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GHSA-w3mp-6vrj-875g
No affected components available
Impact
The local file storage implementation does not restrict the size of uploaded files. An attacker could exploit this by uploading excessively large files, potentially causing the server to run out of space and return HTTP 500 error, resulting in a denial of service.
The severity of the vulnerability is mitigated by the fact that the application UI and the generic REST API are typically accessible only to authenticated users.
Patches
The problem has been fixed in CUBA 7.2.23.
Workarounds
A workaround for those who are unable to upgrade: Disable Files Endpoint in CUBA Application.
References
Files Functionality Vulnerabilities :: Jmix Documentation
Similar vulnerability in Jmix: DoS in the Local File Storage · Advisory · jmix-framework/jmix
The vulnerability can be exploited over the network without needing physical access. It is easy for an attacker to exploit this vulnerability. An attacker needs basic access or low-level privileges. No user interaction is needed for the attacker to exploit this vulnerability. The impact is confined to the system where the vulnerability exists. There is a high impact on the availability of the system.
Exploitation attempts have been detected. Elevated vigilance and prompt remediation are advised.
The exploit probability is very low. The vulnerability is unlikely to be exploited in the next 30 days.
We did not find any exploit available. Neither in GitHub repositories nor in the Exploit-Database.
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