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Test ID:1.3.6.1.4.1.25623.1.0.100445
Category:Web Servers
Title:Ruby WEBrick Terminal Escape Sequence in Logs Command Injection Vulnerability
Summary:Determine the Ruby version
Description:Overview:
Ruby WEBrick is prone to a command-injection vulnerability because it
fails to adequately sanitize user-supplied input in log files.

Attackers can exploit this issue to execute arbitrary commands in
a terminal.

Versions *prior to* the following are affected:

Ruby 1.8.6 patchlevel 388 Ruby 1.8.7 patchlevel 249 Ruby 1.9.1
patchlevel 378

Solution:
Updates are available. Please see the references for details.

References:
http://www.securityfocus.com/bid/37710
http://www.ruby-lang.org
http://www.ruby-lang.org/en/news/2010/01/10/webrick-escape-sequence-injection/
http://www.securityfocus.com/archive/1/508830
Cross-Ref: BugTraq ID: 37710
Common Vulnerability Exposure (CVE) ID: CVE-2009-4492
Bugtraq: 20100110 Nginx, Varnish, Cherokee, thttpd, mini-httpd, WEBrick, Orion, AOLserver, Yaws and Boa log escape sequence injection (Google Search)
http://www.securityfocus.com/archive/1/archive/1/508830/100/0/threaded
http://www.ush.it/team/ush/hack_httpd_escape/adv.txt
http://www.redhat.com/support/errata/RHSA-2011-0908.html
http://www.redhat.com/support/errata/RHSA-2011-0909.html
http://www.securityfocus.com/bid/37710
http://securitytracker.com/id?1023429
http://secunia.com/advisories/37949
http://www.vupen.com/english/advisories/2010/0089
CopyrightThis script is Copyright (C) 2010 Greenbone Networks GmbH

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