Microsoft Crystal Reports Web Viewer contains a flaw that allows a remote attacker to view or delete files outside of the web path. The issue is due to the program not properly sanitizing user input, specifically traversal style attacks (../../). Systems are only vulnerable if they have an IIS server installed.
Classification
Location:
Remote/Network Access Required
Attack Type:
Denial of Service,
Information Disclosure,
Input Manipulation
Impact:
Loss of Confidentiality,
Loss of Integrity,
Loss of Availability
Exploit:
Exploit Available
Disclosure:
OSVDB Verified
OSVDB:
Web Related
Solution
Currently, there are no known workarounds or upgrades to correct this issue. However, Microsoft has released a patch to address this vulnerability.