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Bug 1490845 - (CVE-2014-6438) CVE-2014-6438 ruby: Unsafe parsing of long strings via decode_www_form_component method
CVE-2014-6438 ruby: Unsafe parsing of long strings via decode_www_form_compon...
Status: CLOSED WONTFIX
Product: Security Response
Classification: Other
Component: vulnerability (Show other bugs)
unspecified
All Linux
medium Severity medium
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Assigned To: Red Hat Product Security
impact=moderate,public=20140819,repor...
: Security
Depends On:
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Reported: 2017-09-12 07:19 EDT by Andrej Nemec
Modified: 2017-09-12 07:21 EDT (History)
30 users (show)

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Fixed In Version: ruby 1.9.2-p330
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Last Closed: 2017-09-12 07:21:09 EDT
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Description Andrej Nemec 2017-09-12 07:19:49 EDT 
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.

External References:

https://www.ruby-lang.org/en/news/2014/08/19/ruby-1-9-2-p330-released/

References:

http://www.openwall.com/lists/oss-security/2015/07/13/5
https://github.com/ruby/www.ruby-lang.org/issues/817
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