Mobile Security Framework (MobSF) is a pen-testing, malware analysis and security assessment framework capable of performing static and dynamic analysis. The mitigation for CVE-2024-29190 in valid_host() uses socket.gethostbyname(), which is vulnerable to SSRF abuse using DNS rebinding technique. This vulnerability is fixed in 4.3.2.
The web server receives a URL or similar request from an upstream component and retrieves the contents of this URL, but it does not sufficiently ensure that the request is being sent to the expected destination.