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>> PHP Multiple Function Remote Integer Overflow and Security Bypass Vulnerabilities
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Multiple vulnerabilities have been identified in PHP, which could be exploited by attackers to bypass security checks, cause a denial of service or execute arbitrary code.
The first issue is caused by an infinite loop in the "imagecreatefrompng()" function, which could be exploited to create a denial of service condition
The second vulnerability is caused by an error within the "realpath()" function, which could be exploited to bypass "open_basedir" and "safe_mode" restrictions.
Affected Products
PHP version 5.2.2 and prior
Solution
Upgrade to PHP version 5.2.3 :
http://www.php.net/downloads.php
References
http://www.vupen.com/english/advisories/2007/2016
http://www.php.net/releases/5_2_3.php
Credits
Vulnerabilities reported by the vendor and Xavier Roche.
ChangeLog
2007-06-01 : Initial release
2007-06-04 : Chunk_split Issue Removed
Vulnerability Management
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