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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2019.0742 Security Bulletin: Potential Spoofing vulnerability in WebSphere Application Server (CVE-2018-1902) 8 March 2019 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: IBM WebSphere Application Server Publisher: IBM Operating System: AIX HP-UX IBM i Linux variants Solaris Windows z/OS Impact/Access: Provide Misleading Information -- Existing Account Resolution: Patch/Upgrade CVE Names: CVE-2018-1902 Original Bulletin: http://www.ibm.com/support/docview.wss?uid=ibm10795115 - --------------------------BEGIN INCLUDED TEXT-------------------- Security Bulletin: Potential Spoofing vulnerability in WebSphere Application Server (CVE-2018-1902) Document information More support for: WebSphere Application Server Software version: 7.0, 8.0, 8.5, 9.0 Operating system(s): AIX, HP-UX, IBM i, Linux, Solaris, Windows, z/OS Software edition: Advanced, Base, Developer, Enterprise, Express, Liberty, Network Deployment, Single Server Reference #: 0795115 Modified date: 07 March 2019 Summary There is a potential spoofing vulnerability in IBM WebSphere Application Server. Vulnerability Details CVEID: CVE-2018-1902 DESCRIPTION: IBM WebSphere Application Server could allow a remote attacker to spoof connection information which could be used to launch further attacks against the system. CVSS Base Score: 3.1 CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/ 152531 for the current score CVSS Environmental Score*: Undefined CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N) Affected Products and Versions This vulnerability affects the following versions and releases of IBM WebSphere Application Server: o Liberty o Version 9.0 o Version 8.5 o Version 8.0 o Version 7.0 Remediation/Fixes The recommended solution is to apply the interim fix, Fix Pack or PTF containing the APAR for each named product as soon as practical. For WebSphere Application Server Liberty: . Upgrade to minimal fix pack levels as required by interim fix and then apply Interim Fix PH07036 - --OR-- . Apply Fix Pack 19.0.0.3 or later (targeted availability 2Q2019). For WebSphere Application Server traditional and WebSphere Application Server Hypervisor Edition: For V9.0.0.0 through 9.0.0.10: . Upgrade to minimal fix pack levels as required by interim fix and then apply Interim Fix PH07036 - --OR-- . Apply Fix Pack 9.0.0.11 or later (targeted availability 2Q2019). For V8.5.0.0 through 8.5.5.15: . Upgrade to minimal fix pack levels as required by interim fix and then apply Interim Fix PH07036 - --OR-- . Apply Fix Pack 8.5.5.16 or later (targeted availability 3Q2019). For V8.0.0.0 through 8.0.0.15: . Upgrade to 8.0.0.15 and then apply Interim Fix PH07036 For V7.0.0.0 through 7.0.0.45: . Upgrade to 7.0.0.45 and then apply Interim Fix PH07036 WebSphere Application Server V7 and V8 are no longer in full support; IBM recommends upgrading to a fixed, supported version/release/platform of the product. Change History 07 March 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. - --------------------------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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On call after hours for member emergencies only. =========================================================================== -----BEGIN PGP SIGNATURE----- Comment: http://www.auscert.org.au/render.html?it=1967 iQIVAwUBXIHsBGaOgq3Tt24GAQhLyA/+O1TMxCzbUnzhEj8fMnPnmImJlE5r0XtU ryjQy1nPXx+lODIVcCPl3xBqhux5Wy9K1P4KzCO7Zml0xz8ZJCS5ZZnTwqs119yG MBc8gO5uQnb2ILRWhiTWDRD/NANhScGjdD+PLgmxFI+bLAU8/5fnVdQ5+zM6rLkn VjTj4LCZlrW0Pa26nRxCywvNmW1IAg2d9jiW4gEViJSCmwmO1BOrGQGCJfVO+kFY i6ClvJegqzhBnoBlrA4spO6T39OyhhxZP63Y+lT1sEHhk7rbYKJqsvArMO2bjwiQ gdP6wFdSHr2tzVeO/fAZcHr32qWWQu1N38QE7EPIpQ6Cma7G2+N54nIBZeh446oS QJ9z4Z8nplDPrnESQ3EptjhoMH7KRinGsFGEE0PBVbnW6mHtjC4Bx8h+z4Ck3+h3 wi+1IWTNnpk+/ztwA9uZUa2J2Ffv7Ef66CE2gcrpKKwuUW7O3xSl5rWcSY1as+Gz f4Z8/Q2dtbfyI0zi+iRUsM/IrbXFuhdW4atkD/xCjoF2r9j3dch61anKrg0uwBaw 6ern4RyTNCYwXETv44J+4UyzTuux5evcgGSSczxa2i93PtkQ7Ddd572AcKf1LE0o xMOQjhQ83vI487BnikAY1vb/ue5YZpYGSrHa4IJ6SrcyCHxXZYmatvFv4hTXn5qd 388fXnYxZkI= =LuRJ -----END PGP SIGNATURE-----