AIKIDO-2024-10487
rustls is vulnerable to Uncaught Exception
82
High Risk
This Affects:
rustlsTL;DR
A bug introduced in rustls version 0.23.13 causes a panic when the server receives a fragmented TLS ClientHello message. This issue specifically affects servers that use the rustls::server::Acceptor::accept() function to handle incoming connections. A fragmented ClientHello can trigger the panic due to improper handling of message boundaries, potentially leading to a Denial of Service (DoS) if an attacker deliberately sends such messages.
Who does this affect?
You are affected if you are using a version that falls within the vulnerable range.
Background info
rustls is vulnerable to Uncaught Exception in versions 0.23.13 - 0.23.17.
How to fix this
Upgrade the rustls library to the patch version.
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