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CVE-2024-32650

Date: April 19, 2024

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.

Language: C

Severity Score

Related Resources (12)

https://crates.io/crates/rustls
https://github.com/rustls/rustls/commit/6e938bcfe82a9da7a2e1cbf10b928c7eca26426e
https://github.com/rustls/rustls
https://rustsec.org/advisories/RUSTSEC-2024-0336.html
https://security-tracker.debian.org/tracker/CVE-2024-32650
https://github.com/rustls/rustls/commit/5374108df698e78c3e9ef8265cac311556be24af
https://nvd.nist.gov/vuln/detail/CVE-2024-32650
https://github.com/rustls/rustls/security/advisories/GHSA-6g7w-8wpp-frhj
https://github.com/rustls/rustls/commit/2123576840aa31043a31b0770e6572136fbe0c2d
https://github.com/rustls/rustls/commit/ebcb4782f23b4edf9b10a7065d9e8d4362439d9c
https://github.com/rustls/rustls/commit/f45664fbded03d833dffd806503d3c8becd1b71e
https://www.mend.io/vulnerability-database/CVE-2024-32650

Severity Score

Weakness Type (CWE)

Loop with Unreachable Exit Condition ('Infinite Loop')

CWE-835

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

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