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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2019.0898 IBM Security Bulletin: This Power System update is being released to address CVE-2018-12384 20 March 2019 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: Power 9 Systems Publisher: IBM Operating System: Network Appliance Impact/Access: Access Confidential Data -- Remote/Unauthenticated Resolution: Patch/Upgrade CVE Names: CVE-2018-12384 Reference: ESB-2019.0795 ESB-2019.0793 ESB-2019.0783 ESB-2019.0780 Original Bulletin: http://www.ibm.com/support/docview.wss?uid=ibm10873162 - --------------------------BEGIN INCLUDED TEXT-------------------- This Power System update is being released to address CVE-2018-12384 Product: Power 9 Systems Software version: FW920 Operating system(s): Firmware Reference #: 0873162 Security Bulletin Summary POWER9: In response to a data leak vulnerability in the network security services, a new Power Systems firmware update is being released to address Common Vulnerabilities and Exposures issue number CVE-2018-12384. This man-in-the-middle attack could provide false completion or errant network transactions or exposure of sensitive data from intercepted SSL connections to ASMI, Redfish, or the service processor message server. Vulnerability Details CVEID: CVE-2018-12384 DESCRIPTION: Network Security Services (NSS) could allow a remote attacker to obtain sensitive information, caused by the improper handling of an SSLv2-compatible ClientHello message. By conducting a passive replay attack, an attacker could exploit this vulnerability to obtain sensitive information. CVSS Base Score: 4.8 CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/ 150436 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:L/A:N) Affected Products and Versions Firmware release FW920 is affected. Remediation/Fixes Customers with the products below, install FW920.30 1) IBM Power Systems E950(9040-MR9) 2) IBM Power Systems E980(9080-M9S) Reference 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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