National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2014-6438 Detail

Current Description

The URI.decode_www_form_component method in Ruby before 1.9.2-p330 allows remote attackers to cause a denial of service (catastrophic regular expression backtracking, resource consumption, or application crash) via a crafted string.

Source:  MITRE
Description Last Modified:  09/06/2017
View Analysis Description

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 7.5 HIGH
Vector: AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H (V3 legend)
Impact Score: 3.6
Exploitability Score: 3.9


Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): None
Integrity (I): None
Availability (A): High

CVSS v2.0 Severity and Metrics:

Base Score: 5.0 MEDIUM
Vector: (AV:N/AC:L/Au:N/C:N/I:N/A:P) (V2 legend)
Impact Subscore: 2.9
Exploitability Subscore: 10.0


Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (AU): None
Confidentiality (C): None
Integrity (I): None
Availability (A): Partial
Additional Information:
Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://www.openwall.com/lists/oss-security/2015/07/13/6 Mailing List VDB Entry
http://www.securitytracker.com/id/1032874 Third Party Advisory VDB Entry
https://github.com/ruby/www.ruby-lang.org/issues/817 Third Party Advisory
https://www.ruby-lang.org/en/news/2014/08/19/ruby-1-9-2-p330-released/ Patch Release Notes Vendor Advisory

Technical Details

Vulnerability Type (View All)

  • Resource Management Errors (CWE-399)

Vulnerable software and versions Switch to CPE 2.2

Configuration 1
OR
cpe:2.3:a:ruby-lang:ruby:*:*:*:*:*:*:*:*    versions up to (including) 1.9.2

Denotes Vulnerable Software
Are we missing a CPE here? Please let us know.

Change History

1 change record found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2014-6438
NVD Published Date:
09/06/2017
NVD Last Modified:
09/11/2017