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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2019.1278 IBM Security Bulletin: Vulnerability CVE-2019-3880 in Samba affects IBM i 15 April 2019 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: IBM i Publisher: IBM Operating System: IBM i Impact/Access: Create Arbitrary Files -- Existing Account Access Confidential Data -- Existing Account Resolution: Patch/Upgrade CVE Names: CVE-2019-3880 Reference: ESB-2019.1218 ESB-2019.1178 ESB-2019.1176 Original Bulletin: http://www.ibm.com/support/docview.wss?uid=ibm10880621 - --------------------------BEGIN INCLUDED TEXT-------------------- Vulnerability CVE-2019-3880 in Samba affects IBM i Product: IBM i Software version: 7.2, 7.3 Operating system(s): IBM i Reference #: 0880621 Security Bulletin Summary Samba is supported on IBM i. IBM i has addressed the applicable CVE. Vulnerability Details CVEID: CVE-2019-3880 DESCRIPTION: Samba could allow a remote authenticated attacker to traverse directories on the system. An attacker could send a specially-crafted "winreg_SaveKey" request to create a new registry hive file outside a Samba share. CVSS Base Score: 6.3 CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/ 159188 for the current score CVSS Environmental Score*: Undefined CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L) Affected Products and Versions Releases 7.2 and 7.3 of IBM i are affected. Remediation/Fixes The issue can be fixed by applying a PTF to IBM i. Releases 7.2 and 7.3 of IBM i are supported and will be fixed. The IBM i PTF numbers are: Release 7.2 - SI69591 Release 7.3 - SI69592 https://www-945.ibm.com/support/fixcentral/ Important note: IBM recommends that all users running unsupported versions of affected products upgrade to supported and fixed version of affected products. Workarounds and Mitigations None Reference Complete CVSS v3 Guide On-line Calculator v3 Related Information IBM Secure Engineering Web Portal IBM Product Security Incident Response Blog Change History 12 April 2019: Original Document Published *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 Product Component Platform Version Edition IBM i 7.2 IBM i 7.2 IBM i 7.3 IBM i 7.3 - --------------------------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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