CVE-2008-3656

HIGH

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.

References

http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=494401

http://lists.apple.com/archives/security-announce/2009/May/msg00002.html

http://secunia.com/advisories/31430

http://secunia.com/advisories/31697

http://secunia.com/advisories/32165

http://secunia.com/advisories/32219

http://secunia.com/advisories/32255

http://secunia.com/advisories/32256

http://secunia.com/advisories/32371

http://secunia.com/advisories/33178

http://secunia.com/advisories/35074

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/

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

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

Details

Source: MITRE

Published: 2008-08-13

Updated: 2018-10-11

Type: CWE-399

Risk Information

CVSS v2.0

Base Score: 7.8

Vector: (AV:N/AC:L/Au:N/C:N/I:N/A:C)

Impact Score: 6.9

Exploitability Score: 10

Severity: HIGH