(Apple Issues Fix for Mac OS X) Ruby Directory Traversal Flaw in WEBrick Library Lets Remote Users View Files on the Target System.
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SecurityTracker Alert ID: 1020399 |
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SecurityTracker URL: http://securitytracker.com/id/1020399
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CVE Reference:
CVE-2008-1145
(Links to External Site)
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Date: Jul 1 2008
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Impact:
Disclosure of system information, Disclosure of user information
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Fix Available: Yes Vendor Confirmed: Yes
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Version(s): 1.8.4 and prior versions; 1.8.5-p114 and prior 1.8.5.x versions; 1.8.6-p113 and prior 1.8.6.x versions; 1.9.0-1 and prior versions
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Description:
A vulnerability was reported in Ruby in the WEBrick web library. A remote user can view files on the target system.
The software does not properly validate user-supplied input. A remote user can supply a specially crafted request to view files on target system that are located outside of the document directory.
A demonstration exploit URL is provided:
http://[target]:[port]/..%5c..%5c..%5c..%5c..%5c..%5c..%5c..%5c..%5c..%5c/boot.ini
A remote user can also view files that match the patterns specified by the ':NondisclosureName' option on systems that have case insensitive filesystems.
The vendor was notified on February 20, 2008.
The original advisory is available at:
http://milw0rm.com/exploits/5215
Digital Security Research Group reported this vulnerability.
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Impact:
A remote user can view files on the target system.
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Solution:
Apple has issued a fix for Mac OS X (Security Update 2008-004 and Mac OS X 10.5.4), which can be downloaded and installed via Software Update preferences, or from Apple Downloads at:
http://www.apple.com/support/downloads/
The vendor's advisory is available at:
http://support.apple.com/kb/HT2163
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Vendor URL: www.ruby-lang.org/en/news/2008/03/03/webrick-file-access-vulnerability/ (Links to External Site)
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Cause:
Input validation error
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Underlying OS:
UNIX (OS X)
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Message History:
This archive entry is a follow-up to the message listed below.
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Source Message Contents
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[Original Message Not Available for Viewing]
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