CVE-2008-3656

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Summary

CVECVE-2008-3656
StatePUBLISHED
Assignermitre
Source PriorityCVE Program / NVD first with legacy fallback
Published2008-08-13 01:41:00 UTC
Updated2026-04-23 00:35:47 UTC
DescriptionAlgorithmic 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.

Risk And Classification

Primary CVSS: v2.0 7.8 from [email protected]

AV:N/AC:L/Au:N/C:N/I:N/A:C

Problem Types: CWE-399 | n/a

CVSS v2.0 Breakdown

Access Vector
Network
Access Complexity
Low
Authentication
None
Confidentiality
None
Integrity
None
Availability
Complete

AV:N/AC:L/Au:N/C:N/I:N/A:C

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Ruby-lang Ruby 1.6.8 All All All
Application Ruby-lang Ruby 1.8.0 All All All
Application Ruby-lang Ruby 1.8.1 All All All
Application Ruby-lang Ruby 1.8.1 -9 All All
Application Ruby-lang Ruby 1.8.2 All All All
Application Ruby-lang Ruby 1.8.2 preview2 All All
Application Ruby-lang Ruby 1.8.2 preview3 All All
Application Ruby-lang Ruby 1.8.2 preview4 All All
Application Ruby-lang Ruby 1.8.3 All All All
Application Ruby-lang Ruby 1.8.3 preview1 All All
Application Ruby-lang Ruby 1.8.3 preview2 All All
Application Ruby-lang Ruby 1.8.3 preview3 All All
Application Ruby-lang Ruby 1.8.4 All All All
Application Ruby-lang Ruby 1.8.4 preview1 All All
Application Ruby-lang Ruby 1.8.4 preview2 All All
Application Ruby-lang Ruby 1.8.4 preview3 All All
Application Ruby-lang Ruby 1.8.5 p11 All All
Application Ruby-lang Ruby 1.8.5 p113 All All
Application Ruby-lang Ruby 1.8.5 p115 All All
Application Ruby-lang Ruby 1.8.5 p12 All All
Application Ruby-lang Ruby 1.8.5 p2 All All
Application Ruby-lang Ruby 1.8.5 p35 All All
Application Ruby-lang Ruby 1.8.5 preview1 All All
Application Ruby-lang Ruby 1.8.5 preview2 All All
Application Ruby-lang Ruby 1.8.5 preview3 All All
Application Ruby-lang Ruby 1.8.5 preview4 All All
Application Ruby-lang Ruby 1.8.5 preview5 All All
Application Ruby-lang Ruby 1.8.6 All All All
Application Ruby-lang Ruby 1.8.6 p110 All All
Application Ruby-lang Ruby 1.8.6 p114 All All
Application Ruby-lang Ruby 1.8.6 preview1 All All
Application Ruby-lang Ruby 1.8.6 preview2 All All
Application Ruby-lang Ruby 1.8.6 preview3 All All
Application Ruby-lang Ruby 1.8.7 All All All
Application Ruby-lang Ruby 1.8.7 p17 All All
Application Ruby-lang Ruby 1.8.7 p22 All All
Application Ruby-lang Ruby 1.8.7 p71 All All
Application Ruby-lang Ruby 1.8.7 preview1 All All
Application Ruby-lang Ruby 1.8.7 preview2 All All
Application Ruby-lang Ruby 1.8.7 preview3 All All
Application Ruby-lang Ruby 1.8.7 preview4 All All
Application Ruby-lang Ruby 1.9.0 All All All
Application Ruby-lang Ruby All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
Repository / Oval Repository af854a3a-2127-422b-91ae-364da2661108 oval.cisecurity.org
Ruby Multiple Vulnerabilities - Secunia Advisories - Vulnerability Intelligence - Secunia.com af854a3a-2127-422b-91ae-364da2661108 secunia.com
Ruby Multiple Security Bypass and Denial of Service Vulnerabilities af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com
Multiple vulnerabilities in Ruby af854a3a-2127-422b-91ae-364da2661108 www.ruby-lang.org Exploit
APPLE-SA-2009-05-12 Security Update 2009-002 / Mac OS X v10.5.7 af854a3a-2127-422b-91ae-364da2661108 lists.apple.com
SecurityFocus af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com
Fedora update for ruby - Secunia Advisories - Vulnerability Intelligence - Secunia.com af854a3a-2127-422b-91ae-364da2661108 secunia.com
Red Hat update for ruby - Secunia Advisories - Vulnerability Intelligence - Secunia.com af854a3a-2127-422b-91ae-364da2661108 secunia.com
About the security content of Security Update 2009-002 / Mac OS X v10.5.7 af854a3a-2127-422b-91ae-364da2661108 support.apple.com
About Secunia Research | Flexera af854a3a-2127-422b-91ae-364da2661108 secunia.com
Debian -- Security Information -- DSA-1652-1 ruby1.9 af854a3a-2127-422b-91ae-364da2661108 www.debian.org
ASA-2008-424 (RHSA-2008-0897) af854a3a-2127-422b-91ae-364da2661108 support.avaya.com
Webmail : Solution de messagerie professionnelle - OVHcloud- OVH af854a3a-2127-422b-91ae-364da2661108 www.vupen.com
IBM X-Force Exchange af854a3a-2127-422b-91ae-364da2661108 exchange.xforce.ibmcloud.com
Advisories:rPSA-2008-0264 - rPath Wiki af854a3a-2127-422b-91ae-364da2661108 wiki.rpath.com
Webmail : Solution de messagerie professionnelle - OVHcloud- OVH af854a3a-2127-422b-91ae-364da2661108 www.vupen.com
Apple Mac OS X Security Update Fixes Multiple Vulnerabilities - Secunia Advisories - Vulnerability Information - Secunia.com af854a3a-2127-422b-91ae-364da2661108 secunia.com
Ruby: Multiple vulnerabilities — Gentoo Linux Documentation af854a3a-2127-422b-91ae-364da2661108 security.gentoo.org
[SECURITY] Fedora 9 Update: ruby-1.8.6.287-2.fc9 af854a3a-2127-422b-91ae-364da2661108 www.redhat.com
Debian update for ruby1.9 - Secunia Advisories - Vulnerability Intelligence - Secunia.com af854a3a-2127-422b-91ae-364da2661108 secunia.com
[SECURITY] Fedora 8 Update: ruby-1.8.6.287-2.fc8 af854a3a-2127-422b-91ae-364da2661108 www.redhat.com
Ruby WEBrick HTTP Server split_header_value() Function Regex Bug Lets Remote Users Deny Service - SecurityTracker af854a3a-2127-422b-91ae-364da2661108 www.securitytracker.com
Red Hat Customer Portal af854a3a-2127-422b-91ae-364da2661108 www.redhat.com
Debian -- Security Information -- DSA-1651-1 ruby1.8 af854a3a-2127-422b-91ae-364da2661108 www.debian.org
rPath update for ruby - Secunia.com af854a3a-2127-422b-91ae-364da2661108 secunia.com
#494401 - ruby1.8: New release (1.8.7-p71) with vulnerabilities fixes - Debian Bug report logs af854a3a-2127-422b-91ae-364da2661108 bugs.debian.org
Ubuntu update for ruby1.8 - Secunia Advisories - Vulnerability Intelligence - Secunia.com af854a3a-2127-422b-91ae-364da2661108 secunia.com
Debian update for ruby1.8 - Secunia Advisories - Vulnerability Intelligence - Secunia.com af854a3a-2127-422b-91ae-364da2661108 secunia.com
US-CERT Technical Cyber Security Alert TA09-133A -- Apple Updates for Multiple Vulnerabilities af854a3a-2127-422b-91ae-364da2661108 www.us-cert.gov US Government Resource
USN-651-1: Ruby vulnerabilities | Ubuntu security notices af854a3a-2127-422b-91ae-364da2661108 usn.ubuntu.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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