CVE-2024-24806

Summary

CVE-2024-24806 is a vulnerability affecting the libuv library, which is used for asynchronous I/O with a focus on multi-platform support. The issue lies in the `uv_getaddrinfo` function, where hostnames are truncated to 256 characters before being passed to `getaddrinfo`. This can be exploited by attackers to craft malicious addresses, such as `0x00007f000001`, that are considered valid by `getaddrinfo`. As a result, users with long, vulnerable usernames on websites that allow `username.example.com` pages could potentially be exposed to Server Side Request Forgery (SSRF) attacks. The vulnerability arises due to the lack of a terminating null byte when the `hostname_ascii` variable exceeds 256 characters. The issue has been resolved in release version 1.48.0, and users are strongly advised to upgrade as there are currently no known workarounds.

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