CVE-2025-0306 — Covert Timing Channel in Ruby2.7
Severity
7.4HIGHNVD
EPSS
0.4%
top 36.93%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedJan 9
Description
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 vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:NExploitability: 2.2 | Impact: 5.2