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[ GLSA 200411-23 ] Ruby: Denial of Service issue
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GLSA
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Joined: 13 Jun 2003
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Location: Barcelona, Spain

PostPosted: Tue Nov 16, 2004 6:44 pm    Post subject: [ GLSA 200411-23 ] Ruby: Denial of Service issue Reply with quote

Gentoo Linux Security Advisory

Title: Ruby: Denial of Service issue (GLSA 200411-23)
Severity: normal
Exploitable: remote
Date: November 16, 2004
Bug(s): #69985
ID: 200411-23

Synopsis

The CGI module in Ruby can be sent into an infinite loop, resulting in a Denial of Service condition.

Background

Ruby is an interpreted scripting language for quick and easy object-oriented programming. Ruby's CGI module can be used to build web applications.

Affected Packages

Package: dev-lang/ruby
Vulnerable: < 1.8.2_pre3
Unaffected: >= 1.6.8-r12 < 1.6.9
Unaffected: >= 1.8.2_pre3
Architectures: All supported architectures


Description

Ruby's developers found and fixed an issue in the CGI module that can be triggered remotely and cause an infinite loop.

Impact

A remote attacker could trigger the vulnerability through an exposed Ruby web application and cause the server to use unnecessary CPU resources, potentially resulting in a Denial of Service.

Workaround

There is no known workaround at this time.

Resolution

All Ruby 1.6.x users should upgrade to the latest version:
Code:
# emerge --sync
# emerge --ask --oneshot --verbose ">=dev-lang/ruby-1.6.8-r12"
All Ruby 1.8.x users should upgrade to the latest version:
Code:
# emerge --sync
# emerge --ask --oneshot --verbose ">=dev-lang/ruby-1.8.2_pre3"


References

CAN-2004-0983


Last edited by GLSA on Sun May 07, 2006 4:53 pm; edited 1 time in total
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