High severity · published Sep 6, 2017
CVE-2014-6438
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…
7.5
CVSS
4.1%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)4.1% · higher than 91% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
RU
Ruby · Ruby-lang
through 1.9.2 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2014-6438
CVE.org
https://www.cve.org/CVERecord?id=CVE-2014-6438
Mailing List
http://www.openwall.com/lists/oss-security/2015/07/13/6
Third Party Advisory
http://www.securitytracker.com/id/1032874
Third Party Advisory
https://github.com/ruby/www.ruby-lang.org/issues/817
Patch
https://www.ruby-lang.org/en/news/2014/08/19/ruby-1-9-2-p330-released/
More from Ruby
9.8
CVE-2022-28738
A double free was found in the Regexp compiler in Ruby 3.x before 3.0.4 and 3.1.x before 3.1.2
9.8
CVE-2016-2338
An exploitable heap overflow vulnerability exists in the Psych::Emitter start_document function of Ruby
9.8
CVE-2011-4121
The OpenSSL extension of Ruby (Git trunk) versions after 2011-09-01 up to 2011-11-03 always generated an exponent value of '1' to be used for private RSA key generation
9.8
CVE-2018-16395
An issue was discovered in the OpenSSL library in Ruby before 2.3.8, 2.4.x before 2.4.5, 2.5.x before 2.5.2, and 2.6.x before 2.6.0-preview3
9.8
CVE-2017-17790
The lazy_initialize function in lib/resolv.rb in Ruby through 2.4.3 uses Kernel#open, which might allow Command Injection attacks, as demonstrated by a Resolv::Hosts::new argument…