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>> PHP Multiple Buffer Overflow and Restriction Bypass Vulnerabilities
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Multiple vulnerabilities have been identified in PHP, which could be exploited by attackers to bypass security restrictions, cause a denial of service or compromise a vulnerable web server.
The first issue is caused by an unspecified stack overflow error in FastCGI SAPI, which could be exploited to cause a denial of service or execute arbitrary code.
The second vulnerability is caused by an unspecified error within the processing of incomplete multibyte characters in "escapeshellcmd()".
The third issue is caused by an error with an unknown impact and unknown attack vectors.
The fourth vulnerability is caused by an error in cURL, which could be exploited by attackers to bypass "safe_mode" security restrictions.
The fifth issue is caused by an error in PCRE. For additional information, see : VUPEN/ADV-2008-0570
Affected Products
PHP versions prior to 5.2.6
Solution
Upgrade to PHP version 5.2.6 :
http://www.php.net/downloads.php
References
http://www.vupen.com/english/advisories/2008/1412
http://www.php.net/ChangeLog-5.php
Credits
Vulnerability reported by Andrei Nigmatulin, Stefan Esser, Rasmus and Maksymilian Arciemowicz.
ChangeLog
2008-05-02 : Initial release
Vulnerability Management
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