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Category:   Application (Generic)  >   Ruby Vendors:   Matsumoto, Yukihiro
Ruby 64-bit BigDecimal Integer Truncation Flaw Lets Remote Users Execute Arbitrary Code
SecurityTracker Alert ID:  1025236
SecurityTracker URL:  http://securitytracker.com/id/1025236
CVE Reference:   CVE-2011-0188   (Links to External Site)
Date:  Mar 22 2011
Impact:   Execution of arbitrary code via network, User access via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 1.9.2
Description:   A vulnerability was reported in Ruby. A remote user can execute arbitrary code on the target system.

A remote user can send specially crafted data to a Ruby script that uses untrusted input to create a BigDecimal object to potentially trigger an integer truncation flaw and execute arbitrary code.

64-bit processes are affected.

Drew Yao of Apple Product Security reported this vulnerability.

Impact:   A remote user can execute arbitrary code on the target system.
Solution:   The vendor has issued a fix, available via SVN at:

http://svn.ruby-lang.org/cgi-bin/viewvc.cgi/trunk/ext/bigdecimal/bigdecimal.c?r1=29364&r2=30993

Vendor URL:  www.ruby-lang.org/ (Links to External Site)
Cause:   Access control error
Underlying OS:  Linux (Any), UNIX (Any), Windows (Any)

Message History:   This archive entry has one or more follow-up message(s) listed below.
Mar 22 2011 (Apple Issues Fix) Ruby 64-bit BigDecimal Integer Truncation Flaw Lets Remote Users Execute Arbitrary Code
Apple has issued a fix for Mac OS X.
Jun 28 2011 (Red Hat Issues Fix) Ruby 64-bit BigDecimal Integer Truncation Flaw Lets Remote Users Execute Arbitrary Code
Red Hat has issued a fix for Red Hat Enterprise Linux 4.
Jun 28 2011 (Red Hat Issues Fix) Ruby 64-bit BigDecimal Integer Truncation Flaw Lets Remote Users Execute Arbitrary Code
Red Hat has issued a fix for Red Hat Enterprise Linux 5.
Jun 28 2011 (Red Hat Issues Fix) Ruby 64-bit BigDecimal Integer Truncation Flaw Lets Remote Users Execute Arbitrary Code
Red Hat has issued a fix for Red Hat Enterprise Linux 6.



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