Covert Timing Channel Affecting ruby3.1 package, versions <3.1.2-8.4


Severity

Recommended
0.0
high
0
10

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Threat Intelligence

EPSS
0.09% (41st percentile)

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  • Snyk IDSNYK-DEBIANUNSTABLE-RUBY31-8610259
  • published10 Jan 2025
  • disclosed9 Jan 2025

Introduced: 9 Jan 2025

NewCVE-2025-0306  (opens in a new tab)
CWE-385  (opens in a new tab)

How to fix?

Upgrade Debian:unstable ruby3.1 to version 3.1.2-8.4 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream ruby3.1 package and not the ruby3.1 package as distributed by Debian. See How to fix? for Debian:unstable relevant fixed versions and status.

A vulnerability was found in Ruby. The Ruby interpreter is vulnerable to the Marvin Attack. This attack allows the attacker to decrypt previously encrypted messages or forge signatures by exchanging a large number of messages with the vulnerable service.

CVSS Scores

version 3.1