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-2021-21355 (GCVE-0-2021-21355)
Vulnerability from cvelistv5 – Published: 2021-03-23 01:50 – Updated: 2024-08-03 18:09
VLAI
Title
Unrestricted File Upload in Form Framework
Summary
TYPO3 is an open source PHP based web content management system. In TYPO3 before versions 8.7.40, 9.5.25, 10.4.14, 11.1.1, due to the lack of ensuring file extensions belong to configured allowed mime-types, attackers can upload arbitrary data with arbitrary file extensions - however, default _fileDenyPattern_ successfully blocked files like _.htaccess_ or _malicious.php_. Besides that, _UploadedFileReferenceConverter_ transforming uploaded files into proper FileReference domain model objects handles possible file uploads for other extensions as well - given those extensions use the Extbase MVC framework, make use of FileReference items in their direct or inherited domain model definitions and did not implement their own type converter. In case this scenario applies, _UploadedFileReferenceConverter_ accepts any file mime-type and persists files in the default location. In any way, uploaded files are placed in the default location _/fileadmin/user_upload/_, in most scenarios keeping the submitted filename - which allows attackers to directly reference files, or even correctly guess filenames used by other individuals, disclosing this information. No authentication is required to exploit this vulnerability. This is fixed in versions 8.7.40, 9.5.25, 10.4.14, 11.1.1.
Severity
8.6 (High)
CWE
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://packagist.org/packages/typo3/cms-form | x_refsource_MISC |
| https://github.com/TYPO3/TYPO3.CMS/security/advis… | x_refsource_CONFIRM |
| https://typo3.org/security/advisory/typo3-core-sa… | x_refsource_MISC |
Impacted products
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CVE-2021-21357 (GCVE-0-2021-21357)
Vulnerability from cvelistv5 – Published: 2021-03-23 01:50 – Updated: 2024-08-03 18:09
VLAI
Title
Broken Access Control in Form Framework
Summary
TYPO3 is an open source PHP based web content management system. In TYPO3 before versions 8.7.40, 9.5.25, 10.4.14, 11.1.1 due to improper input validation, attackers can by-pass restrictions of predefined options and submit arbitrary data in the Form Designer backend module of the Form Framework. In the default configuration of the Form Framework this allows attackers to explicitly allow arbitrary mime-types for file uploads - however, default _fileDenyPattern_ successfully blocked files like _.htaccess_ or _malicious.php_. Besides that, attackers can persist those files in any writable directory of the corresponding TYPO3 installation. A valid backend user account with access to the form module is needed to exploit this vulnerability. This is fixed in versions 8.7.40, 9.5.25, 10.4.14, 11.1.1.
Severity
8.3 (High)
CWE
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://packagist.org/packages/typo3/cms-form | x_refsource_MISC |
| https://github.com/TYPO3/TYPO3.CMS/security/advis… | x_refsource_CONFIRM |
| https://typo3.org/security/advisory/typo3-core-sa… | x_refsource_MISC |
Impacted products
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CVE-2021-22697 (GCVE-0-2021-22697)
Vulnerability from cvelistv5 – Published: 2021-01-25 17:09 – Updated: 2024-08-03 18:51
VLAI
Summary
A CWE-434: Unrestricted Upload of File with Dangerous Type vulnerability exists in the EcoStruxure Power Build - Rapsody software (V2.1.13 and prior) that could allow a use-after-free condition which could result in remote code execution when a malicious SSD file is uploaded and improperly parsed.
Severity
No CVSS data available.
CWE
- CWE-434 - Unrestricted Upload of File with Dangerous Type
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://www.se.com/ww/en/download/document/SEVD-2… | x_refsource_MISC |
| https://www.zerodayinitiative.com/advisories/ZDI-… | x_refsource_MISC |
| https://us-cert.cisa.gov/ics/advisories/icsa-21-012-01 | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| n/a | EcoStruxure Power Build - Rapsody software V2.1.13 and prior. |
Affected:
EcoStruxure Power Build - Rapsody software V2.1.13 and prior.
|
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CVE-2021-22698 (GCVE-0-2021-22698)
Vulnerability from cvelistv5 – Published: 2021-01-25 17:10 – Updated: 2024-08-03 18:51
VLAI
Summary
A CWE-434: Unrestricted Upload of File with Dangerous Type vulnerability exists in the EcoStruxure Power Build - Rapsody software (V2.1.13 and prior) that could allow a stack-based buffer overflow to occur which could result in remote code execution when a malicious SSD file is uploaded and improperly parsed.
Severity
No CVSS data available.
CWE
- CWE-434 - Unrestricted Upload of File with Dangerous Type
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://www.se.com/ww/en/download/document/SEVD-2… | x_refsource_MISC |
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| https://us-cert.cisa.gov/ics/advisories/icsa-21-012-01 | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| n/a | EcoStruxure Power Build - Rapsody software V2.1.13 and prior. |
Affected:
EcoStruxure Power Build - Rapsody software V2.1.13 and prior.
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CVE-2021-22803 (GCVE-0-2021-22803)
Vulnerability from cvelistv5 – Published: 2022-02-11 17:40 – Updated: 2024-08-03 18:51
VLAI
Summary
A CWE-434: Unrestricted Upload of File with Dangerous Type vulnerability exists that could lead to remote code execution through a number of paths, when an attacker, writes arbitrary files to folders in context of the DC module, by sending constructed messages on the network. Affected Product: Interactive Graphical SCADA System Data Collector (dc.exe) (V15.0.0.21243 and prior)
Severity
No CVSS data available.
CWE
- CWE-434 - Unrestricted Upload of File with Dangerous Type
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://download.schneider-electric.com/files?p_D… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| n/a | Interactive Graphical SCADA System Data Collector (dc.exe) (V15.0.0.21243 and prior) |
Affected:
Interactive Graphical SCADA System Data Collector (dc.exe) (V15.0.0.21243 and prior)
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CVE-2021-22937 (GCVE-0-2021-22937)
Vulnerability from cvelistv5 – Published: 2021-08-16 18:38 – Updated: 2024-08-03 18:58
VLAI
Summary
A vulnerability in Pulse Connect Secure before 9.1R12 could allow an authenticated administrator to perform a file write via a maliciously crafted archive uploaded in the administrator web interface.
Severity
No CVSS data available.
CWE
- CWE-434 - Unrestricted Upload of File with Dangerous Type (CWE-434)
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://kb.pulsesecure.net/articles/Pulse_Securit… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| n/a | Pulse Connect Secure |
Affected:
Fixed in 9.1R12
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CVE-2021-23280 (GCVE-0-2021-23280)
Vulnerability from cvelistv5 – Published: 2021-04-13 18:04 – Updated: 2024-09-16 17:24
VLAI
Title
Arbitrary File upload
Summary
Eaton Intelligent Power Manager (IPM) prior to 1.69 is vulnerable to authenticated arbitrary file upload vulnerability. IPM’s maps_srv.js allows an attacker to upload a malicious NodeJS file using uploadBackgroud action. An attacker can upload a malicious code or execute any command using a specially crafted packet to exploit the vulnerability.
Severity
CWE
- CWE-434 - Unrestricted Upload of File with Dangerous Type
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.eaton.com/content/dam/eaton/company/n… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Eaton | Intelligent Power manager (IPM) |
Affected:
unspecified , < 1.69
(custom)
|
Date Public
2021-04-01 00:00
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CVE-2021-24123 (GCVE-0-2021-24123)
Vulnerability from cvelistv5 – Published: 2021-03-18 14:57 – Updated: 2024-08-03 19:21
VLAI
Title
PowerPress < 8.3.8 - Authenticated Arbitrary File Upload leading to RCE
Summary
Arbitrary file upload in the PowerPress WordPress plugin, versions before 8.3.8, did not verify some of the uploaded feed images (such as the ones from Podcast Artwork section), allowing high privilege accounts (admin+) being able to upload arbitrary files, such as php, leading to RCE.
Severity
No CVSS data available.
CWE
- CWE-434 - Unrestricted Upload of File with Dangerous Type
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://wpscan.com/vulnerability/43aa30bf-eaf8-46… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Unknown | PowerPress |
Affected:
8.3.8 , < 8.3.8
(custom)
|
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CVE-2021-24145 (GCVE-0-2021-24145)
Vulnerability from cvelistv5 – Published: 2021-03-18 14:57 – Updated: 2024-08-03 19:21
VLAI
Title
Modern Events Calendar Lite < 5.16.5 - Authenticated Arbitrary File Upload leading to RCE
Summary
Arbitrary file upload in the Modern Events Calendar Lite WordPress plugin, versions before 5.16.5, did not properly check the imported file, allowing PHP ones to be uploaded by administrator by using the 'text/csv' content-type in the request.
Severity
No CVSS data available.
CWE
- CWE-434 - Unrestricted Upload of File with Dangerous Type
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://wpscan.com/vulnerability/f42cc26b-9aab-48… | x_refsource_MISC |
| http://packetstormsecurity.com/files/163346/WordP… | x_refsource_MISC |
| http://packetstormsecurity.com/files/163672/WordP… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Unknown | Modern Events Calendar Lite |
Affected:
5.16.5 , < 5.16.5
(custom)
|
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CVE-2021-24155 (GCVE-0-2021-24155)
Vulnerability from cvelistv5 – Published: 2021-04-05 18:27 – Updated: 2024-08-03 19:21
VLAI
Title
Backup Guard < 1.6.0 - Authenticated Arbitrary File Upload
Summary
The WordPress Backup and Migrate Plugin – Backup Guard WordPress plugin before 1.6.0 did not ensure that the imported files are of the SGBP format and extension, allowing high privilege users (admin+) to upload arbitrary files, including PHP ones, leading to RCE.
Severity
No CVSS data available.
CWE
- CWE-434 - Unrestricted Upload of File with Dangerous Type
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://wpscan.com/vulnerability/d442acac-4394-45… | x_refsource_CONFIRM |
| http://packetstormsecurity.com/files/163382/WordP… | x_refsource_MISC |
| http://packetstormsecurity.com/files/163623/WordP… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Unknown | WordPress Backup and Migrate Plugin – Backup Guard |
Affected:
1.6.0 , < 1.6.0
(custom)
|
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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.