phpCOIN contains a flaw that allows a remote attacker to arbitrary access files outside of the web path. The issue is due to the 'auxpage.php' script not properly sanitizing user input, specifically traversal style attacks (../../) supplied via the 'page' variable.
Classification
Location:
Remote / Network Access
Attack Type:
Input Manipulation
Impact:
Loss of Integrity
Exploit:
Exploit Public
OSVDB:
Web Related
Solution
Upgrade to version 1.2.2 or higher, as it has been reported to fix this vulnerability. An upgrade is required as there are no known workarounds.