phpBB 2.0.17 and earlier, when register_globals is enabled and the
session_start function has not been called to handle a session, allows
remote attackers to bypass security checks by setting the $_SESSION
and $HTTP_SESSION_VARS variables to strings instead of arrays, which
causes an array_merge function call to fail.
Note:References are provided for the convenience of the reader to help distinguish between vulnerabilities. The list is not intended to be complete.
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the CVE-ID was allocated or reserved, and does not
necessarily indicate when this vulnerability was
discovered, shared with the affected vendor, publicly
disclosed, or updated in CVE.
This is an entry on the CVE
list, which standardizes names for security