cvelistv5 – Published: 2023-10-26 16:00 – Updated: 2024-09-17 13:25
VLAI
Title
SourceCodester File Manager App add-file.php unrestricted upload
Summary
A vulnerability classified as critical was found in SourceCodester File Manager App 1.0. Affected by this vulnerability is an unknown functionality of the file endpoint/add-file.php. The manipulation of the argument uploadedFileName leads to unrestricted upload. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. The associated identifier of this vulnerability is VDB-243595.
CWE
Assigner
References
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https://vuldb.com/?ctiid.243595 signaturepermissions-required
https://github.com/Yp1oneer/cve_hub/blob/main/Fil… exploit
Impacted products
Credits
Yp1oneer (VulDB User)
Show details on NVD website

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CVE-2023-5795 (GCVE-0-2023-5795)

Vulnerability from cvelistv5 – Published: 2023-10-26 17:31 – Updated: 2024-09-09 16:21
VLAI
Title
CodeAstro POS System Profile Picture profil unrestricted upload
Summary
A vulnerability was found in CodeAstro POS System 1.0. It has been declared as critical. Affected by this vulnerability is an unknown functionality of the file /profil of the component Profile Picture Handler. The manipulation leads to unrestricted upload. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. The identifier VDB-243601 was assigned to this vulnerability.
CWE
Assigner
References
Impacted products
Credits
w3bspl01t3r (VulDB User)
Show details on NVD website

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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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