Advisory Details

August 29th, 2012

Novell iPrint nipplib.dll client-file-name Parsing Remote Code Execution Vulnerability

CVE ID	CVE-2011-4186
CVSS SCORE	10.0, AV:N/AC:L/Au:N/C:C/I:C/A:C
AFFECTED VENDORS	Novell
AFFECTED PRODUCTS	iPrint
TREND MICRO CUSTOMER PROTECTION	Trend Micro TippingPoint IPS customers are protected against this vulnerability by Digital Vaccine protection filter ID ['11195']. For further product information on the TippingPoint IPS: http://www.tippingpoint.com
VULNERABILITY DETAILS	This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Novell iPrint Client. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The flaw exists within the nipplib component which is used by both the ActiveX and Netscape compatible browser plugins as well as the Microsoft Windows spooler service. When handling certain requests the client-file-name parameter is improperly copied to a local stack buffer. A remote attacker can exploit this vulnerability to execute arbitrary code under the context of the SYSTEM.
ADDITIONAL DETAILS	Novell has issued an update to correct this vulnerability. More details can be found at: http://www.novell.com/support/kb/doc.php?id=7008708
DISCLOSURE TIMELINE	2011-12-22 - Vulnerability reported to vendor 2012-08-29 - Coordinated public release of advisory
CREDIT	Ivan Rodriguez Almuina

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