CVE-2008-3656

Ruby 1.9 - 'WEBrick::HTTP::DefaultFileHandler' Crafted HTTP Request Denial of Service

Severity Score

7.8

*CVSS v2

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

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.

Una vulnerabilidad de complejidad algorítmica en la función WEBrick::HTTPUtils.split_header_value en WEBrick::HTTP::DefaultFileHandler en WEBrick en Ruby versiones 1.8.5 y anteriores, versiones 1.8.6 hasta 1.8.6-p286, versiones 1.8.7 hasta 1.8.7-p71, y versiones 1.9 hasta r18423, permite a los atacantes dependiendo del contexto causar una denegación de servicio (consumo de CPU) por medio de una petición HTTP diseñada que se procesa mediante una expresión regular backtracking.

The WEBrick::HTTP::DefaultFileHandler in WEBrick in Ruby 1.8.5 and earlier, 1.8.6 to 1.8.6-p286, 1.8.7 to 1.8.7-p71, and 1.9 to r18423 allows for a DoS (CPU consumption) via a crafted HTTP request.

*Credits: N/A

CVSS Scores

NISTv2 7.8

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

None

Integrity

None

Availability

Complete

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2008-08-11 First Exploit
2008-08-12 CVE Reserved
2008-08-13 CVE Published
2024-08-07 CVE Updated
2024-09-25 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-399: Resource Management Errors

CAPEC

References (33)

URL	Tag	Source
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=494401	X_refsource_confirm
http://secunia.com/advisories/31430	Third Party Advisory
http://secunia.com/advisories/31697	Third Party Advisory
http://secunia.com/advisories/32165	Third Party Advisory
http://secunia.com/advisories/32219	Third Party Advisory
http://secunia.com/advisories/32255	Third Party Advisory
http://secunia.com/advisories/32256	Third Party Advisory
http://secunia.com/advisories/32371	Third Party Advisory
http://secunia.com/advisories/33178	Third Party Advisory
http://secunia.com/advisories/35074	Third Party Advisory
http://support.apple.com/kb/HT3549	X_refsource_confirm
http://support.avaya.com/elmodocs2/security/ASA-2008-424.htm	X_refsource_confirm
http://wiki.rpath.com/wiki/Advisories:rPSA-2008-0264	X_refsource_confirm
http://www.securityfocus.com/archive/1/495884/100/0/threaded	Mailing List
http://www.securityfocus.com/bid/30644	Vdb Entry
http://www.securitytracker.com/id?1020654	Vdb Entry
http://www.us-cert.gov/cas/techalerts/TA09-133A.html	Third Party Advisory
http://www.vupen.com/english/advisories/2008/2334	Vdb Entry
http://www.vupen.com/english/advisories/2009/1297	Vdb Entry
https://exchange.xforce.ibmcloud.com/vulnerabilities/44371	Vdb Entry
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9682	Signature

URL	Date	SRC
https://www.exploit-db.com/exploits/32222	2008-08-11
http://www.ruby-lang.org/en/news/2008/08/08/multiple-vulnerabilities-in-ruby	2024-08-07

URL	Date	SRC

URL	Date	SRC
http://lists.apple.com/archives/security-announce/2009/May/msg00002.html	2018-10-11
http://security.gentoo.org/glsa/glsa-200812-17.xml	2018-10-11
http://www.debian.org/security/2008/dsa-1651	2018-10-11
http://www.debian.org/security/2008/dsa-1652	2018-10-11
http://www.redhat.com/support/errata/RHSA-2008-0897.html	2018-10-11
https://usn.ubuntu.com/651-1	2018-10-11
https://www.redhat.com/archives/fedora-package-announce/2008-October/msg00259.html	2018-10-11
https://www.redhat.com/archives/fedora-package-announce/2008-October/msg00299.html	2018-10-11
https://access.redhat.com/security/cve/CVE-2008-3656	2008-10-21
https://bugzilla.redhat.com/show_bug.cgi?id=458953	2008-10-21

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Ruby-lang Search vendor "Ruby-lang"		Ruby Search vendor "Ruby-lang" for product "Ruby"				<= 1.8.5 Search vendor "Ruby-lang" for product "Ruby" and version " <= 1.8.5"		-		Affected
Ruby-lang Search vendor "Ruby-lang"		Ruby Search vendor "Ruby-lang" for product "Ruby"				1.6.8 Search vendor "Ruby-lang" for product "Ruby" and version "1.6.8"		-		Affected
Ruby-lang Search vendor "Ruby-lang"		Ruby Search vendor "Ruby-lang" for product "Ruby"				1.8.0 Search vendor "Ruby-lang" for product "Ruby" and version "1.8.0"		-		Affected
Ruby-lang Search vendor "Ruby-lang"		Ruby Search vendor "Ruby-lang" for product "Ruby"				1.8.1 Search vendor "Ruby-lang" for product "Ruby" and version "1.8.1"		-		Affected
Ruby-lang Search vendor "Ruby-lang"		Ruby Search vendor "Ruby-lang" for product "Ruby"				1.8.1 Search vendor "Ruby-lang" for product "Ruby" and version "1.8.1"		-9		Affected
Ruby-lang Search vendor "Ruby-lang"		Ruby Search vendor "Ruby-lang" for product "Ruby"				1.8.2 Search vendor "Ruby-lang" for product "Ruby" and version "1.8.2"		-		Affected
Ruby-lang Search vendor "Ruby-lang"		Ruby Search vendor "Ruby-lang" for product "Ruby"				1.8.2 Search vendor "Ruby-lang" for product "Ruby" and version "1.8.2"		preview2		Affected
Ruby-lang Search vendor "Ruby-lang"		Ruby Search vendor "Ruby-lang" for product "Ruby"				1.8.2 Search vendor "Ruby-lang" for product "Ruby" and version "1.8.2"		preview3		Affected
Ruby-lang Search vendor "Ruby-lang"		Ruby Search vendor "Ruby-lang" for product "Ruby"				1.8.2 Search vendor "Ruby-lang" for product "Ruby" and version "1.8.2"		preview4		Affected
Ruby-lang Search vendor "Ruby-lang"		Ruby Search vendor "Ruby-lang" for product "Ruby"				1.8.3 Search vendor "Ruby-lang" for product "Ruby" and version "1.8.3"		-		Affected
Ruby-lang Search vendor "Ruby-lang"		Ruby Search vendor "Ruby-lang" for product "Ruby"				1.8.3 Search vendor "Ruby-lang" for product "Ruby" and version "1.8.3"		preview1		Affected
Ruby-lang Search vendor "Ruby-lang"		Ruby Search vendor "Ruby-lang" for product "Ruby"				1.8.3 Search vendor "Ruby-lang" for product "Ruby" and version "1.8.3"		preview2		Affected
Ruby-lang Search vendor "Ruby-lang"		Ruby Search vendor "Ruby-lang" for product "Ruby"				1.8.3 Search vendor "Ruby-lang" for product "Ruby" and version "1.8.3"		preview3		Affected
Ruby-lang Search vendor "Ruby-lang"		Ruby Search vendor "Ruby-lang" for product "Ruby"				1.8.4 Search vendor "Ruby-lang" for product "Ruby" and version "1.8.4"		-		Affected
Ruby-lang Search vendor "Ruby-lang"		Ruby Search vendor "Ruby-lang" for product "Ruby"				1.8.4 Search vendor "Ruby-lang" for product "Ruby" and version "1.8.4"		preview1		Affected
Ruby-lang Search vendor "Ruby-lang"		Ruby Search vendor "Ruby-lang" for product "Ruby"				1.8.4 Search vendor "Ruby-lang" for product "Ruby" and version "1.8.4"		preview2		Affected
Ruby-lang Search vendor "Ruby-lang"		Ruby Search vendor "Ruby-lang" for product "Ruby"				1.8.4 Search vendor "Ruby-lang" for product "Ruby" and version "1.8.4"		preview3		Affected
Ruby-lang Search vendor "Ruby-lang"		Ruby Search vendor "Ruby-lang" for product "Ruby"				1.8.5 Search vendor "Ruby-lang" for product "Ruby" and version "1.8.5"		p11		Affected
Ruby-lang Search vendor "Ruby-lang"		Ruby Search vendor "Ruby-lang" for product "Ruby"				1.8.5 Search vendor "Ruby-lang" for product "Ruby" and version "1.8.5"		p113		Affected
Ruby-lang Search vendor "Ruby-lang"		Ruby Search vendor "Ruby-lang" for product "Ruby"				1.8.5 Search vendor "Ruby-lang" for product "Ruby" and version "1.8.5"		p115		Affected
Ruby-lang Search vendor "Ruby-lang"		Ruby Search vendor "Ruby-lang" for product "Ruby"				1.8.5 Search vendor "Ruby-lang" for product "Ruby" and version "1.8.5"		p12		Affected
Ruby-lang Search vendor "Ruby-lang"		Ruby Search vendor "Ruby-lang" for product "Ruby"				1.8.5 Search vendor "Ruby-lang" for product "Ruby" and version "1.8.5"		p2		Affected
Ruby-lang Search vendor "Ruby-lang"		Ruby Search vendor "Ruby-lang" for product "Ruby"				1.8.5 Search vendor "Ruby-lang" for product "Ruby" and version "1.8.5"		p35		Affected
Ruby-lang Search vendor "Ruby-lang"		Ruby Search vendor "Ruby-lang" for product "Ruby"				1.8.5 Search vendor "Ruby-lang" for product "Ruby" and version "1.8.5"		preview1		Affected
Ruby-lang Search vendor "Ruby-lang"		Ruby Search vendor "Ruby-lang" for product "Ruby"				1.8.5 Search vendor "Ruby-lang" for product "Ruby" and version "1.8.5"		preview2		Affected
Ruby-lang Search vendor "Ruby-lang"		Ruby Search vendor "Ruby-lang" for product "Ruby"				1.8.5 Search vendor "Ruby-lang" for product "Ruby" and version "1.8.5"		preview3		Affected
Ruby-lang Search vendor "Ruby-lang"		Ruby Search vendor "Ruby-lang" for product "Ruby"				1.8.5 Search vendor "Ruby-lang" for product "Ruby" and version "1.8.5"		preview4		Affected
Ruby-lang Search vendor "Ruby-lang"		Ruby Search vendor "Ruby-lang" for product "Ruby"				1.8.5 Search vendor "Ruby-lang" for product "Ruby" and version "1.8.5"		preview5		Affected
Ruby-lang Search vendor "Ruby-lang"		Ruby Search vendor "Ruby-lang" for product "Ruby"				1.8.6 Search vendor "Ruby-lang" for product "Ruby" and version "1.8.6"		-		Affected
Ruby-lang Search vendor "Ruby-lang"		Ruby Search vendor "Ruby-lang" for product "Ruby"				1.8.6 Search vendor "Ruby-lang" for product "Ruby" and version "1.8.6"		p110		Affected
Ruby-lang Search vendor "Ruby-lang"		Ruby Search vendor "Ruby-lang" for product "Ruby"				1.8.6 Search vendor "Ruby-lang" for product "Ruby" and version "1.8.6"		p114		Affected
Ruby-lang Search vendor "Ruby-lang"		Ruby Search vendor "Ruby-lang" for product "Ruby"				1.8.6 Search vendor "Ruby-lang" for product "Ruby" and version "1.8.6"		preview1		Affected
Ruby-lang Search vendor "Ruby-lang"		Ruby Search vendor "Ruby-lang" for product "Ruby"				1.8.6 Search vendor "Ruby-lang" for product "Ruby" and version "1.8.6"		preview2		Affected
Ruby-lang Search vendor "Ruby-lang"		Ruby Search vendor "Ruby-lang" for product "Ruby"				1.8.6 Search vendor "Ruby-lang" for product "Ruby" and version "1.8.6"		preview3		Affected
Ruby-lang Search vendor "Ruby-lang"		Ruby Search vendor "Ruby-lang" for product "Ruby"				1.8.7 Search vendor "Ruby-lang" for product "Ruby" and version "1.8.7"		-		Affected
Ruby-lang Search vendor "Ruby-lang"		Ruby Search vendor "Ruby-lang" for product "Ruby"				1.8.7 Search vendor "Ruby-lang" for product "Ruby" and version "1.8.7"		p17		Affected
Ruby-lang Search vendor "Ruby-lang"		Ruby Search vendor "Ruby-lang" for product "Ruby"				1.8.7 Search vendor "Ruby-lang" for product "Ruby" and version "1.8.7"		p22		Affected
Ruby-lang Search vendor "Ruby-lang"		Ruby Search vendor "Ruby-lang" for product "Ruby"				1.8.7 Search vendor "Ruby-lang" for product "Ruby" and version "1.8.7"		p71		Affected
Ruby-lang Search vendor "Ruby-lang"		Ruby Search vendor "Ruby-lang" for product "Ruby"				1.8.7 Search vendor "Ruby-lang" for product "Ruby" and version "1.8.7"		preview1		Affected
Ruby-lang Search vendor "Ruby-lang"		Ruby Search vendor "Ruby-lang" for product "Ruby"				1.8.7 Search vendor "Ruby-lang" for product "Ruby" and version "1.8.7"		preview2		Affected
Ruby-lang Search vendor "Ruby-lang"		Ruby Search vendor "Ruby-lang" for product "Ruby"				1.8.7 Search vendor "Ruby-lang" for product "Ruby" and version "1.8.7"		preview3		Affected
Ruby-lang Search vendor "Ruby-lang"		Ruby Search vendor "Ruby-lang" for product "Ruby"				1.8.7 Search vendor "Ruby-lang" for product "Ruby" and version "1.8.7"		preview4		Affected
Ruby-lang Search vendor "Ruby-lang"		Ruby Search vendor "Ruby-lang" for product "Ruby"				1.9.0 Search vendor "Ruby-lang" for product "Ruby" and version "1.9.0"		-		Affected