A vulnerability, which was classified as critical, has been found in 74CMS 3.28.0. Affected by this issue is the function sendCompanyLogo of the file /controller/company/Index.php#sendCompanyLogo of the component Company Logo Handler. The manipulation of the argument imgBase64 with an unknown input leads to a unrestricted upload vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality, integrity, and availability.

The advisory is shared for download at gist.github.com. This vulnerability is handled as CVE-2024-2561. The exploitation is known to be easy. The attack may be launched remotely. Technical details as well as a public exploit are known. The MITRE ATT&CK project declares the attack technique as T1608.002.

The exploit is available at gist.github.com. It is declared as proof-of-concept.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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• 74CMS

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• 3.28.0

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• 🔒

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Accepted

• Submit #294871: 74CMS 74CMS v3.28.0 File Upload (by Southseast)

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