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PHP "FILTER_VALIDATE_EMAIL" Filter Newline Injection
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Secunia Advisory:
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SA24824
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Release Date:
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2007-04-09
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Last Update:
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2007-06-01
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Critical:
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Less critical
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Impact:
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Security Bypass
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Where:
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From remote
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Solution Status:
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Vendor Patch
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| Software: | PHP 5.1.x
PHP 5.2.x
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| | CVE reference: | CVE-2007-1900 (Secunia mirror)
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Description:
Stefan Esser has reported a vulnerability in PHP, which can be exploited by malicious people to bypass certain security restrictions.
The vulnerability is caused due to the use of an incorrect regular expression within the "FILTER_VALIDATE_EMAIL" filter of the ext/filter extension. This can be exploited to inject newlines via specially crafted email addresses, which may allow mail header injection.
The vulnerability is reported in PHP 5.2.0 and 5.2.1. Other versions may also be affected.
Do you have this product installed on your home computer? Scan using the free Personal Software Inspector. Check if a vulnerable version is installed on computers in your corporate network, scan using the Network Software Inspector.
Solution:
Update to version 5.2.3.
http://www.php.net/downloads.php#v5
Provided and/or discovered by:
Stefan Esser
Changelog:
2007-04-12: Added CVE reference.
2007-06-01: Updated "Solution" section. Added link to "Original Advisory" section.
Original Advisory:
PHP:
http://www.php.net/releases/5_2_3.php
http://www.php-security.org/MOPB/PMOPB-45-2007.html
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Please note: The information that this Secunia Advisory is based on comes from a third party unless stated otherwise.
Secunia collects, validates, and verifies all vulnerability reports issued by security research groups, vendors, and others.
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