Craft CMS up to 4.4.5 View.php doesTemplateExist Name unrestricted upload

Summaryinfo

A vulnerability was found in Craft CMS up to 4.4.5. It has been classified as problematic. Affected is the function doesTemplateExist of the file View.php. Performing a manipulation of the argument Name results in unrestricted upload. This vulnerability is reported as CVE-2023-32679. The attack is possible to be carried out remotely. No exploit exists. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability classified as problematic has been found in Craft CMS up to 4.4.5 (Content Management System). This affects the function doesTemplateExist of the file View.php. The manipulation of the argument name with an unknown input leads to a unrestricted upload vulnerability. CWE is classifying the issue as CWE-434. The product allows the attacker to upload or transfer files of dangerous types that can be automatically processed within the product's environment. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

Craft CMS is an open source content management system. In affected versions of Craft CMS an unrestricted file extension may lead to Remote Code Execution. If the name parameter value is not empty string('') in the View.php's doesTemplateExist() -> resolveTemplate() -> _resolveTemplateInternal() -> _resolveTemplate() function, it returns directly without extension verification, so that arbitrary extension files are rendered as twig templates. When attacker with admin privileges on a DEV or an improperly configured STG or PROD environment, they can exploit this vulnerability to remote code execution. Code execution may grant the attacker access to the host operating system. This issue has been addressed in version 4.4.6. Users are advised to upgrade. There are no known workarounds for this vulnerability.

The weakness was disclosed 05/20/2023 as GHSA-vqxf-r9ph-cc9c. The advisory is shared at github.com. This vulnerability is uniquely identified as CVE-2023-32679 since 05/11/2023. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1608.002 for this issue.

By approaching the search of inurl:View.php it is possible to find vulnerable targets with Google Hacking.

Upgrading to version 4.4.6 eliminates this vulnerability.

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Productinfo

Type

• Content Management System

Vendor

• Craft

Name

• CMS

Version

• 4.4.0
• 4.4.1
• 4.4.2
• 4.4.3
• 4.4.4
• 4.4.5

License

• free

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

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• 🔍
• 🔍

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