National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2008-3656 Detail

Current Description

Algorithmic complexity vulnerability in the WEBrick::HTTPUtils.split_header_value function in WEBrick::HTTP::DefaultFileHandler in WEBrick in Ruby 1.8.5 and earlier, 1.8.6 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.

Source:  MITRE
View Analysis Description

Impact

CVSS v2.0 Severity and Metrics:

Base Score: 7.8 HIGH
Vector: (AV:N/AC:L/Au:N/C:N/I:N/A:C) (V2 legend)
Impact Subscore: 6.9
Exploitability Subscore: 10.0


Access Vector (AV): Network
Access Complexity (AC): Insufficient_Info
Authentication (AU): None
Confidentiality (C): None
Integrity (I): None
Availability (A): Complete
Additional Information:
Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=494401
http://lists.apple.com/archives/security-announce/2009/May/msg00002.html
http://security.gentoo.org/glsa/glsa-200812-17.xml
http://support.apple.com/kb/HT3549
http://support.avaya.com/elmodocs2/security/ASA-2008-424.htm
http://wiki.rpath.com/wiki/Advisories:rPSA-2008-0264
http://www.debian.org/security/2008/dsa-1651
http://www.debian.org/security/2008/dsa-1652
http://www.redhat.com/support/errata/RHSA-2008-0897.html
http://www.ruby-lang.org/en/news/2008/08/08/multiple-vulnerabilities-in-ruby/ Exploit
http://www.securityfocus.com/archive/1/495884/100/0/threaded
http://www.securityfocus.com/bid/30644
http://www.securitytracker.com/id?1020654
http://www.us-cert.gov/cas/techalerts/TA09-133A.html US Government Resource
http://www.vupen.com/english/advisories/2008/2334
http://www.vupen.com/english/advisories/2009/1297
https://exchange.xforce.ibmcloud.com/vulnerabilities/44371
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9682
https://usn.ubuntu.com/651-1/
https://www.redhat.com/archives/fedora-package-announce/2008-October/msg00259.html
https://www.redhat.com/archives/fedora-package-announce/2008-October/msg00299.html

Technical Details

Vulnerability Type (View All)

  • Resource Management Errors (CWE-399)

Known Affected Software Configurations Switch to CPE 2.3

Configuration 1 ( hide )
 cpe:/a:ruby-lang:ruby:1.6.8
     Show Matching CPE(s)
 cpe:/a:ruby-lang:ruby:1.8.0
     Show Matching CPE(s)
 cpe:/a:ruby-lang:ruby:1.8.1
     Show Matching CPE(s)
 cpe:/a:ruby-lang:ruby:1.8.1:-9
     Show Matching CPE(s)
 cpe:/a:ruby-lang:ruby:1.8.2
     Show Matching CPE(s)
 cpe:/a:ruby-lang:ruby:1.8.2:preview2
     Show Matching CPE(s)
 cpe:/a:ruby-lang:ruby:1.8.2:preview3
     Show Matching CPE(s)
 cpe:/a:ruby-lang:ruby:1.8.2:preview4
     Show Matching CPE(s)
 cpe:/a:ruby-lang:ruby:1.8.3
     Show Matching CPE(s)
 cpe:/a:ruby-lang:ruby:1.8.3:preview1
     Show Matching CPE(s)
 cpe:/a:ruby-lang:ruby:1.8.3:preview2
     Show Matching CPE(s)
 cpe:/a:ruby-lang:ruby:1.8.3:preview3
     Show Matching CPE(s)
 cpe:/a:ruby-lang:ruby:1.8.4
     Show Matching CPE(s)
 cpe:/a:ruby-lang:ruby:1.8.4:preview1
     Show Matching CPE(s)
 cpe:/a:ruby-lang:ruby:1.8.4:preview2
     Show Matching CPE(s)
 cpe:/a:ruby-lang:ruby:1.8.4:preview3
     Show Matching CPE(s)
 cpe:/a:ruby-lang:ruby
     Show Matching CPE(s)
Up to (including)
1.8.5
 cpe:/a:ruby-lang:ruby:1.8.5:p11
     Show Matching CPE(s)
 cpe:/a:ruby-lang:ruby:1.8.5:p113
     Show Matching CPE(s)
 cpe:/a:ruby-lang:ruby:1.8.5:p115
     Show Matching CPE(s)
 cpe:/a:ruby-lang:ruby:1.8.5:p12
     Show Matching CPE(s)
 cpe:/a:ruby-lang:ruby:1.8.5:p2
     Show Matching CPE(s)
 cpe:/a:ruby-lang:ruby:1.8.5:p35
     Show Matching CPE(s)
 cpe:/a:ruby-lang:ruby:1.8.5:preview1
     Show Matching CPE(s)
 cpe:/a:ruby-lang:ruby:1.8.5:preview2
     Show Matching CPE(s)
 cpe:/a:ruby-lang:ruby:1.8.5:preview3
     Show Matching CPE(s)
 cpe:/a:ruby-lang:ruby:1.8.5:preview4
     Show Matching CPE(s)
 cpe:/a:ruby-lang:ruby:1.8.5:preview5
     Show Matching CPE(s)
 cpe:/a:ruby-lang:ruby:1.8.6
     Show Matching CPE(s)
 cpe:/a:ruby-lang:ruby:1.8.6:p110
     Show Matching CPE(s)
 cpe:/a:ruby-lang:ruby:1.8.6:p114
     Show Matching CPE(s)
 cpe:/a:ruby-lang:ruby:1.8.6:preview1
     Show Matching CPE(s)
 cpe:/a:ruby-lang:ruby:1.8.6:preview2
     Show Matching CPE(s)
 cpe:/a:ruby-lang:ruby:1.8.6:preview3
     Show Matching CPE(s)
 cpe:/a:ruby-lang:ruby:1.8.7
     Show Matching CPE(s)
 cpe:/a:ruby-lang:ruby:1.8.7:p17
     Show Matching CPE(s)
 cpe:/a:ruby-lang:ruby:1.8.7:p22
     Show Matching CPE(s)
 cpe:/a:ruby-lang:ruby:1.8.7:p71
     Show Matching CPE(s)
 cpe:/a:ruby-lang:ruby:1.8.7:preview1
     Show Matching CPE(s)
 cpe:/a:ruby-lang:ruby:1.8.7:preview2
     Show Matching CPE(s)
 cpe:/a:ruby-lang:ruby:1.8.7:preview3
     Show Matching CPE(s)
 cpe:/a:ruby-lang:ruby:1.8.7:preview4
     Show Matching CPE(s)
 cpe:/a:ruby-lang:ruby:1.9.0
     Show Matching CPE(s)


Change History

5 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2008-3656
NVD Published Date:
08/12/2008
NVD Last Modified:
10/11/2018