5.9
CVSSv3

CVE-2023-49092

Published: 28/11/2023 Updated: 28/12/2023
CVSS v3 Base Score: 5.9 | Impact Score: 3.6 | Exploitability Score: 2.2
VMScore: 0

Vulnerability Summary

RustCrypto/RSA is a portable RSA implementation in pure Rust. Due to a non-constant-time implementation, information about the private key is leaked through timing information which is observable over the network. An attacker may be able to use that information to recover the key. There is currently no fix available. As a workaround, avoid using the RSA crate in settings where attackers are able to observe timing information, e.g. local use on a non-compromised computer.

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rustcrypto rsa

Vendor Advisories

Debian Bug report logs - #1057096 rust-rsa: CVE-2023-49092: RUSTSEC-2023-0071: Marvin Attack: potential key recovery through timing sidechannels Package: src:rust-rsa; Maintainer for src:rust-rsa is Debian Rust Maintainers <pkg-rust-maintainers@alioth-listsdebiannet>; Reported by: Salvatore Bonaccorso <carnil@debianorg& ...