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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2008.0532 -- [Win] IBM Lotus Sametime Community Services Multiplexer Stack Overflow Vulnerability 3 June 2008 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: IBM Lotus Sametime Publisher: Zero Day Initiative Operating System: Windows Impact: Execute Arbitrary Code/Commands Access: Remote/Unauthenticated CVE Names: CVE-2008-2499 Original Bulletin: http://www.zerodayinitiative.com/advisories/ZDI-08-028 Revision History: June 3 2008: Added CVE Reference May 23 2008: Initial Release - --------------------------BEGIN INCLUDED TEXT-------------------- ZDI-08-028: IBM Lotus Sametime Community Services Multiplexer Stack Overflow Vulnerability http://www.zerodayinitiative.com/advisories/ZDI-08-028 May 21, 2008 - -- Affected Vendors: IBM - -- Affected Products: IBM Lotus Sametime - -- TippingPoint(TM) IPS Customer Protection: TippingPoint IPS customers have been protected against this vulnerability by Digital Vaccine protection filter ID 5607, 5698. 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 IBM Lotus Sametime. Authentication is not required to exploit this vulnerability. The specific flaw exists in the handling of long URLs in the Community Services Multiplexer (StMux.exe) listening on TCP port 1533. A specially crafted URL can be passed into a vulnerable sscanf() function that will result in a stack overflow resulting in the ability to execute arbitrary code. - -- Vendor Response: IBM has issued an update to correct this vulnerability. More details can be found at: http://www.ibm.com/support/docview.wss?rs=463&uid=swg21303920 - -- Disclosure Timeline: 2007-12-11 - Vulnerability reported to vendor 2008-05-21 - Coordinated public release of advisory - -- Credit: This vulnerability was discovered by: * Manuel Santamarina Suarez - -- 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/ CONFIDENTIALITY NOTICE: This e-mail message, including any attachments, is being sent by 3Com for the sole use of the intended recipient(s) and may contain confidential, proprietary and/or privileged information. Any unauthorized review, use, disclosure and/or distribution by any recipient is prohibited. If you are not the intended recipient, please delete and/or destroy all copies of this message regardless of form and any included attachments and notify 3Com immediately by contacting the sender via reply e-mail or forwarding to 3Com at postmaster@3com.com. - --------------------------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 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 iQCVAwUBSER7cyh9+71yA2DNAQJmiwQAgDc+ZNS7qL5Ew+OauYsrWYSTNjURRCxQ 00jND3HWn1hXEUXSwH5yXGpPwMYPMfk04sLn57u50b+ABK0Tj0UpSTjkGl9dQHo9 qIDpnbHAlHdKJKPoJ3T/s8q+JVnju9ZE2FxDnmYZeJFUgybfUMCogVzsvdccl0Nw A84yp4+nXZI= =CK9Q -----END PGP SIGNATURE-----