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PHP "readwbmp()" Integer Overflow Vulnerability
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Secunia Advisory:
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SA24814
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Release Date:
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2007-04-10
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Last Update:
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2007-05-04
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Popularity:
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9,047 views
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Critical:
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Less critical
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Impact:
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DoS
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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 4.3.x
PHP 4.4.x
PHP 5.0.x
PHP 5.1.x
PHP 5.2.x
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| CVE reference: | CVE-2007-1001
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Description:
Ivan Fratric has reported a vulnerability in PHP, which potentially can be exploited by malicious people to cause a DoS (Denial of Service).
The vulnerability is caused due to an integer overflow within the "readwbmp()" function in ext/gd/libgd/wbmp.c. This can be exploited to e.g. cause a DoS by tricking a PHP script into loading a specially crafted wbmp image.
The vulnerability is reported in version 5.2.1. Other versions may also be affected.
Solution:
Update to version 5.2.2 or 4.4.7.
Provided and/or discovered by:
Ivan Fratric
Changelog:
2007-05-04: Updated "Solution" section.
Original Advisory:
PHP:
http://www.php.net/releases/4_4_7.php
http://www.php.net/releases/5_2_2.php
http://ifsec.blogspot.com/2007/04/php-521-wbmp-file-handling-integer.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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