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Bug 189539

Summary:	CVE-2006-1931 Ruby http/xmlrpc server DoS
Product:	Red Hat Enterprise Linux 4	Reporter:	Josh Bressers <bressers>
Component:	ruby	Assignee:	Akira TAGOH <tagoh>
Status:	CLOSED ERRATA	QA Contact:	Bill Huang <bhuang>
Severity:	medium	Docs Contact:
Priority:	medium
Version:	4.0	Keywords:	Security
Target Milestone:	---
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:	impact=moderate,reported=20060412,source=redhat,public=20050630
Fixed In Version:	RHSA-2006-0427	Doc Type:	Bug Fix
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2006-05-09 11:25:08 UTC	Type:	---
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:

Description Josh Bressers 2006-04-20 20:13:23 UTC

Ruby http/xmlrpc server DoS

A bug was found in the way ruby creates its http (and thus xmlrpc)
server.  The server uses blocking sockets, so if it is possible to
send a very large amount of data via the socket, the server will block
other connections resulting in a denial of service.

The original report (and patch) are here:
http://blade.nagaokaut.ac.jp/cgi-bin/scat.rb/ruby/ruby-dev/27787

A reproducer is described here:
http://blade.nagaokaut.ac.jp/cgi-bin/scat.rb/ruby/ruby-dev/26405

Comment 1 Akira TAGOH 2006-04-21 05:12:55 UTC

will fixed in 1.8.1-7.EL4.3

Comment 5 Red Hat Bugzilla 2006-05-09 11:25:09 UTC

An advisory has been issued which should help the problem
described in this bug report. This report is therefore being
closed with a resolution of ERRATA. For more information
on the solution and/or where to find the updated files,
please follow the link below. You may reopen this bug report
if the solution does not work for you.

http://rhn.redhat.com/errata/RHSA-2006-0427.html