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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2014.0963 Security Bulletin: Apply CICS TS PTFs to avoid storage overlays when using CEMT (CVE-2014-3042) 12 June 2014 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: IBM CICS Transaction Server Publisher: IBM Operating System: z/OS Impact/Access: Execute Arbitrary Code/Commands -- Existing Account Denial of Service -- Existing Account Resolution: Patch/Upgrade CVE Names: CVE-2014-3042 Original Bulletin: http://www-01.ibm.com/support/docview.wss?uid=swg21675195 - --------------------------BEGIN INCLUDED TEXT-------------------- Security Bulletin: Apply CICS TS PTFs to avoid storage overlays when using CEMT (CVE-2014-3042) Security Bulletin Document information More support for: CICS Transaction Server Software version: 3.1, 3.2, 4.1, 4.2, 5.1 Operating system(s): z/OS Reference #: 1675195 Modified date: 2014-06-06 Summary Incorrect 3270 data stream received from a 3270 emulator can cause transaction CEMT to overlay storage in all supported versions of CICS Transaction Server for z/OS (CICS TS). Vulnerability Details CVE ID: CVE-2014-3042 DESCRIPTION: CICS Transaction Server for z/OS security problem caused by use of incorrect 3270 data stream. CVSS: CVSS Base Score: 4.9 CVSS Temporal Score: See http://xforce.iss.net/xforce/xfdb/93338 for the current score CVSS Environmental Score*: Undefined CVSS Vector: (AV:N/AC:M/Au:S/C:P/I:P/A:N) Affected Products and Versions CICS Transaction Server for z/OS 3.1 CICS Transaction Server for z/OS 3.2 CICS Transaction Server for z/OS 4.1 CICS Transaction Server for z/OS 4.2 CICS Transaction Server for z/OS 5.1 Remediation/Fixes Apply PTF UI18009 for CICS TS V3.1 security integrity APAR PI16710. Apply PTF UI18010 for CICS TS V3.2 security integrity APAR PI16710. Apply PTF UI18048 for CICS TS V4.1 security integrity APAR PI16726. Apply PTF UI18049 for CICS TS V4.2 security integrity APAR PI16726. Apply PTF UI18050 for CICS TS V5.1 security integrity APAR PI16727. Security integrity APARs are not on the web. See Ordering CICS products and maintenance if you need additional information about downloading or ordering the PTFs. Workarounds and Mitigations None Important note IBM strongly suggests that all System z customers be subscribed to the System z Security Portal to receive the latest critical System z security and integrity service. If you are not subscribed, see the instructions on the System z Security web site. Security and integrity APARs and associated fixes will be posted to this portal. IBM suggests reviewing the CVSS scores and applying all security or integrity fixes as soon as possible to minimize any potential risk. References Complete CVSS Guide On-line Calculator V2 Related information IBM Secure Engineering Web Portal IBM Product Security Incident Response Blog *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. Product Alias/Synonym CICS/TS CICS TS CICS Transaction Server - --------------------------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. AusCERT takes no responsibility for consequences which may arise from following or acting on information or advice contained in this security bulletin. NOTE: This is only the original release of the security bulletin. It may not be updated when updates to the original are made. If downloading at a later date, it is recommended that the bulletin is retrieved directly from the author's website to ensure that the information is still current. Contact information for the authors of the original document is included in the Security Bulletin above. 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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