GNUBoard contains a flaw that may allow a malicious user to upload arbitrary files. The issue is triggered when a filename is submitted to gbupdate.php with an extension with capital letters. It is possible that the flaw may allow arbitrary code execution resulting in a loss of integrity.
Classification
Location:
Remote/Network Access Required
Attack Type:
Input Manipulation
Impact:
Loss of Integrity
Exploit:
Exploit Available
Disclosure:
OSVDB Verified
OSVDB:
Web Related
Solution
Upgrade to version 3.40 or higher, as it has been reported to fix this vulnerability. An upgrade is required as there are no known workarounds.