CVE-2008-3656

N/A Unknown
Published: August 13, 2008 Modified: April 23, 2026
View on NVD

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.

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References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
http://www.us-cert.gov/cas/techalerts/TA09-133A.html
Source: cve@mitre.org
US Government Resource
https://usn.ubuntu.com/651-1/
Source: cve@mitre.org
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=494401
Source: af854a3a-2127-422b-91ae-364da2661108
http://secunia.com/advisories/31430
Source: af854a3a-2127-422b-91ae-364da2661108
http://secunia.com/advisories/31697
Source: af854a3a-2127-422b-91ae-364da2661108
http://secunia.com/advisories/32165
Source: af854a3a-2127-422b-91ae-364da2661108
http://secunia.com/advisories/32219
Source: af854a3a-2127-422b-91ae-364da2661108
http://secunia.com/advisories/32255
Source: af854a3a-2127-422b-91ae-364da2661108
http://secunia.com/advisories/32256
Source: af854a3a-2127-422b-91ae-364da2661108
http://secunia.com/advisories/32371
Source: af854a3a-2127-422b-91ae-364da2661108
http://secunia.com/advisories/33178
Source: af854a3a-2127-422b-91ae-364da2661108
http://secunia.com/advisories/35074
Source: af854a3a-2127-422b-91ae-364da2661108
http://security.gentoo.org/glsa/glsa-200812-17.xml
Source: af854a3a-2127-422b-91ae-364da2661108
http://support.apple.com/kb/HT3549
Source: af854a3a-2127-422b-91ae-364da2661108
http://support.avaya.com/elmodocs2/security/ASA-2008-424.htm
Source: af854a3a-2127-422b-91ae-364da2661108
http://wiki.rpath.com/wiki/Advisories:rPSA-2008-0264
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.debian.org/security/2008/dsa-1651
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.debian.org/security/2008/dsa-1652
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.redhat.com/support/errata/RHSA-2008-0897.html
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.ruby-lang.org/en/news/2008/08/08/multiple-vulnerabilities-in-ruby/
Source: af854a3a-2127-422b-91ae-364da2661108
Exploit
http://www.securityfocus.com/archive/1/495884/100/0/threaded
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.securityfocus.com/bid/30644
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.securitytracker.com/id?1020654
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.us-cert.gov/cas/techalerts/TA09-133A.html
Source: af854a3a-2127-422b-91ae-364da2661108
US Government Resource
http://www.vupen.com/english/advisories/2008/2334
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.vupen.com/english/advisories/2009/1297
Source: af854a3a-2127-422b-91ae-364da2661108
https://exchange.xforce.ibmcloud.com/vulnerabilities/44371
Source: af854a3a-2127-422b-91ae-364da2661108
https://usn.ubuntu.com/651-1/
Source: af854a3a-2127-422b-91ae-364da2661108

60 reference(s) from NVD

Quick Stats

CVSS v3 Score
N/A / 10.0
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

Affected Vendors

ruby-lang