Weakness (CWE)
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.
How to prevent it (8 mitigations)
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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]
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Architecture and Design
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.
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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]
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Implementation
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.
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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.
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Implementation
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]
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Implementation
When running on a web server that supports case-insensitive filenames, perform case-insensitive evaluations of the extensions that are provided.
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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.
Source: MITRE CWE-434
3,441 results · Feed
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High 7.2
SiberianCMS - CWE-434: Unrestricted Upload of File with Dangerous Type - A malicious user with administrative privileges may be able to upload a dangerous filetype via an unspecified method
SiberianCMS - CWE-434: Unrestricted Upload of File with Dangerous Type - A malicious user with administrative privileges may be able to upload a dangerous filetype via an unspecified method
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Medium 6.3CVE-2023-5154 EPSS 15%
D-Link DAR-8000 changelogo.php unrestricted upload
** UNSUPPORTED WHEN ASSIGNED ** A vulnerability has been found in D-Link DAR-8000 up to 20151231 and classified as critical. This vulnerability affects unknown code of the file /sysmanage/changelogo.php. The manipulation of the argument file_upload leads to u…
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Medium 6.3CVE-2023-5150 EPSS 23%
D-Link DAR-7000/DAR-8000 web.php unrestricted upload
** UNSUPPORTED WHEN ASSIGNED ** A vulnerability classified as critical has been found in D-Link DAR-7000 and DAR-8000 up to 20151231. Affected is an unknown function of the file /useratte/web.php. The manipulation of the argument file_upload leads to unrestri…
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Medium 6.3CVE-2023-5149 EPSS 21%
D-Link DAR-7000 userattestation.php unrestricted upload
** UNSUPPORTED WHEN ASSIGNED ** A vulnerability was found in D-Link DAR-7000 up to 20151231. It has been rated as critical. This issue affects some unknown processing of the file /useratte/userattestation.php. The manipulation of the argument web_img leads to…
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Medium 6.3CVE-2023-5148 EPSS 31%
D-Link DAR-7000/DAR-8000 uploadfile.php unrestricted upload
** UNSUPPORTED WHEN ASSIGNED ** A vulnerability was found in D-Link DAR-7000 and DAR-8000 up to 20151231. It has been declared as critical. This vulnerability affects unknown code of the file /Tool/uploadfile.php. The manipulation of the argument file_upload …
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Medium 6.3CVE-2023-5147 EPSS 26%
D-Link DAR-7000 updateos.php unrestricted upload
** UNSUPPORTED WHEN ASSIGNED ** A vulnerability was found in D-Link DAR-7000 up to 20151231. It has been classified as critical. This affects an unknown part of the file /sysmanage/updateos.php. The manipulation of the argument 1_file_upload leads to unrestri…
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Medium 6.3CVE-2023-5146 EPSS 32%
D-Link DAR-7000/DAR-8000 updatelib.php unrestricted upload
** UNSUPPORTED WHEN ASSIGNED ** A vulnerability was found in D-Link DAR-7000 and DAR-8000 up to 20151231 and classified as critical. Affected by this issue is some unknown functionality of the file /sysmanage/updatelib.php. The manipulation of the argument fi…
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Medium 6.3CVE-2023-5145 EPSS 34%
D-Link DAR-7000 licence.php unrestricted upload
** UNSUPPORTED WHEN ASSIGNED ** A vulnerability has been found in D-Link DAR-7000 up to 20151231 and classified as critical. Affected by this vulnerability is an unknown functionality of the file /sysmanage/licence.php. The manipulation of the argument file_u…
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Medium 6.3
D-Link DAR-7000/DAR-8000 updateos.php unrestricted upload
** UNSUPPORTED WHEN ASSIGNED ** A vulnerability, which was classified as critical, was found in D-Link DAR-7000 and DAR-8000 up to 20151231. Affected is an unknown function of the file /sysmanage/updateos.php. The manipulation of the argument file_upload lead…
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High 7.5
DataEase has a vulnerability to obtain user cookies
DataEase is an open source data visualization and analysis tool. Prior to version 1.18.11, DataEase has a vulnerability that allows an attacker to to obtain user cookies. The program only uses the `ImageIO.read()` method to determine whether the file is an im…
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Low 3.6
Jenkins temporary uploaded file created with insecure permissions
In Jenkins 2.423 and earlier, LTS 2.414.1 and earlier, processing file uploads using the Stapler web framework creates temporary files in the default system temporary directory with the default permissions for newly created files, potentially allowing attacke…
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High 8.8
File Upload vulnerability in Dolibarr ERP CRM
File Upload vulnerability in Dolibarr ERP CRM v.17.0.1 and before allows a remote attacker to execute arbitrary code and obtain sensitive information via the extension filtering and renaming functions.
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High 7.8
Croc sender may send dangerous new files to receiver
An issue was discovered in Croc through 9.6.5. A sender may send dangerous new files to a receiver, such as executable content or a .ssh/authorized_keys file.
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Medium 6.3
SourceCodester My Food Recipe Image Upload index.php unrestricted upload
A vulnerability classified as problematic was found in SourceCodester My Food Recipe 1.0. This vulnerability affects unknown code of the file index.php of the component Image Upload Handler. The manipulation leads to unrestricted upload. The attack can be ini…
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Medium 6.3
Bettershop LaikeTui unrestricted upload
A vulnerability, which was classified as problematic, was found in Bettershop LaikeTui. This affects an unknown part of the file index.php?module=system&action=uploadImg. The manipulation of the argument imgFile leads to unrestricted upload. It is possible to…
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Medium 4.8
Gradio arbitrary file upload vulnerability
Gradio v3.27.0 was discovered to contain an arbitrary file upload vulnerability via the /upload interface.
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Medium 6.8
Stored XSS in cerberus attachments
The Gotham Cerberus service was found to have a stored cross-site scripting (XSS) vulnerability that could have allowed an attacker with access to Gotham to launch attacks against other users. This vulnerability is resolved in Cerberus 100.230704.0-27-g031dd5…
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Medium 5.7
A vulnerability has been identified in QMS Automotive (All versions < V12.39). The affected application allows users to…
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High 8.7
Insufficient File type validation in SAP BusinessObjects Business Intelligence Platform (Web Intelligence HTML interface)
Due to insufficient file type validation, SAP BusinessObjects Business Intelligence Platform (Web Intelligence HTML interface) - version 420, allows a report creator to upload files from local system into the report over the network. When uploading the image …
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Critical 9.8
DedeCMS 5.7.102 has a File Upload vulnerability via uploads/dede/module_make.php.
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Medium 6.1CVE-2023-41564 Public exploit
Cockpit CMS arbitrary file upload vulnerability
An arbitrary file upload vulnerability in the Upload Asset function of Cockpit CMS v2.6.3 allows attackers to execute arbitrary code via uploading a crafted .shtml file.
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High 7.2
Unrestricted File Upload in Bookreen
Unrestricted Upload of File with Dangerous Type vulnerability in Unisign Bookreen allows OS Command Injection. This issue affects Bookreen: before 3.0.0.
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Medium 6.3
Byzoro Smart S85F Management Platform updateos.php unrestricted upload
A vulnerability, which was classified as critical, has been found in Byzoro Smart S85F Management Platform up to 20230820. Affected by this issue is some unknown functionality of the file /sysmanage/updateos.php. The manipulation of the argument 1_file_upload…
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Critical 9.8
Forminator <= 1.24.6 - Unauthenticated Arbitrary File Upload
The Forminator plugin for WordPress is vulnerable to arbitrary file uploads due to file type validation occurring after a file has been uploaded to the server in the upload_post_image() function in versions up to, and including, 1.24.6. This makes it possible…
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Critical 9.8
Saho ADM100&ADM-100FP - Arbitrary File Upload
Saho’s attendance devices ADM100 and ADM-100FP has insufficient filtering for special characters and file type within their file uploading function. A unauthenticate remote attacker authenticated can upload and execute arbitrary files to perform arbitrary sys…
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Medium 6.3
Bettershop LaikeTui POST Request unrestricted upload
A vulnerability, which was classified as critical, has been found in Bettershop LaikeTui. Affected by this issue is some unknown functionality of the file index.php?module=api&action=user&m=upload of the component POST Request Handler. The manipulation leads …
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Critical 9.8
e-Excellence U-Office Force - Arbitrary File Upload
e-Excellence U-Office Force file uploading function does not restrict upload of file with dangerous type. An unauthenticated remote attacker without logging the service can exploit this vulnerability to upload arbitrary files to perform arbitrary command or d…
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Medium 6.4CVE-2023-24517 Public exploit
Remote Code Execution via Unrestricted File Upload
Unrestricted Upload of File with Dangerous Type vulnerability in the Pandora FMS File Manager component, allows an attacker to make make use of this issue ( unrestricted file upload ) to execute arbitrary system commands. This issue affects Pandora FMS v767 v…
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Medium 6.3
NBS&HappySoftWeChat unrestricted upload
A vulnerability, which was classified as critical, has been found in NBS&HappySoftWeChat 1.1.6. Affected by this issue is some unknown functionality. The manipulation leads to unrestricted upload. The attack may be launched remotely. The exploit has been disc…
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Unscored —
Extension - acymailing.com - RCE in AcyMailing component for Joomla 6.7.0-8.5.0
Unrestricted Upload of File with Dangerous Type vulnerability in AcyMailing component for Joomla. It allows remote code execution.
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Medium 6.8CVE-2023-32562 EPSS 46%
An unrestricted upload of file with dangerous type vulnerability exists in Avalanche versions 6.3.x and below that coul…
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Medium 6.3
SourceCodester Pharmacy Management System manage_website.php unrestricted upload
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 …
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High 8.8
bjrjk/LinuxASMCallGraph before commit 20dba06 allows attackers to cause a RCE on the server side via uploading a crafted ZIP file due to incorrect filtering rules of uploaded file
LinuxASMCallGraph is software for drawing the call graph of the programming code. Linux ASMCallGraph before commit 20dba06bd1a3cf260612d4f21547c25002121cd5 allows attackers to cause a remote code execution on the server side via uploading a crafted ZIP file d…
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Critical 9.9
Unrestricted Upload of File with Dangerous Type in omeka/omeka-s
Unrestricted Upload of File with Dangerous Type in GitHub repository omeka/omeka-s prior to 4.0.3.
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Medium 6.3
Byzoro Smart S85F Management Platform unrestricted upload
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 att…
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Medium 5.5
CLI allows upload or transfer files of dangerous types
Brocade Fabric OS before Brocade Fabric OS v9.1.1c, v9.2.0 contains a vulnerability in the command line that could allow a local user to dump files under user's home directory using grep.
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Critical 9.8
Sysaid - CWE-434: Unrestricted Upload of File with Dangerous Type
Sysaid - CWE-434: Unrestricted Upload of File with Dangerous Type - A malicious user with administrative privileges may be able to upload a dangerous filetype via an unspecified method.
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High 8.2CVE-2023-3486 EPSS 79%
PaperCut NG Unauthenticated File Upload
An authentication bypass exists in PaperCut NG versions 22.0.12 and prior that could allow a remote, unauthenticated attacker to upload arbitrary files to the PaperCut NG host’s file storage. This could exhaust system resources and prevent the service from op…
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Medium 4.7CVE-2023-3852 EPSS 25%
OpenRapid RapidCMS upload.php unrestricted upload
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 initiat…
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Medium 6.3
Dahua Smart Park Management unrestricted upload
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 up…