Two vulnerabilities have been identified in PHP, which could be exploited by malicious users to bypass security restrictions and execute arbitrary commands.
The first issue is due to a memory corruption error in the "array_user_key_compare()" function when destroying ZVALs, which could be exploited by attackers to bypass PHP restrictions and execute arbitrary commands on the underlying operating system via a malicious PHP script.
The second vulnerability is due to a buffer overflow error in the "isc_attach_database()" [gds32.dll] routine when processing malformed arguments passed to an "ibase_connect()" or "ibase_pconnect()" function, which could be exploited by attackers to bypass security restrictions and execute arbitrary commands on a system where the PHP Interbase extension is enabled (disabled by default).
Credits
Vulnerabilities reported by Stefan Esser and rgod
ChangeLog
2007-03-16 : Initial release
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