CVE-2024-32650 (CVSS 7.5)

Description

Rustls is a modern TLS library written in Rust. `rustls::ConnectionCommon::complete_io` could fall into an infinite loop based on network input. When using a blocking rustls server, if a client send a `close_notify` message immediately after `client_hello`, the server's `complete_io` will get in an infinite loop. This vulnerability is fixed in 0.23.5, 0.22.4, and 0.21.11.

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CVSS v3.1 Score

7.5

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness Type (CWE)

CWE-835 CWE-835

References

Other References

https://github.com/rustls/rustls/commit/2123576840aa31043a31b0770e6572136fbe0c2d https://github.com/rustls/rustls/commit/6e938bcfe82a9da7a2e1cbf10b928c7eca26426e https://github.com/rustls/rustls/commit/f45664fbded03d833dffd806503d3c8becd1b71e https://github.com/rustls/rustls/security/advisories/GHSA-6g7w-8wpp-frhj https://github.com/rustls/rustls/commit/2123576840aa31043a31b0770e6572136fbe0c2d https://github.com/rustls/rustls/commit/6e938bcfe82a9da7a2e1cbf10b928c7eca26426e https://github.com/rustls/rustls/commit/f45664fbded03d833dffd806503d3c8becd1b71e https://github.com/rustls/rustls/security/advisories/GHSA-6g7w-8wpp-frhj

Frequently Asked Questions

What is CVE-2024-32650? +

Rustls is a modern TLS library written in Rust. `rustls::ConnectionCommon::complete_io` could fall into an infinite loop based on network input. When using a blocking rustls server, if a client send a `close_notify` message immediately after `client_hello`, the server's `complete_io` will get in an infinite loop. This vulnerability is fixed in 0.23.5, 0.22.4, and 0.21.11. It has a CVSS v3.1 base score of 7.5 (HIGH).

How severe is CVE-2024-32650? +

CVE-2024-32650 has a CVSS v3.1 score of 7.5 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

How do I check if I'm vulnerable to CVE-2024-32650? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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