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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2018.1050 Security Bulletin: IBM Communications Server for Data Center Deployment, IBM Communications Server for AIX, IBM Communications Server for Linux, and IBM Communications Server for Linux on System z are affected by a vulnerability. 6 April 2018 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: IBM Communications Server Publisher: IBM Operating System: AIX Linux variants Impact/Access: Reduced Security -- Existing Account Resolution: Patch/Upgrade CVE Names: CVE-2018-1447 Original Bulletin: http://www.ibm.com/support/docview.wss?uid=swg22013978 - --------------------------BEGIN INCLUDED TEXT-------------------- Security Bulletin: IBM Communications Server for Data Center Deployment, IBM Communications Server for AIX, IBM Communications Server for Linux, and IBM Communications Server for Linux on System z are affected by a vulnerability. Security Bulletin Document information More support for: Communications Server for Data Center Deployment All Software version: 7.0.0.0 Operating system(s): AIX, Linux Reference #: 2013978 Modified date: 05 April 2018 Summary IBM Communications Server for Data Center Deployment, IBM Communications Server for AIX, IBM Communications Server for Linux, and IBM Communications Server for Linux on System z have addressed the following vulnerability: CVE-2018-1447 GSKit and GSKit-Crypto Security Advisory December 2017 Part 1 Vulnerability Details CVEID: CVE-2018-1447 DESCRIPTION: The GSKit CMS KDB logic fails to salt the hash function resulting in weaker than expected protection of passwords. A weak password may be recovered. Note: After update the customer should change password to ensure the new password is stored more securely. Products should encourage customers to take this step as a high priority action. CVSS Base Score: 5.1 CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/ 139972 for the current score CVSS Environmental Score*: Undefined CVSS Vector: (CVSS:3.0/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N) Affected Products and Versions +---------------------------------------------------------------------+-----------------+ |Affected IBM Communications Server for Linux & CS for Linux on System|Affected Versions| | z | | +---------------------------------------------------------------------+-----------------+ |Communications Server for Data Center Deployment |700 | +---------------------------------------------------------------------+-----------------+ |Communications Server for AIX |640 | +---------------------------------------------------------------------+-----------------+ |Communications Server for Linux |640 | +---------------------------------------------------------------------+-----------------+ |Communications Server for Linux on System z |640 | +---------------------------------------------------------------------+-----------------+ Remediation/Fixes +---------------------------------+-------------+--------+-----------------------------+ | Product | VRMF | APAR | Remediation / First Fix | +---------------------------------+-------------+--------+-----------------------------+ |Communications Server for Data |7.0.0.4 |(AIX) |(AIX) Link to FIX | |Center Deployment | |IJ03789 |(LINUX) | | | |(LINUX) |Link to FIX on i686 | | | |LI79870 |Link to FIX on x86_64 | | | | |Link to FIX on ppc | | | | |Link to FIX on s390x | +---------------------------------+-------------+--------+-----------------------------+ |Communications Server for AIX |6.4.0.7 |IJ03797 |Link to FIX | +---------------------------------+-------------+--------+-----------------------------+ | | | |Link to FIX on i686 | |Communications Server for Linux |6.4.0.7 |LI79880 |Link to FIX on x86_64 | | | | |Link to FIX on ppc | +---------------------------------+-------------+--------+-----------------------------+ |Communications Server for Linux |6.4.0.7 |LI79891 |Link to FIX | |on System z | | | | +---------------------------------+-------------+--------+-----------------------------+ 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 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. Cross reference information Segment Product Component Platform Version Edition Communications 6.4, 6.4.0.1, Networking Server for AIX All AIX 6.4.0.2, 6.4.0.3, 6.4.0.4, 7.0.0.0 Communications 6.4, 6.4.0.1, Networking Server for Linux All Linux 6.4.0.2, 6.4.0.3, 6.4.0.4, 7.0.0.0 Communications 6.4, 6.4.0.1, Networking Server for Linux All Linux 6.4.0.2, 6.4.0.3, on zSeries 6.4.0.4, 7.0.0.0 Communications 6.1.3, 6.4, 6.4.0.1, Networking Server for Windows All Windows 6.4.0.2, 6.4.0.3, 6.4.0.4 Product Alias/Synonym Communications Server commserver comm server sna csaix cslinux - --------------------------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: https://www.auscert.org.au/bulletins/ =========================================================================== 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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