Bug 458953 (CVE-2008-3656)

Summary: CVE-2008-3656 ruby: WEBrick DoS vulnerability (CPU consumption)
Product: [Other] Security Response Reporter: Jan Lieskovsky <jlieskov>
Component: vulnerabilityAssignee: Red Hat Product Security <security-response-team>
Status: CLOSED ERRATA QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: unspecifiedCC: tagoh
Target Milestone: ---Keywords: Security
Target Release: ---   
Hardware: All   
OS: Linux   
URL: http://nvd.nist.gov/nvd.cfm?cvename=CVE-2008-3656
Whiteboard:
Fixed In Version: Doc Type: Bug Fix
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Last Closed: 2021-10-19 09:06:16 UTC Type: ---
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
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Bug Depends On: 461579, 461580, 461590, 461591    
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Description Flags
Proposed patch
none
Correct patch for this issue none

Description Jan Lieskovsky 2008-08-13 13:49:17 UTC 
Common Vulnerabilities and Exposures assigned an identifier CVE-2008-3656 to the following vulnerability:

Algorithmic complexity vulnerability in WEBrick::HTTP::DefaultFileHandler in WEBrick in Ruby 1.8.5 and earlier, 1.8.5 through 1.8.6-p286, 1.8.7 through 1.8.7-p71, and 1.9 through r18423 allows context-dependent attackers to cause a denial of service (CPU consumption) via a crafted HTTP request that is processed by a backtracking regular expression.

Refences:
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=494401
http://www.ruby-lang.org/en/news/2008/08/08/multiple-vulnerabilities-in-ruby/
Comment 4 Jan Lieskovsky 2008-08-13 14:29:44 UTC 
Created attachment 314212 [details]
Proposed patch
Comment 8 Fedora Update System 2008-10-08 14:20:59 UTC 
ruby-1.8.6.287-2.fc8 has been submitted as an update for Fedora 8.
http://admin.fedoraproject.org/updates/ruby-1.8.6.287-2.fc8
Comment 9 Fedora Update System 2008-10-08 14:22:57 UTC 
ruby-1.8.6.287-2.fc9 has been submitted as an update for Fedora 9.
http://admin.fedoraproject.org/updates/ruby-1.8.6.287-2.fc9
Comment 10 Fedora Update System 2008-10-09 21:29:23 UTC 
ruby-1.8.6.287-2.fc9 has been pushed to the Fedora 9 stable repository.  If problems still persist, please make note of it in this bug report.
Comment 11 Fedora Update System 2008-10-09 21:35:13 UTC 
ruby-1.8.6.287-2.fc8 has been pushed to the Fedora 8 stable repository.  If problems still persist, please make note of it in this bug report.
Comment 12 Josh Bressers 2008-11-05 19:59:29 UTC 
Created attachment 322637 [details]
Correct patch for this issue

The previous patch is actually for CVE-2008-1145.

This is the proper patch for CVE-2008-3656