CVE-2008-3656

EUVD-2008-3642
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
7.8 UNKNOWN
NETWORK
LOW
AV:N/AC:L/Au:N/C:N/I:N/A:C
Base Score
CVSS 3.x
EPSS Score
Percentile: 98%
Affected Products (NVD)
VendorProductVersion
ruby-langruby
𝑥
≤ 1.8.5
ruby-langruby
1.6.8
ruby-langruby
1.8.0
ruby-langruby
1.8.1
ruby-langruby
1.8.1:-9
ruby-langruby
1.8.2
ruby-langruby
1.8.2:preview2
ruby-langruby
1.8.2:preview3
ruby-langruby
1.8.2:preview4
ruby-langruby
1.8.3
ruby-langruby
1.8.3:preview1
ruby-langruby
1.8.3:preview2
ruby-langruby
1.8.3:preview3
ruby-langruby
1.8.4
ruby-langruby
1.8.4:preview1
ruby-langruby
1.8.4:preview2
ruby-langruby
1.8.4:preview3
ruby-langruby
1.8.5:p11
ruby-langruby
1.8.5:p113
ruby-langruby
1.8.5:p115
ruby-langruby
1.8.5:p12
ruby-langruby
1.8.5:p2
ruby-langruby
1.8.5:p35
ruby-langruby
1.8.5:preview1
ruby-langruby
1.8.5:preview2
ruby-langruby
1.8.5:preview3
ruby-langruby
1.8.5:preview4
ruby-langruby
1.8.5:preview5
ruby-langruby
1.8.6
ruby-langruby
1.8.6:p110
ruby-langruby
1.8.6:p114
ruby-langruby
1.8.6:preview1
ruby-langruby
1.8.6:preview2
ruby-langruby
1.8.6:preview3
ruby-langruby
1.8.7
ruby-langruby
1.8.7:p17
ruby-langruby
1.8.7:p22
ruby-langruby
1.8.7:p71
ruby-langruby
1.8.7:preview1
ruby-langruby
1.8.7:preview2
ruby-langruby
1.8.7:preview3
ruby-langruby
1.8.7:preview4
ruby-langruby
1.9.0
𝑥
= Vulnerable software versions
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
ruby1.8
dapper
Fixed 1.8.4-1ubuntu1.6
released
feisty
Fixed 1.8.5-4ubuntu2.3
released
gutsy
Fixed 1.8.6.36-1ubuntu3.3
released
hardy
Fixed 1.8.6.111-2ubuntu1.2
released
intrepid
not-affected
jaunty
not-affected
karmic
not-affected
lucid
not-affected
maverick
not-affected
natty
not-affected
oneiric
not-affected
ruby1.9
dapper
ignored
feisty
ignored
gutsy
ignored
hardy
ignored
intrepid
Fixed 1.9.0.2-7
released
jaunty
Fixed 1.9.0.2-7
released
karmic
Fixed 1.9.0.2-7
released
lucid
Fixed 1.9.0.2-7
released
maverick
dne
natty
dne
oneiric
dne
Common Weakness Enumeration
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
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