Ruby 'regex.c' Processing Bug Lets Remote Users Deny Service
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SecurityTracker Alert ID: 1021075
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SecurityTracker URL: http://securitytracker.com/id?1021075
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CVE Reference: CVE-2008-3443
(Links to External Site)
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Date: Oct 21 2008
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Impact: Denial of service via network
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Exploit Included: Yes
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Version(s): 1.8.5, 1.8.6-p286, 1.8.7-p71, and prior versions; 1.9 r18423 and prior versions
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Description: A vulnerability was reported in Ruby. A remote user can cause denial of service conditions.
A remote user can send specially crafted requests to trigger a memory leak in the regex engine and cause the target service to enter
an infinite loop and then crash.
The vulnerability resides in 'regex.c'.
A demonstration exploit is available at:
http://www.milw0rm.com/exploits/6239
Laurent
Gaffie reported this vulnerability in August 2008.
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Impact: A remote user can cause denial of service conditions.
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Solution: The original report indicates that the vendor has issued a fix.
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Vendor URL: ruby-lang.org/ (Links to External Site)
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Cause: State error
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Underlying OS: Linux (Any), UNIX (Any), Windows (Any)
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Message History:
This archive entry has one or more follow-up message(s) listed below.
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Source Message Contents
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Date: Tue, 21 Oct 2008 17:02:15 -0400
Subject: Ruby
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CVE-2008-3443
http://www.milw0rm.com/exploits/6239
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