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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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Popularity:
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8,952 views
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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
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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.
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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About this Secunia Advisory
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Please note: The information that this Secunia Advisory is based on comes from a third party unless stated otherwise.
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