October CMS up to 3.7.4 SVG File Parser unrestricted upload

Summaryinfo

A vulnerability, which was classified as critical, has been found in October CMS up to 3.7.4. Affected by this vulnerability is an unknown functionality of the component SVG File Parser. This manipulation causes unrestricted upload. This vulnerability appears as CVE-2024-51991. The attack may be initiated remotely. There is no available exploit. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in October CMS up to 3.7.4. It has been declared as critical. Affected by this vulnerability is an unknown functionality of the component SVG File Parser. The manipulation with an unknown input leads to a unrestricted upload vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

October is a Content Management System (CMS) and web platform. A vulnerability in versions prior to 3.7.5 affects authenticated administrators with sites that have the `media.clean_vectors` configuration enabled. This configuration will sanitize SVG files uploaded using the media manager. This vulnerability allows an authenticated user to bypass this protection by uploading it with a permitted extension (for example, .jpg or .png) and later modifying it to the .svg extension. This vulnerability assumes a trusted user will attack another trusted user and cannot be actively exploited without access to the administration panel and interaction from the other user. This issue has been patched in v3.7.5.

It is possible to read the advisory at github.com. This vulnerability is known as CVE-2024-51991 since 11/04/2024. The exploitation appears to be easy. The attack can be launched remotely. Additional levels of successful authentication are necessary for exploitation. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1608.002 according to MITRE ATT&CK.

Upgrading to version 3.7.5 eliminates this vulnerability.

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Productinfo

Type

• Content Management System

Vendor

• October

Name

• CMS

Version

• 3.7.0
• 3.7.1
• 3.7.2
• 3.7.3
• 3.7.4

License

• commercial

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