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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2019.2356 Security Bulletin: Potential denial of service in WebSphere Application Server Admin Console (CVE-2019-4080) 28 June 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: Denial of Service -- Remote/Unauthenticated Resolution: Patch/Upgrade CVE Names: CVE-2019-4080 Reference: ESB-2019.2340 ESB-2019.1883 ESB-2019.1851 ESB-2019.1414 ESB-2019.1291 ESB-2019.1289 Original Bulletin: https://www-01.ibm.com/support/docview.wss?uid=ibm10875692 - --------------------------BEGIN INCLUDED TEXT-------------------- Security Bulletin: Potential denial of service in WebSphere Application Server Admin Console (CVE-2019-4080) Document information More support for: WebSphere Application Server Operating system(s): AIX, HP-UX, IBM i, Linux, Solaris, Windows, z/OS Software edition: Advanced, Base, Developer, Enterprise, Express, Network Deployment, Single Server Reference #: 0875692 Modified date: 26 March 2019 Security Bulletin Summary There is a potential denial of service in the Admin Console of WebSphere Application Server. Vulnerability Details CVEID: CVE-2019-4080 DESCRIPTION: IBM WebSphere Application Server Admin Console is vulnerable to a potential denial of service, caused by improper parameter parsing. A remote attacker could exploit this to consume all available CPU resources. CVSS Base Score: 6.5 CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/ 157380 for the current score CVSS Environmental Score*: Undefined CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H) Affected Products and Versions This vulnerability affects the following versions and releases of IBM WebSphere Application Server: 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 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 PH07676 - --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 PH07676 - --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 Fix Pack 8.0.0.15 and then apply Interim Fix PH07676 For V7.0.0.0 through 7.0.0.45: . Upgrade to Fix Pack 7.0.0.45 and then apply Interim Fix PH07676 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. Get Notified about Future Security Bulletins Subscribe to My Notifications to be notified of important product support alerts like this. Reference Complete CVSS v3 Guide On-line Calculator v3 Related Information IBM Secure Engineering Web Portal IBM Product Security Incident Response Blog Change History 26 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 iQIVAwUBXRWQ/GaOgq3Tt24GAQgJ6g/+I8doBRxC24FsvOBdhj5O44FgG4lqydbJ qENU7xd5sUyit4d0qW0HZxMpnkY0PunTbHE5bP88c0tUmeJJ8/BAVzY1hFBKnYCL tSKD8DgnkVnU05xnOUFS0if1VMdDUa12/Xy9HPhV7RMyK0Q029u0DgX8I51hkdDR nhtfu4ZBR2ydxRbxK0mrhVNAOayeuDRtjBO81dxOW9aT5VPHpfUqSOVJsaXOseI3 URoBrykbLeY9+vTD6YJPo8fGw+uxmE+h4YJ0AuGPsXAbW7/Uyc5cOBgxo8vdWA2v 6UUtLGjmJB0Ebn+fGemuqvdKQShs0tp89uL2K2YOw3iD8RK5ZkZzuMwTJYwBaKb7 chmRQh8P0LHr5nzO1YytuEyKikhVXCxuhnmMhKnD9gkJuniG3N8Z0Gd3sd84oVmL hy44J85/Vb916PfmeFgrXSd1jbawDIW3u+1saECK9UnStFFtcsdtvdAZXuGEti9c ZgZGXTrF1eNb5mqLemwTVJ/w1PWxoQGF5u+n0cNTV7Uyue+MJtCa8deipMi0oZmE y7ZcOdP/+CQtvZ+as2716f5P+brAn7poq0y/6IWa1pZJ9EGxjYzUTwGZbwqQR1/v MxKdIIO0OZmJyg9xPn5YpSODmq1r30ANo9H0qsF1EQZX8O7FRCfV6IdOB2T6MVoC cpCUsmReFPs= =qVUc -----END PGP SIGNATURE-----