Claroline contains a flaw that allows a remote attacker to view arbitrary files outside of the web path. The issue is due to the 'rqmkhtml.php' script not properly sanitizing user input, specifically directory traversal style attacks (../../) supplied via the 'file' variable.
Classification
Location:
Remote / Network Access
Attack Type:
Information Disclosure,
Input Manipulation
Impact:
Loss of Confidentiality
Exploit:
Exploit Public
Disclosure:
OSVDB Verified,
Vendor Verified
OSVDB:
Web Related
Solution
Upgrade to version 1.7.5 or higher, as it has been reported to fix this vulnerability. An upgrade is required as there are no known workarounds.