Common Weakness Enumeration

CWE-434

Allowed

Unrestricted Upload of File with Dangerous Type

Abstraction: Base · Status: Draft

API response cwe.mitre.org

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

5971 vulnerabilities reference this CWE, most recent first.

CVE-2023-4220 (GCVE-0-2023-4220)

Vulnerability from cvelistv5 – Published: 2023-11-28 07:11 – Updated: 2024-08-02 07:17
VLAI
Title
Chamilo LMS Unauthenticated Big Upload File Remote Code Execution
Summary
Unrestricted file upload in big file upload functionality in `/main/inc/lib/javascript/bigupload/inc/bigUpload.php` in Chamilo LMS <= v1.11.24 allows unauthenticated attackers to perform stored cross-site scripting attacks and obtain remote code execution via uploading of web shell.
Severity
8.1 (High)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE
  • CWE-434 - Unrestricted Upload of File with Dangerous Type
Assigner
References
Impacted products
Vendor Product Version
Chamilo Chamilo Affected: 0 , ≤ 1.11.24 (semver)
Create a notification for this product.
Credits
Ngo Wei Lin (@Creastery) of STAR Labs SG Pte. Ltd. (@starlabs_sg)
Show details on NVD website
To clipboard 

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CVE-2023-4186 (GCVE-0-2023-4186)

Vulnerability from cvelistv5 – Published: 2023-08-06 13:31 – Updated: 2024-10-09 18:18
VLAI
Title
SourceCodester Pharmacy Management System manage_website.php unrestricted upload
Summary
A vulnerability was found in SourceCodester Pharmacy Management System 1.0. It has been declared as critical. Affected by this vulnerability is an unknown functionality of the file manage_website.php. 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-236221 was assigned to this vulnerability.
Severity
6.3 (Medium)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
6.3 (Medium)
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
URL Tags
https://vuldb.com/?id.236221 vdb-entrytechnical-description
https://vuldb.com/?ctiid.236221 signaturepermissions-required
https://github.com/E1even-321/Pharmacy-system/blo… broken-linkexploit
Impacted products
Credits
E1even-321 (VulDB User)
Show details on NVD website
To clipboard 

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CVE-2023-4159 (GCVE-0-2023-4159)

Vulnerability from cvelistv5 – Published: 2023-08-04 17:17 – Updated: 2024-10-09 19:14
VLAI
Title
Unrestricted Upload of File with Dangerous Type in omeka/omeka-s
Summary
Unrestricted Upload of File with Dangerous Type in GitHub repository omeka/omeka-s prior to 4.0.3.
Severity
9.9 (Critical)
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
SSVC
Exploitation: poc Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-434 - Unrestricted Upload of File with Dangerous Type
Assigner
References
Impacted products
Vendor Product Version
omeka omeka/omeka-s Affected: unspecified , < 4.0.3 (custom)
Create a notification for this product.
omeka omeka_s Affected: 0 , < 4.0.3 (custom)
    cpe:2.3:a:omeka:omeka_s:*:*:*:*:*:*:*:*
 Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2023-4122 (GCVE-0-2023-4122)

Vulnerability from cvelistv5 – Published: 2023-12-07 23:10 – Updated: 2025-05-28 13:51
VLAI
Title
Student Information System v1.0 - Insecure File Upload
Summary
Student Information System v1.0 is vulnerable to an Insecure File Upload vulnerability on the 'photo' parameter of my-profile page, allowing an authenticated attacker to obtain Remote Code Execution on the server hosting the application.
Severity
9.9 (Critical)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-434 - Unrestricted Upload of File with Dangerous Type
Assigner
References
Impacted products
Show details on NVD website
To clipboard 

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CVE-2023-4121 (GCVE-0-2023-4121)

Vulnerability from cvelistv5 – Published: 2023-08-03 09:31 – Updated: 2024-08-02 07:17
VLAI
Title
Byzoro Smart S85F Management Platform unrestricted upload
Summary
A vulnerability was found in Byzoro Smart S85F Management Platform up to 20230722. It has been classified as critical. Affected is an unknown function. 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-235968. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.
Severity
6.3 (Medium)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
6.3 (Medium)
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
CWE
Assigner
References
URL Tags
https://vuldb.com/?id.235968 vdb-entrytechnical-description
https://vuldb.com/?ctiid.235968 signaturepermissions-required
https://vuldb.com/?submit.185755 third-party-advisory
https://github.com/torres14852/cve/blob/main/upload.md exploit
Impacted products
Credits
torres14852 (VulDB User)
Show details on NVD website
To clipboard 

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CVE-2023-4097 (GCVE-0-2023-4097)

Vulnerability from cvelistv5 – Published: 2023-10-03 10:46 – Updated: 2024-09-19 20:02
VLAI
Title
Multiple vulnerabilities in IDM Sistemas QSige
Summary
The file upload functionality is not implemented correctly and allows uploading of any type of file. As a prerequisite, it is necessary for the attacker to log into the application with a valid username.
Severity
8.8 (High)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-434 - Unrestricted Upload of File with Dangerous Type
Assigner
References
Impacted products
Vendor Product Version
IDM Sistemas QSige QSige Affected: 3.0.0.0
Create a notification for this product.
Credits
Pablo Arias Rodríguez, Jorge Alberto Palma Reyes and Rubén Barberá Pérez.
Show details on NVD website
To clipboard 

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CVE-2023-3852 (GCVE-0-2023-3852)

Vulnerability from cvelistv5 – Published: 2023-07-23 22:00 – Updated: 2024-08-02 07:08
VLAI
Title
OpenRapid RapidCMS upload.php unrestricted upload
Summary
A vulnerability was found in OpenRapid RapidCMS up to 1.3.1. It has been declared as critical. This vulnerability affects unknown code of the file /admin/upload.php. The manipulation of the argument file leads to unrestricted upload. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. The name of the patch is 4dff387283060961c362d50105ff8da8ea40bcbe. It is recommended to apply a patch to fix this issue. The identifier of this vulnerability is VDB-235204.
Severity
4.7 (Medium)
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L
4.7 (Medium)
CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L
CWE
Assigner
References
Impacted products
Vendor Product Version
OpenRapid RapidCMS Affected: 1.3.0
Affected: 1.3.1
Create a notification for this product.
Credits
TXPH (VulDB User)
Show details on NVD website
To clipboard 

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CVE-2023-3836 (GCVE-0-2023-3836)

Vulnerability from cvelistv5 – Published: 2023-07-22 18:00 – Updated: 2024-08-02 07:08
VLAI
Title
Dahua Smart Park Management unrestricted upload
Summary
A vulnerability classified as critical was found in Dahua Smart Park Management up to 20230713. This vulnerability affects unknown code of the file /emap/devicePoint_addImgIco?hasSubsystem=true. The manipulation of the argument upload leads to unrestricted upload. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. VDB-235162 is the identifier assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.
Severity
6.3 (Medium)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
6.3 (Medium)
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
CWE
Assigner
References
URL Tags
https://vuldb.com/?id.235162 vdb-entrytechnical-description
https://vuldb.com/?ctiid.235162 signaturepermissions-required
https://github.com/qiuhuihk/cve/blob/main/upload.md exploit
Impacted products
Credits
qiuhui (VulDB User)
Show details on NVD website
To clipboard 

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CVE-2023-3806 (GCVE-0-2023-3806)

Vulnerability from cvelistv5 – Published: 2023-07-21 02:00 – Updated: 2024-10-24 14:33
VLAI
Title
SourceCodester House Rental and Property Listing System btn_functions.php unrestricted upload
Summary
A vulnerability, which was classified as critical, was found in SourceCodester House Rental and Property Listing System 1.0. Affected is an unknown function of the file btn_functions.php. The manipulation leads to unrestricted upload. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. VDB-235074 is the identifier assigned to this vulnerability.
Severity
6.3 (Medium)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
6.3 (Medium)
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
SSVC
Exploitation: none Automatable: yes Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
Assigner
References
Impacted products
Show details on NVD website
To clipboard 

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CVE-2023-3804 (GCVE-0-2023-3804)

Vulnerability from cvelistv5 – Published: 2023-07-21 01:00 – Updated: 2024-08-02 07:08
VLAI
Title
Chengdu Flash Flood Disaster Monitoring and Warning System FileHandler.ashx unrestricted upload
Summary
A vulnerability classified as problematic was found in Chengdu Flash Flood Disaster Monitoring and Warning System 2.0. This vulnerability affects unknown code of the file /Service/FileHandler.ashx. The manipulation of the argument userFile leads to unrestricted upload. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-235072. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.
Severity
5.5 (Medium)
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
5.5 (Medium)
CVSS:3.0/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
CWE
Assigner
References
URL Tags
https://vuldb.com/?id.235072 vdb-entrytechnical-description
https://vuldb.com/?ctiid.235072 signaturepermissions-required
https://github.com/yueying638/cve/blob/main/upload.md exploit
Impacted products
Credits
yueying (VulDB User)
Show details on NVD website
To clipboard 

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Mitigation
Architecture and Design

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 MIT-21
Architecture and Design

Strategy: Enforcement by Conversion

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
Architecture and Design

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

Mitigation MIT-5
Implementation

Strategy: Input Validation

  • 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
Architecture and Design

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
Implementation

Strategy: Input Validation

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
Implementation

When running on a web server that supports case-insensitive filenames, perform case-insensitive evaluations of the extensions that are provided.

Mitigation MIT-15
Architecture and Design

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
Implementation

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
Implementation

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 MIT-17
Architecture and Design Operation

Strategy: Environment Hardening

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 MIT-22
Architecture and Design Operation

Strategy: Sandbox or Jail

  • 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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