Ruby 2.0/2.0.0/2.1.1 Filesystem resource management ⚔ [Disputed]

HistoryDiffrelatejsonxmlCTI

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.9	$0-$5k	0.00

Summaryinfo

A vulnerability was found in Ruby 2.0/2.0.0/2.1.1. It has been rated as critical. Affected is an unknown function of the component Filesystem. This manipulation causes resource management. This vulnerability is registered as CVE-2014-2734. Furthermore, an exploit is available. It is still unclear if this vulnerability genuinely exists.

Detailsinfo

A vulnerability has been found in Ruby 2.0/2.0.0/2.1.1 (Programming Language Software) and classified as critical. Affected by this vulnerability is an unknown function of the component Filesystem. The manipulation with an unknown input leads to a resource management vulnerability. The CWE definition for the vulnerability is CWE-399. As an impact it is known to affect confidentiality, and integrity. The summary by CVE is:

** DISPUTED ** The openssl extension in Ruby 2.x does not properly maintain the state of process memory after a file is reopened, which allows remote attackers to spoof signatures within the context of a Ruby script that attempts signature verification after performing a certain sequence of filesystem operations. NOTE: this issue has been disputed by the Ruby OpenSSL team and third parties, who state that the original demonstration PoC contains errors and redundant or unnecessarily-complex code that does not appear to be related to a demonstration of the issue. As of 20140502, CVE is not aware of any public comment by the original researcher.

The weakness was published 04/24/2014 (Website). It is possible to read the advisory at ruby-lang.org. This vulnerability is known as CVE-2014-2734 since 04/08/2014. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details are unknown but a public exploit is available.

A public exploit has been developed in Ruby. It is possible to download the exploit at securityfocus.com. It is declared as proof-of-concept. The real existence of this vulnerability is still doubted at the moment.

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 SecurityFocus (BID 66956†) and OSVDB (106006†). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Programming Language Software

Name

Ruby

Version

License

open-source

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.2

VulDB Base Score: 6.5
VulDB Temp Score: 6.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Resource management
CWE: CWE-399 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Programming Language: 🔍
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

04/08/2014 🔍
04/16/2014 +8 days 🔍
04/24/2014 +8 days 🔍
04/24/2014 +0 days 🔍
03/25/2015 +335 days 🔍
08/06/2024 +3422 days 🔍

Sourcesinfo

Advisory: 126218
Status: Not defined
Disputed: 🔍

CVE: CVE-2014-2734 (🔍)
GCVE (CVE): GCVE-0-2014-2734
GCVE (VulDB): GCVE-100-69475
SecurityFocus: 66956 - Ruby OpenSSL CVE-2014-2734 CA Private Key Spoofing Vulnerability
OSVDB: 106006

scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 03/25/2015 16:45
Updated: 08/06/2024 15:02
Changes: 03/25/2015 16:45 (55), 03/09/2019 11:51 (1), 03/15/2022 14:45 (3), 08/06/2024 15:02 (18)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.