Vulnerability GHSA-4grx-2x9w-596c

Medium Risk
MEDIUM RISK
CVSS Score: 5.9
Score Range: 4.0–6.9
Medium severity vulnerabilities (CVSS 4.0–6.9). Important issues that meaningfully reduce security confidence.
2 years ago
November 28, 2023 at 11:28 PM UTC
Marvin Attack: potential key recovery through timing sidechannels
<=0.9.6
<=0.9.6

Summary

Marvin Attack: potential key recovery through timing sidechannels

Details

The Marvin Attack is a timing sidechannel vulnerability which allows performing RSA decryption and signing operations as an attacker with the ability to observe only the time of the decryption operation performed withthe private key.

A recent survey of RSA implementations found that the Rust rsa crate is one of many implementations vulnerable to this attack.

No fixed version is available at this time.

Impacted packages

Timeline

Published
2 years ago
November 28, 2023 at 11:28 PM UTC
Last Modified
2 months ago
September 10, 2026 at 03:50 AM UTC