TPTI-10-05: Novell iPrint Client Browser Plugin Remote File Deletion Vulnerability http://dvlabs.tippingpoint.com/advisory/TPTI-10-05 August 4, 2010 -- CVSS: 7.8, (AV:N/AC:L/Au:N/C:N/I:N/A:C) -- Affected Vendors: Novell -- Affected Products: Novell iPrint -- TippingPoint(TM) IPS Customer Protection: TippingPoint IPS customers have been protected against this vulnerability by Digital Vaccine protection filter ID 10063. For further product information on the TippingPoint IPS, visit: http://www.tippingpoint.com -- Vulnerability Details: This vulnerability allows remote attackers to delete all files on a system with a vulnerable installation of the Novell iPrint Client. User interaction is required to exploit this vulnerability in that the target must visit a malicious page. The specific flaw exists within the nipplib.dll module that can be reached via the ienipp.ocx ActiveX control with CLSID 36723f97-7aa0-11d4-8919-FF2D71D0D32C. The CleanUploadFiles method appears to be used to remove temporary files within a contained directory. However, due to a logic flaw a remote attacker can abuse the function to force the process to recursively delete all files on the target system. -- Vendor Response: Novell has issued an update to correct this vulnerability. More details can be found at: http://download.novell.com/Download?buildid=ftwZBxEFjIg~ -- Disclosure Timeline: 2010-07-15 - Vulnerability reported to vendor 2010-08-04 - Coordinated public release of advisory -- Credit: This vulnerability was discovered by: * Aaron Portnoy, TippingPoint DVLabs
