08 October 2015
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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2015.2560 Security Bulletin: Multiple OpenSSL Vulnerabilities affect IBM WebSphere MQ 5.3 on HP NonStop (CVE-2015-1788) (CVE-2015-1789) (CVE-2015-1791) 8 October 2015 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: IBM WebSphere MQ Publisher: IBM Operating System: HP-UX Impact/Access: Denial of Service -- Remote/Unauthenticated Resolution: Patch/Upgrade CVE Names: CVE-2015-1791 CVE-2015-1789 CVE-2015-1788 Reference: ESB-2015.2016 ESB-2015.1968 ESB-2015.1878 ESB-2015.1844 ESB-2015.1811 ESB-2015.1809 ESB-2015.1789 ESB-2015.1727 ESB-2015.1699 ESB-2015.1670 ESB-2015.1569 ESB-2015.1561 ESB-2015.1557 ESB-2015.1544.2 ESB-2015.1540 Original Bulletin: http://www-01.ibm.com/support/docview.wss?uid=swg21966723 - --------------------------BEGIN INCLUDED TEXT-------------------- Security Bulletin: Multiple OpenSSL Vulnerabilities affect IBM WebSphere MQ 5.3 on HP NonStop (CVE-2015-1788) (CVE-2015-1789) (CVE-2015-1791) Security Bulletin Document information More support for: WebSphere MQ Security Software version: 5.3.1 Operating system(s): HP-UX Reference #: 1966723 Modified date: 2015-10-07 Summary OpenSSL vulnerabilities were disclosed on June 11, 2015 by the OpenSSL Project. OpenSSL is used by WebSphere MQ 5.3 (HPNSS) has addressed the applicable CVEs. Vulnerability Details CVEID: CVE-2015-1788 DESCRIPTION: OpenSSL is vulnerable to a denial of service, caused by an error when processing an ECParameters structure over a specially crafted binary polynomial field. A remote attacker could exploit this vulnerability to cause the application to enter into an infinite loop. CVSS Base Score: 5 CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/103778 for the current score CVSS Environmental Score*: Undefined CVSS Vector: (AV:N/AC:L/Au:N/C:N/I:N/A:P) CVEID: CVE-2015-1789 DESCRIPTION: OpenSSL is vulnerable to a denial of service, caused by an out-of-bounds read in X509_cmp_time. An attacker could exploit this vulnerability using a specially crafted certificate or CRL to trigger a segmentation fault. CVSS Base Score: 5 CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/103779 for the current score CVSS Environmental Score*: Undefined CVSS Vector: (AV:N/AC:L/Au:N/C:N/I:N/A:P) CVEID: CVE-2015-1791 DESCRIPTION: A double-free memory error in OpenSSL in the ssl3_get_new_session_ticket() function has an unknown impact. By returning a specially crafted NewSessionTicket message, an attacker could cause the client to reuse a previous ticket resulting in a race condition. CVSS Base Score: 5 CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/103609 for the current score CVSS Environmental Score*: Undefined CVSS Vector: (AV:N/AC:L/Au:N/C:N/I:P/A:N) Affected Products and Versions IBM WebSphere MQ V5.3 for HP NonStop Remediation/Fixes IBM WebSphere MQ V5.3 for HP NonStop A patched version of OpenSSL will be made available in WebSphere MQ v531.11 Patch 1, which will be available from your IBM Support representative. 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 v2 Guide On-line Calculator v2 Related information IBM Secure Engineering Web Portal IBM Product Security Incident Response Blog Acknowledgement None Change History 9/18/2015 *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 email@example.com 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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