Bug 1490845 (CVE-2014-6438) - CVE-2014-6438 ruby: Unsafe parsing of long strings via decode_www_form_component method
Summary: CVE-2014-6438 ruby: Unsafe parsing of long strings via decode_www_form_compon...
Keywords:
Status: CLOSED WONTFIX
Alias: CVE-2014-6438
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Red Hat Product Security
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Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2017-09-12 11:19 UTC by Andrej Nemec
Modified: 2021-02-17 01:31 UTC (History)
30 users (show)

Fixed In Version: ruby 1.9.2-p330
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Last Closed: 2017-09-12 11:21:09 UTC
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Description Andrej Nemec 2017-09-12 11:19:49 UTC 
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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