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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2014.2430 Security Bulletin: IBM DB2 XML Query Will Cause Excessive CPU Usage (CVE-2014-8901) 17 December 2014 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: IBM DB2 Publisher: IBM Operating System: AIX HP-UX Linux variants Solaris Windows Impact/Access: Denial of Service -- Existing Account Resolution: Patch/Upgrade CVE Names: CVE-2014-8901 Original Bulletin: http://www-01.ibm.com/support/docview.wss?uid=swg21692358 - --------------------------BEGIN INCLUDED TEXT-------------------- Security Bulletin: IBM DB2 XML Query Will Cause Excessive CPU Usage (CVE-2014-8901) Security Bulletin Document information More support for: DB2 for Linux, UNIX and Windows Software version: 9.5, 9.7, 9.8, 10.1, 10.5 Operating system(s): AIX, HP-UX, Linux, Solaris, Windows Software edition: Advanced Enterprise Server, Advanced Workgroup Server, Enterprise Server, Express, Express-C, Personal, Workgroup Server Reference #: 1692358 Modified date: 2014-12-15 Summary IBM DB2 contains a security vulnerability which could allow a remote, authenticated user to exploit a vulnerability in DB2's XML library to cause a disruption of service. Vulnerability Details CVE ID: CVE-2014-8901 DESCRIPTION: IBM DB2 contains a disruption of service vulnerability. A remote, authenticated user can issue a specially crafted XML query to cause DB2 to increase CPU usage and create serious performance degradation to the system. CVSS: CVSS Base Score: 4.0 CVSS Temporal Score: See http://xforce.iss.net/xforce/xfdb/99110 for the current score CVSS Environmental Score*: Undefined CVSS String: (AV:N/AC:L/Au:S/C:N/I:N/A:P) Affected Products and Versions All fix pack levels of IBM DB2 V9.5, V9.7, V10.1 and V10.5 editions listed below and running on AIX, Linux, HP, Solaris or Windows are affected. IBM DB2 Express Edition IBM DB2 Workgroup Server Edition IBM DB2 Enterprise Server Edition IBM DB2 Advanced Enterprise Server Edition IBM DB2 Advanced Workgroup Server Edition IBM DB2 Connect Application Server Edition IBM DB2 Connect Enterprise Edition IBM DB2 Connect Unlimited Edition for System i IBM DB2 Connect Unlimited Edition for System z The DB2 Connect products mentioned are affected only if a local database has been created. IBM DB2 pureScale Feature for Enterprise Server Edition, V9.8, running on AIX or Linux is affected. Remediation/Fixes The recommended solution is to apply the appropriate fix for this vulnerability. FIX: The fix for DB2 and DB2 Connect V10.5 is in V10.5 FP5, available for download from Fix Central. Customers running any vulnerable fixpack level of an affected Program, V9.5, V9.7, V9.8, or V10.1 can contact support to obtain a special build containing an interim fix for this issue. These special builds are available based on the most recent fixpack level for each impacted release: DB2 V9.5 FP10, V9.7 FP10, DB2 V9.8 FP5 or DB2 v10.1 FP4. They can be applied to any affected fixpack level of the appropriate release to remediate this vulnerability. Additionally fixes based on DB2 V9.5 FP9, V9.7 FP9a or DB2 V10.1 FP3a will be made available on request. Refer to the folowing chart to determine how to proceed to obtain a needed fixpack or special build. Release Fixed in fix pack APAR Download URL V9.5 TBD IT05936 Please contact technical support. V9.7 TBD IT05937 Please contact technical support. V9.8 TBD IT05938 Please contact technical support. V10.1 TBD IT05939 Please contact technical support. V10.5 FP5 IT05933 http://www.ibm.com/support/docview.wss?uid=swg24038828 Contact Technical Support: In the United States and Canada dial 1-800-IBM-SERV View the support contacts for other countries outside of the United States. Electronically open a Service Request with DB2 Technical Support. Note: IBMs statements regarding its plans, directions, and intent are subject to change or withdrawal without notice at IBMs sole discretion. Information regarding potential future products is intended to outline our general product direction and it should not be relied on in making a purchasing decision. The information mentioned regarding potential future products is not a commitment, promise, or legal obligation to deliver any material, code or functionality. Information about potential future products may not be incorporated into any contract. The development, release, and timing of any future features or functionality described for our products remains at our sole discretion. Workarounds and Mitigations None. Get Notified about Future Security Bulletins Subscribe to My Notifications to be notified of important product support alerts like this. References Complete CVSS Guide On-line Calculator V2 Related information IBM Secure Engineering Web Portal IBM Product Security Incident Response Blog Acknowledgement The vulnerability was reported to IBM by Danny Tsechansky. Change History December 15, 2014: Original Version Published *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 Security Bulletin. Disclaimer 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. CUSTOMERS ARE RESPONSIBLE FOR ASSESSING THE IMPACT OF ANY ACTUAL OR POTENTIAL SECURITY VULNERABILITY. - --------------------------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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