phpbb contains a flaw that allows remote code execution. This flaw exists because the application does not validate the 'signature_bbcode_uid' variable upon submission to the 'usercp_register.php' script. This could allow a user to execute remote code, leading to a loss of integrity.
Classification
Location:
Remote / Network Access
Attack Type:
Input Manipulation
Impact:
Loss of Integrity
Exploit:
Exploit Unknown
OSVDB:
Web Related
Solution
Upgrade to version 2.0.18 or higher, as it has been reported to fix this vulnerability. An upgrade is required as there are no known workarounds.