-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 ZDI-12-102 : Novell iPrint Client nipplib.dll GetDriverSettings realm Remote Code Execution Vulnerability http://www.zerodayinitiative.com/advisories/ZDI-12-102 June 27, 2012
- -- CVE ID: CVE-2011-4187 - -- CVSS: 9, AV:N/AC:L/Au:N/C:P/I:P/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 12404. For further product information on the TippingPoint IPS, visit: 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 in that a target must visit a malicious page or open a malicious file. The flaw exists within the exposed GetDriverSettings method in the nipplib component imported by ienipp and npnipp. When encountering a realm parameter this user supplied value's length is not properly verified before copying into a fixed length buffer on the stack. A remote attacker can exploit this vulnerability to execute arbitrary code under the context of the process. - -- Vendor Response: Novell has issued an update to correct this vulnerability. More details can be found at: http://www.novell.com/support/viewContent.do?externalId=7010143 - -- Disclosure Timeline: 2011-10-21 - Vulnerability reported to vendor 2012-06-27 - Coordinated public release of advisory - -- Credit: This vulnerability was discovered by: * gwslabs.com - -- About the Zero Day Initiative (ZDI): Established by TippingPoint, The Zero Day Initiative (ZDI) represents a best-of-breed model for rewarding security researchers for responsibly disclosing discovered vulnerabilities. Researchers interested in getting paid for their security research through the ZDI can find more information and sign-up at: http://www.zerodayinitiative.com The ZDI is unique in how the acquired vulnerability information is used. TippingPoint does not re-sell the vulnerability details or any exploit code. Instead, upon notifying the affected product vendor, TippingPoint provides its customers with zero day protection through its intrusion prevention technology. Explicit details regarding the specifics of the vulnerability are not exposed to any parties until an official vendor patch is publicly available. Furthermore, with the altruistic aim of helping to secure a broader user base, TippingPoint provides this vulnerability information confidentially to security vendors (including competitors) who have a vulnerability protection or mitigation product. Our vulnerability disclosure policy is available online at: http://www.zerodayinitiative.com/advisories/disclosure_policy/ Follow the ZDI on Twitter: http://twitter.com/thezdi -----BEGIN PGP SIGNATURE----- Version: PGP Desktop 10.2.0 (Build 1950) Charset: utf-8 wsBVAwUBT+snwlVtgMGTo1scAQKWxQf+Pm3bZYUIAhpENJibHKzD1Og2E0xZy7NZ +IoAZlmIZKjAGCM8KVCZ14oB2En16ZaQsrNT4mqBrAgQc9UXPF0/mEOwatPrD0AB RM3XxnUH8znNtETliP+xJWgAtfKuwgIViNXoQ1PZEQXG63hSR5eR1HNopIR32hl+ pDv9iINzn15QTgyNplMWbq/1mskFoX+qWLn7M2psR7lTwdcM6TRAVhRlKfkpt3I1 OeXoVAEhD64adtjgVIRlj/GJFjkqCdgHa/UGjHRpVyqW0xC8WVNrxTEOYQ1Or/oD 3zOUo+Yj13dhK4zXi2DHy/FBrVYdcZ54yrKD7ar1XzJMulex/Z40vQ== =hXUu -----END PGP SIGNATURE----- _______________________________________________ Full-Disclosure - We believe in it. Charter: http://lists.grok.org.uk/full-disclosure-charter.html Hosted and sponsored by Secunia - http://secunia.com/