CVE-2008-3656
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
AV:N/AC:L/Au:N/C:N/I:N/A:C
AI Score
Confidence
High
EPSS
Percentile
95.0%
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.
Affected configurations
| Vendor | Product | Version | CPE |
|---|---|---|---|
| ruby-lang | ruby | * | cpe:2.3:a:ruby-lang:ruby:*:*:*:*:*:*:*:* |
| ruby-lang | ruby | 1.6.8 | cpe:2.3:a:ruby-lang:ruby:1.6.8:*:*:*:*:*:*:* |
| ruby-lang | ruby | 1.8.0 | cpe:2.3:a:ruby-lang:ruby:1.8.0:*:*:*:*:*:*:* |
| ruby-lang | ruby | 1.8.1 | cpe:2.3:a:ruby-lang:ruby:1.8.1:*:*:*:*:*:*:* |
| ruby-lang | ruby | 1.8.1 | cpe:2.3:a:ruby-lang:ruby:1.8.1:-9:*:*:*:*:*:* |
| ruby-lang | ruby | 1.8.2 | cpe:2.3:a:ruby-lang:ruby:1.8.2:*:*:*:*:*:*:* |
| ruby-lang | ruby | 1.8.2 | cpe:2.3:a:ruby-lang:ruby:1.8.2:preview2:*:*:*:*:*:* |
| ruby-lang | ruby | 1.8.2 | cpe:2.3:a:ruby-lang:ruby:1.8.2:preview3:*:*:*:*:*:* |
| ruby-lang | ruby | 1.8.2 | cpe:2.3:a:ruby-lang:ruby:1.8.2:preview4:*:*:*:*:*:* |
| ruby-lang | ruby | 1.8.3 | cpe:2.3:a:ruby-lang:ruby:1.8.3:*:*:*:*:*:*:* |
References
bugs.debian.org/cgi-bin/bugreport.cgi?bug=494401
lists.apple.com/archives/security-announce/2009/May/msg00002.html
secunia.com/advisories/31430
secunia.com/advisories/31697
secunia.com/advisories/32165
secunia.com/advisories/32219
secunia.com/advisories/32255
secunia.com/advisories/32256
secunia.com/advisories/32371
secunia.com/advisories/33178
secunia.com/advisories/35074
security.gentoo.org/glsa/glsa-200812-17.xml
support.apple.com/kb/HT3549
support.avaya.com/elmodocs2/security/ASA-2008-424.htm
wiki.rpath.com/wiki/Advisories:rPSA-2008-0264
www.debian.org/security/2008/dsa-1651
www.debian.org/security/2008/dsa-1652
www.redhat.com/support/errata/RHSA-2008-0897.html
www.ruby-lang.org/en/news/2008/08/08/multiple-vulnerabilities-in-ruby/
www.securityfocus.com/archive/1/495884/100/0/threaded
www.securityfocus.com/bid/30644
www.securitytracker.com/id?1020654
www.us-cert.gov/cas/techalerts/TA09-133A.html
www.vupen.com/english/advisories/2008/2334
www.vupen.com/english/advisories/2009/1297
exchange.xforce.ibmcloud.com/vulnerabilities/44371
oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9682
usn.ubuntu.com/651-1/
www.redhat.com/archives/fedora-package-announce/2008-October/msg00259.html
www.redhat.com/archives/fedora-package-announce/2008-October/msg00299.html
Related
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
AV:N/AC:L/Au:N/C:N/I:N/A:C
AI Score
Confidence
High
EPSS
Percentile
95.0%