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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2019.0850 IBM Security Bulletin: Security vulnerability in the IBM HTTP Server (CVE-2018-17199) 15 March 2019 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: IBM WebSphere Application Server Publisher: IBM Operating System: AIX HP-UX Linux variants Solaris Windows z/OS Impact/Access: Reduced Security -- Remote/Unauthenticated Resolution: Patch/Upgrade CVE Names: CVE-2018-17199 Reference: ESB-2019.0252 Original Bulletin: http://www.ibm.com/support/docview.wss?uid=ibm10869064 - --------------------------BEGIN INCLUDED TEXT-------------------- Security vulnerability in the IBM HTTP Server (CVE-2018-17199) Product: WebSphere Application Server Component: IBM HTTP Server Software version: 9.0 Operating system(s): AIX, HP-UX, Linux, Solaris, Windows, z/OS Software edition: Advanced, Base, Enterprise, Network Deployment, Single Server Reference #: 0869064 Security Bulletin Summary There is a vulnerability in the IBM HTTP Server used by WebSphere Application Server. Vulnerability Details CVEID: CVE-2018-17199 DESCRIPTION: Apache HTTP Server could allow a remote attacker to bypass security restrictions, caused by checking the session expiry time before decoding the session by mod_session. An attacker could exploit this vulnerability to ignore session expiry time and gain access to the application. CVSS Base Score: 5.3 CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/ 156006 for the current score CVSS Environmental Score*: Undefined CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N) Affected Products and Versions This vulnerability affects the following version and release of IBM HTTP Server (powered by Apache) component in all editions of WebSphere Application Server and bundling products. o Version 9.0 Remediation/Fixes 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 PH06010 - --OR-- . Apply Fix Pack 9.0.0.11 or later (targeted availability 2Q 2019). Reference Complete CVSS v3 Guide On-line Calculator v3 Related Information IBM Secure Engineering Web Portal IBM Product Security Incident Response Blog Change History 13 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 iQIVAwUBXIsPGmaOgq3Tt24GAQicwhAAiNZglrFAeRQTdogGbN70EDhOaFgMm4t8 BW2g00DHYqeX2cROB+Uq3saa+HsgDoxJr+8+So5Fu4UDKVWez02yQO0ovyyNkfJE SHy5dpCUJmD9bc78X/uD1YuaSoXVxkuzl3IAVg9udW/cqRjMxn6mQMt6PlXEqnX4 /a4zUCSWNo1JM6/+UuF0tFXl402BDxT8kRRpPzE6tnOqKBdppZCPqLQI6cpMIgO+ 80wIHvofo9wSJIGCjGHjrbT+oCnrk11JbXRDK9DaiEVqICB45cuAUhBACAB1SIqt HgITH3+k3UBKkVHraN1HS9Az5tEPDWcW5B3EwCYZTnSqEI5M9vlC16SbP7mmjwxO gfDOCp2Bf41uz2pHedVjPQinrOXLrOUwiHoPNtBjQ8ykUIupM1PKXSPT87S2KpV1 15+B5MGaTw2Ws/SdoDHexmzQuCBd2ygnWtb8OpycCK8yzzW2fC3EShc3IVShTUdK 7ZHnZHX6wNYgv8bFWKOBQqLDV0J/UaoOh2rH7SXcTMijXd52+0s/xye2f2Hq4d8R FPLHhTKCLjQ2apckdkOqt02ABNZd42Mc9m/MqRLfNkGI7AKtnB4Yf7ZgPjBGCLw8 /5iQNiowYWCivHqe7CCSyLbPw6KwAHhiV3S4Dk4f3CTqyX7x+NeiX6ROWlMJZq/6 TREBNojMVnk= =JbPc -----END PGP SIGNATURE-----