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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2017.2512 Security Bulletin: Vulnerabilities in OpenSSL affect IBM Sterling Connect:Direct for OpenVMS (CVE-2016-2183) 5 October 2017 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: IBM Sterling Connect Publisher: IBM Operating System: OpenVMS Impact/Access: Access Privileged Data -- Remote/Unauthenticated Resolution: Patch/Upgrade CVE Names: CVE-2016-2183 Reference: ASB-2017.0102 ESB-2017.2469 ESB-2017.2326 ESB-2017.2265 ESB-2017.2008 ESB-2017.1959 Original Bulletin: http://www.ibm.com/support/docview.wss?uid=swg22008947 - --------------------------BEGIN INCLUDED TEXT-------------------- Security Bulletin: Vulnerabilities in OpenSSL affect IBM Sterling Connect:Direct for OpenVMS (CVE-2016-2183) Security Bulletin Document information More support for: Sterling Connect:Direct for OpenVMS Software version: 3.6 Operating system(s): OpenVMS Software edition: All Editions Reference #: 2008947 Modified date: 04 October 2017 Summary OpenSSL is used by IBM Sterling Connect:Direct for OpenVMS. IBM Sterling Connect:Direct for OpenVMS has addressed the applicable CVEs. Vulnerability Details CVEID: CVE-2016-2183 DESCRIPTION: OpenSSL could allow a remote attacker to obtain sensitive information, caused by an error in the Triple-DES on 64-bit block cipher, used as a part of the SSL/TLS protocol. By capturing large amounts of encrypted traffic between the SSL/TLS server and the client, a remote attacker able to conduct a man-in- the-middle attack could exploit this vulnerability to recover the plaintext data and obtain sensitive information. This vulnerability is known as the SWEET32 Birthday attack. CVSS Base Score: 3.7 CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/116337 for the current score CVSS Environmental Score*: Undefined CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N) Affected Products and Versions IBM Sterling Connect:Direct for OpenVMS 3.6.0 Remediation/Fixes The recommended solution is to apply the fix as soon as practical. Please see below for information about the available fixes. VRMF APAR Remediation/First Fix 3.6.0 IT22551 Apply Fix Pack 3.6.0.5, available on Fix Central Workarounds and Mitigations In versions of IBM Sterling Connect:Direct for OpenVMS older than 3.6.0.5, deselect the Triple-DES (3DES) cipher suite if it is specified in the Secure+ configuration. To avoid production outages when switching to another cipher, coordinate the configuration change to an agreed cipher with the security administrator of each remote node with which you use Secure+. The recommended cipher suite is AES128-SHA or AES256-SHA. 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 v3 Guide On-line Calculator v3 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. - --------------------------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 =========================================================================== 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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