Vulnerability Monitor

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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 consumption, or application crash) via a crafted string.

Published

2017-09-06T21:29:00.253

Last Modified

2025-04-20T01:37:25.860

Status

Deferred

Source

[email protected]

Severity

CVSSv3.0: 7.5 (HIGH)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:N/I:N/A:P

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: NONE
Availability Impact: PARTIAL

Exploitability Score

10.0

Impact Score

2.9

Weaknesses

Type: Primary
CWE-399

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	ruby-lang	ruby	≤ 1.9.2	Yes

References

http://www.openwall.com/lists/oss-security/2015/07/13/6 Mailing List, VDB Entry ([email protected])
http://www.securitytracker.com/id/1032874 Third Party Advisory, VDB Entry ([email protected])
https://github.com/ruby/www.ruby-lang.org/issues/817 Third Party Advisory ([email protected])
https://www.ruby-lang.org/en/news/2014/08/19/ruby-1-9-2-p330-released/ Patch, Release Notes, Vendor Advisory ([email protected])
http://www.openwall.com/lists/oss-security/2015/07/13/6 Mailing List, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
http://www.securitytracker.com/id/1032874 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/ruby/www.ruby-lang.org/issues/817 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.ruby-lang.org/en/news/2014/08/19/ruby-1-9-2-p330-released/ Patch, Release Notes, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)