Bug 458953 - (CVE-2008-3656) CVE-2008-3656 ruby: WEBrick DoS vulnerability (CPU consumption)
CVE-2008-3656 ruby: WEBrick DoS vulnerability (CPU consumption)
Status: NEW
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
http://nvd.nist.gov/nvd.cfm?cvename=C...
reported=20080808,public=20080808,sou...
: Security
Depends On: 461579 461580 461590 461591
Blocks:
  Show dependency treegraph
 
Reported: 2008-08-13 09:49 EDT by Jan Lieskovsky
Modified: 2011-07-28 06:56 EDT (History)
3 users (show)

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Doc Type: Bug Fix
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RHEL 7.3 requirements from Atomic Host:


Attachments (Terms of Use)
Proposed patch (67 bytes, text/plain)
2008-08-13 10:29 EDT, Jan Lieskovsky
no flags Details
Correct patch for this issue (1.11 KB, patch)
2008-11-05 14:59 EST, Josh Bressers
no flags Details | Diff

  None (edit)
Description Jan Lieskovsky 2008-08-13 09:49:17 EDT
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 10:29:44 EDT
Created attachment 314212 [details]
Proposed patch
Comment 8 Fedora Update System 2008-10-08 10:20:59 EDT
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 10:22:57 EDT
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 17:29:23 EDT
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 17:35:13 EDT
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 14:59:29 EST
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

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