Ruby OpenSSL Marvin Attack cryptographic issue

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.5$0-$5k0.00

Summaryinfo

A vulnerability described as problematic has been identified in Ruby. Affected by this vulnerability is an unknown functionality of the component OpenSSL Handler. Executing a manipulation can lead to cryptographic issue. The identification of this vulnerability is CVE-2025-0306. The attack may be launched remotely. There is no exploit available.

Detailsinfo

A vulnerability was found in Ruby (unknown version). It has been declared as problematic. This vulnerability affects an unknown code block of the component OpenSSL Handler. The manipulation with an unknown input leads to a cryptographic issue vulnerability. The CWE definition for the vulnerability is CWE-310. As an impact it is known to affect confidentiality. CVE summarizes:

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.

The advisory is available at bugzilla.redhat.com. This vulnerability was named CVE-2025-0306 since 01/07/2025. The exploitation appears to be difficult. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1600 by the MITRE ATT&CK project.

The vulnerability scanner Nessus provides a plugin with the ID 230697 (Linux Distros Unpatched Vulnerability : CVE-2025-0306), which helps to determine the existence of the flaw in a target environment.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at Tenable (230697) and EUVD (EUVD-2025-1595). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.6
VulDB Meta Temp Score: 5.6

VulDB Base Score: 3.7
VulDB Temp Score: 3.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 7.4
CNA Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Cryptographic issue
CWE: CWE-310
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 230697
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2025-0306

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/07/2025 🔍
01/07/2025 +0 days 🔍
01/07/2025 +0 days 🔍
08/03/2025 +208 days 🔍

Sourcesinfo

Advisory: bugzilla.redhat.com
Status: Not defined

CVE: CVE-2025-0306 (🔍)
GCVE (CVE): GCVE-0-2025-0306
GCVE (VulDB): GCVE-100-290554
EUVD: 🔍

Entryinfo

Created: 01/07/2025 15:29
Updated: 08/03/2025 18:43
Changes: 01/07/2025 15:29 (51), 01/09/2025 14:56 (13), 03/06/2025 16:39 (2), 08/03/2025 18:43 (1)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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