CVE-2025-0306: Ruby: openssl: ruby marvin attack
First published: Tue Jan 07 2025(Updated: )
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.
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Ruby |
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Reference Links
- https://github.com/openssl/openssl/pull/13817
- https://access.redhat.com/errata/RHSA-2024:0500
- https://access.redhat.com/errata/RHSA-2023:7877
- https://access.redhat.com/errata/RHSA-2024:0154
- https://access.redhat.com/errata/RHSA-2024:0208
- https://bugzilla.redhat.com/show_bug.cgi?id=2336100
- https://access.redhat.com/security/cve/CVE-2025-0306
- https://security.netapp.com/advisory/ntap-20250221-0009/
Frequently Asked Questions
What is the severity of CVE-2025-0306?
CVE-2025-0306 is a high-severity vulnerability due to its ability to allow attackers to decrypt messages or forge signatures.
How does CVE-2025-0306 exploit the Ruby interpreter?
CVE-2025-0306 exploits the Ruby interpreter by enabling attackers to perform the Marvin Attack, exchanging numerous messages to compromise security.
Which versions of Ruby are affected by CVE-2025-0306?
CVE-2025-0306 affects all versions of Ruby that utilize the vulnerable interpreter without addressing the vulnerability.
What are the potential impacts of CVE-2025-0306?
The potential impacts of CVE-2025-0306 include unauthorized access to encrypted information and the ability to forge digital signatures.
How can I mitigate the risks of CVE-2025-0306?
Mitigation for CVE-2025-0306 includes updating Ruby to the latest patched version that addresses this vulnerability.
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