CHM Lib contains a flaw that allows a remote attacker to extract arbitrary files outside of the web path. The issue is due to the 'extract_chmLib' example program not properly sanitizing user input, specifically directory traversal style attacks (../../).
Classification
Location:
Remote / Network Access
Attack Type:
Input Manipulation
Impact:
Loss of Integrity
Exploit:
Exploit Public
Disclosure:
Vendor Verified
OSVDB:
Web Related
Solution
Upgrade to version 0.38 or higher, as it has been reported to fix this vulnerability. An upgrade is required as there are no known workarounds.