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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2009.1426 Multiple IBM Informix products .nfx buffer overflow 15 October 2009 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: IBM Informix Client SDK 3.50 IBM Informix Connect 3.0 IBM Informix Setnet32.exe utility 3.50.0.13752 Publisher: ISS Operating System: AIX HP-UX Linux variants Mac OS X Solaris HP Tru64 SCO Windows Impact/Access: Execute Arbitrary Code/Commands -- Remote with User Interaction Resolution: None CVE Names: CVE-2009-3691 Original Bulletin: http://xforce.iss.net/xforce/xfdb/53644 - --------------------------BEGIN INCLUDED TEXT-------------------- Multiple IBM Informix products .nfx buffer overflow informix-nfx-bo (53644) The risk level is classified as High Risk Description: Multiple IBM Informix products are vulnerable to a stack-based buffer overflow, caused by improper bounds checking when processing .nfx files. By persuading a victim to open a specially-crafted .nfx file containing an overly long HostList entry, a remote attacker could overflow a buffer and execute arbitrary code on the system or cause the application to crash. CVSS: Base Score: 6.8 Access Vector: Network Access Complexity: Medium Authentication: None Confidentiality Impact: Partial Integrity Impact: Partial Availability Impact: Partial Temporal Score: 6.1 Exploitability: Functional Remediation Level: Unavailable Report Confidence: Uncorroborated Consequences: Gain Access Remedy: No remedy available as of October 12, 2009. References: * IBM Web site: Informix Client Software Development Kit and Informix Connect. * Retrogod Web Site: IBM Informix Client SDK 3.0 SetNet32 File (.nfx) Hostsize integer overflow exploit. * BID-36588: IBM Informix Products Setnet32 Utility '.nfx' File Buffer Overflow Vulnerability * CVE-2009-3691: Multiple integer overflows in setnet32.exe 3.50.0.13752 in IBM Informix Client SDK 3.0 and 3.50 and Informix Connect Runtime 3.x allow remote attackers to execute arbitrary code via a .nfx file with a crafted (1) HostSize, and possibly (2) ProtoSize and (3) ServerSize, field that triggers a stack-based buffer overflow involving a crafted HostList field. NOTE: some of these details are obtained from third party information. * SA36949: IBM Informix Products Setnet32 Utility ".nfx" Processing Buffer Overflow Platforms Affected: * IBM Informix Client SDK 3.50 * IBM Informix Connect 3.0 * IBM Informix Setnet32.exe utility 3.50.0.13752 Reported: Oct 05, 2009 The information within this database may change without notice. Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. In no event shall the author/distributor (IBM Internet Security Systems X-Force) be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information. For corrections or additions please email xforce@iss.net - --------------------------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. The decision to follow or act on information or advice contained in this security bulletin is the responsibility of each user or organisation, and should be considered in accordance with your organisation's site policies and procedures. 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Previous advisories and external security bulletins can be retrieved from: http://www.auscert.org.au/render.html?cid=1980 If you believe that your computer system has been compromised or attacked in any way, we encourage you to let us know by completing the secure National IT Incident Reporting Form at: http://www.auscert.org.au/render.html?it=3192 =========================================================================== 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 iD8DBQFK18IHNVH5XJJInbgRAnVpAJ4uRkk7AwM4PGiNoEYkpo4+9F3C6QCgiO1j rq4XeeJ5E+gqTveOaxC/XnU= =b4L0 -----END PGP SIGNATURE-----