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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2013.1078 Security Bulletin: IBM Sterling B2B Integrator HTTP Range Header Vulnerability (CVE-2013-0494). 6 August 2013 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: IBM Sterling B2B Integrator Publisher: IBM Operating System: Windows UNIX variants (UNIX, Linux, OSX) Impact/Access: Denial of Service -- Remote/Unauthenticated Resolution: Patch/Upgrade CVE Names: CVE-2013-0494 Original Bulletin: http://www-01.ibm.com/support/docview.wss?uid=swg21627989 - --------------------------BEGIN INCLUDED TEXT-------------------- Security Bulletin: IBM Sterling B2B Integrator HTTP Range Header Vulnerability (CVE-2013-0494). Flash (Alert) Document information Sterling B2B Integrator Software version: 5.0, 5.1 Operating system(s): All Reference #: 1627989 Modified date: 2013-03-11 Abstract IBM Sterling B2B Integrator is subject to HTTP Byte Range Denial Of Service attacks. Content VULNERABILITY DETAILS: CVE ID: CVE-2013-0494 DESCRIPTION: IBM Sterling B2B Integrator is subject to HTTP Byte Range Denial Of Service attacks. Specially crafted HTTP Range or Request-Range request headers can cause memory and CPU exhaustion. A remote, unauthenticated attacker could exploit this to make the system unresponsive. CVSS: CVSS Base Score: 5 CVSS Temporal Score: See http://xforce.iss.net/xforce/xfdb/82009 for the current score CVSS Environmental Score*: Undefined CVSS Vector: (AV:N/AC:L/Au:N/C:N/I:N/A:P) AFFECTED PRODUCTS: IBM Sterling B2B Integrator 5.1, 5.0 REMEDIATION: Apply fix pack 5104. Apply fix pack 5010, APAR IC82726 Workaround(s): None known. Mitigation(s): None known. CHANGE HISTORY: 11 Mar, 2013: Initial Version July 30, 2013: Changed affected products section to include Sterling B2B Integrator 5.0 and remediation section to include 5010 REFERENCES: Complete CVSS Guide On-line Calculator V2 X-Force Vulnerability Database: http://xforce.iss.net/xforce/xfdb/82009 CVE-2013-0494 *The CVSS Environment Score is customer environment specific and will ultimately impact the Overall CVSS Score. Customers can evaluate the impact of this vulnerability in their environments by accessing the links in the Reference section of this Flash. Note: According to the Forum of Incident Response and Security Teams (FIRST), the Common Vulnerability Scoring System (CVSS) is an "industry open standard designed to convey vulnerability severity and help to determine urgency and priority of response." IBM PROVIDES THE CVSS SCORES "AS IS" WITHOUT WARRANTY OF ANY KIND, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. 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If you have any questions or need further information, please contact them directly. 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). 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