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      Last Modified:  09/06/2017      View Analysis Description

Quick Info

CVE Dictionary Entry:
CVE-2014-6438
Original release date:
09/06/2017
Last revised:
09/11/2017
Source:
US-CERT/NIST

Impact

CVSS Severity (version 3.0):
CVSS v3 Base Score:
7.5 High
Vector:
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H (legend)
Impact Score:
3.6
Exploitability Score:
3.9
CVSS Version 3 Metrics:
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 Severity (version 2.0):
CVSS v2 Base Score:
5.0 MEDIUM
Vector:
(AV:N/AC:L/Au:N/C:N/I:N/A:P) (legend)
Impact Subscore:
2.9
Exploitability Subscore:
10.0
CVSS Version 2 Metrics:
Access Vector:
Network exploitable
Access Complexity:
Low
Authentication:
Not required to exploit
Impact Type:
Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink Resource Type Source Name
http://www.openwall.com/lists/oss-security/2015/07/13/6 Mailing List; VDB Entry External Source MLIST [oss-security] 20150713 Re: Retroactive CVE request for Ruby 1.9.2-p330
http://www.securitytracker.com/id/1032874 Third Party Advisory; VDB Entry External Source SECTRACK 1032874
https://github.com/ruby/www.ruby-lang.org/issues/817 Third Party Advisory External Source CONFIRM https://github.com/ruby/www.ruby-lang.org/issues/817
https://www.ruby-lang.org/en/news/2014/08/19/ruby-1-9-2-p330-released/ Patch; Release Notes; Vendor Advisory External Source CONFIRM https://www.ruby-lang.org/en/news/2014/08/19/ruby-1-9-2-p330-released/

Technical Details

Vulnerability Type (View All)

  • Resource Management Errors (CWE-399)

Vulnerable software and versions Switch to CPE 2.3

Configuration 1
OR
cpe:/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