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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2012.0826 Novell iPrint nipplib.dll client-file-name Parsing Remote Code Execution Vulnerability 30 August 2012 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: Novell iPrint Publisher: Zero Day Initiative Operating System: Windows Impact/Access: Execute Arbitrary Code/Commands -- Remote with User Interaction Resolution: Patch/Upgrade CVE Names: CVE-2011-4186 Original Bulletin: http://www.zerodayinitiative.com/advisories/ZDI-12-181/ - --------------------------BEGIN INCLUDED TEXT-------------------- Novell iPrint nipplib.dll client-file-name Parsing Remote Code Execution Vulnerability ZDI-12-181: August 29th, 2012 CVE ID CVE-2011-4186 CVSS Score 10, (AV:N/AC:L/Au:N/C:C/I:C/A:C) Affected Vendors Novell Affected Products iPrint TippingPoint IPS Customer Protection 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. Vendor Response 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 This vulnerability was discovered by: Ivan Rodriguez Almuina - --------------------------END INCLUDED TEXT-------------------- You have received this e-mail bulletin as a result of your organisation's registration with AusCERT. The mailing list you are subscribed to is maintained within your organisation, so if you do not wish to continue receiving these bulletins you should contact your local IT manager. If you do not know who that is, please send an email to auscert@auscert.org.au and we will forward your request to the appropriate person. NOTE: Third Party Rights This security bulletin is provided as a service to AusCERT's members. As AusCERT did not write the document quoted above, AusCERT has had no control over its content. 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Previous advisories and external security bulletins can be retrieved from: http://www.auscert.org.au/render.html?cid=1980 =========================================================================== Australian Computer Emergency Response Team The University of Queensland Brisbane Qld 4072 Internet Email: auscert@auscert.org.au Facsimile: (07) 3365 7031 Telephone: (07) 3365 4417 (International: +61 7 3365 4417) AusCERT personnel answer during Queensland business hours which are GMT+10:00 (AEST). On call after hours for member emergencies only. =========================================================================== -----BEGIN PGP SIGNATURE----- Comment: http://www.auscert.org.au/render.html?it=1967 iQIVAwUBUD8JAu4yVqjM2NGpAQI0DA/8DVDy46N59L7qynWy73HvQ/l8ah4Eizwj AKosrZaddam082KCKX0ZXL6Cn85+kRxP2yTGI8at0PU4SOHXUvfxJWOZ/Cj/ULe/ AJ61TQKD5KIlKN93JXxvf8B28cDwpMMrT+RpVsA48BQVL3uVzotPEFY8vzXC/173 kFUyVmqgPTJcwZrYSRATR/0ktw7eGMJjg30NngG2v3YNUhO2M2G9iy9jAFIKjX+g GPUqv8R/95W3mmBj7B+ypVWZjKh7KrSe8YClKDXlF4W8JJWCktSF4reLamkoAvZM VSaecIEq8fzAv2mgHh1GBJZUyiK1N/kLD9xkO6jI1s7VY//9v4YLIGs0atxAQSdp oMquGllCQqIYgq1Q6kxeoNzfgSEeejMO/c/CqCIH2EyJAqsOm4xMlEAzrzs+raC+ g8TZgpzZJk7kjrnrEKr+q54Ky26ux0aGwutK/kHd4vKN3Imgr6wwHS7Dq74FbXLv FpNH46cqdpzFUhfFdZtRuxwjW6ks3lAarJ+liByG7wz2Dfy0XiF6620B6GyAdMzP TU2QUzuFNL38CF8IlgweZ+eKXcvlGh4645z1BTVdpYouR7sQpD9H+fHLeTIS1LZV 7LnwLa4AagFSwAyGCV1qCX5V2NOaoDh8+F2c6SZqty0rcj5Swq5x81pnr/rZL+g3 67VjCvf+nBI= =XrtC -----END PGP SIGNATURE-----