PHP Validation Flaw in utf8_decode() Permits Cross-Site Scripting Attacks and Lets Remote Users Inject SQL Commands
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SecurityTracker Alert ID: 1024797 |
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SecurityTracker URL: http://securitytracker.com/id/1024797
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CVE Reference:
CVE-2010-3870
(Links to External Site)
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Date: Nov 29 2010
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Impact:
Disclosure of authentication information, Disclosure of system information, Disclosure of user information, Execution of arbitrary code via network, Modification of user information, User access via network
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Fix Available: Yes Vendor Confirmed: Yes Exploit Included: Yes
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Version(s): 5.3.3 and prior versions
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Description:
A vulnerability was reported in PHP. A remote user can conduct cross-site scripting attacks. A remote user can inject SQL commands.
The utf8_decode() function does not properly handle certain specially crafted sequences in UTF-8 data. A remote user can exploit this to bypass SQL and cross-site scripting filters.
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Impact:
A remote user can access the target user's cookies (including authentication cookies), if any, associated with the site running the PHP software, access data recently submitted by the target user via web form to the site, or take actions on the site acting as the target user.
A remote user can execute SQL commands on the underlying database.
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Solution:
The vendor has issued a source code fix [in October 2010].
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Vendor URL: www.php.net/ (Links to External Site)
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Cause:
Input validation error
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Underlying OS: Linux (Any), UNIX (Any), Windows (Any)
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Message History:
This archive entry has one or more follow-up message(s) listed below.
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Source Message Contents
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[Original Message Not Available for Viewing]
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