47471 : WEBrick in Ruby WEBrick::HTTP::DefaultFileHandler Crafted HTTP Request DoS
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Views This Week	Views All Time	Added to OSVDB	Last Modified	Modified (since 2008)	Percent Complete
6	1232	almost 5 years ago	over 2 years ago	7 times	90%

Timeline

Disclosure Date
2008-08-08

Description

Ruby contains a flaw that may allow a remote denial of service. The issue is triggered when WEBrick receives a specially crafted HTTP request with malformed regular expressions, and will result in loss of availability for the platform.

Classification

Location: Remote / Network Access
Attack Type: Denial of Service, Input Manipulation
Impact: Loss of Availability
Solution: Patch / RCS
Exploit: Exploit Public
Disclosure: Vendor Verified
OSVDB: Web Related

Solution

Upgrade to version 1.8.6-p287, 1.8.7-p72 or higher, as it has been reported to fix this vulnerability. An upgrade is required as there are no known workarounds.

Products

Ruby	Ruby	1.8.5
		1.8.6-p286
		1.8.7-p71

References

CVE ID: 2008-3656 (see also: NVD) 2008-4310 (see also: NVD)
Secunia Advisory ID: 31430 31697 32165 32219 32255 32256 32371 33013 33178 35074
SCIP VulDB ID: 3775
Related OSVDB ID: 47469 47470 47472
Metasploit ID: 47471
Vendor Specific News/Changelog Entry: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=494401
http://www.gentoo.org/security/en/glsa/glsa-200812-17.xml
Vendor Specific Advisory URL: http://support.apple.com/kb/HT1222
http://www.ruby-lang.org/en/news/2008/08/08/multiple-vulnerabilities-in-ruby/
http://www.us.debian.org/security/2008/dsa-1651
http://www.us.debian.org/security/2008/dsa-1652
https://www.redhat.com/archives/fedora-package-announce/2008-October/msg00259.html
https://www.redhat.com/archives/fedora-package-announce/2008-October/msg00299.html
Other Advisory URL: http://wiki.rpath.com/wiki/Advisories:rPSA-2008-0264
Mail List Post: https://lists.ubuntu.com/archives/ubuntu-security-announce/2008-October/000759.html
RedHat RHSA: https://rhn.redhat.com/errata/RHSA-2008-0897.html
https://rhn.redhat.com/errata/RHSA-2008-0981.html

Tools & Filters

	38743 38744
	5023

Credit

Unknown or Incomplete

CVSSv2 Score

CVSSv2 Base Score = 7.8
Source: nvd.nist.gov | Generated: 2008-12-09 | Disagree? | There are 1 more: View All

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