A vulnerability has been found in LayerBB 1.1.3 and classified as critical. Affected by this vulnerability is some unknown functionality of the file admin/general.php of the component File Upload. The manipulation of the argument custom_logo as part of a Filename 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:

LayerBB 1.1.3 allows admin/general.php arbitrary file upload because the custom_logo filename suffix is not restricted, and .php may be used.

The weakness was presented 07/19/2019. This vulnerability is known as CVE-2019-13973 since 07/19/2019. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1608.002 according to MITRE ATT&CK.

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

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

See VDB-138344 and VDB-138342 for similar entries.

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• LayerBB

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• 1.1.3

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• 🔍

CPE 2.2info

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