19 August 2019
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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2019.3166 Vulnerability in IBM Java SDK affects IMS(TM) Enterprise Suite: Explorer for Development (CVE-2019-2426) 19 August 2019 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: IMS Enterprise Suite: Explorer for Development Publisher: IBM Operating System: Windows Impact/Access: Access Confidential Data -- Remote/Unauthenticated Resolution: Patch/Upgrade CVE Names: CVE-2019-2426 Reference: ASB-2019.0018 ESB-2019.2885 ESB-2019.2879 ESB-2019.2846 ESB-2019.2771 ESB-2019.2714 Original Bulletin: http://www.ibm.com/support/docview.wss?uid=ibm10967059 - --------------------------BEGIN INCLUDED TEXT-------------------- Security Bulletin: Vulnerability in IBM Java SDK affects IMS(TM) Enterprise Suite: Explorer for Development (CVE-2019-2426) Document information More support for: IMS Enterprise Suite Component: IMS Enterprise Suite: Explorer for Development Software version: 3.3.1 Operating system(s): Windows Reference #: 0967059 Modified date: 16 August 2019 Summary There is a vulnerability in IBM(R) SDK Java(TM) Technology Edition, Version 188.8.131.52 and earlier that is used by IMS(TM) Enterprise Suite: Explorer for Development. This issue was disclosed as part of the IBM Java SDK updates in January 2019. Vulnerability Details CVE-2019-2426 (CVSS 3.7) Description The transparent NTLM authentication implementation in java.net.HttpURLConnection exposes the user's NTLM credentials to any server that requests them. The fix disables transparent NTLM authentication by default. A new system property (jdk.http.ntlm.transparentAuth) allows the user to enable transparent NTLM authentication for all hosts or trusted hosts only. Product Applicability This issue applies to products or applications that use java.net.HttpURLConnection or javax.net.ssl.HttpsURLConnection. Mitigation The only solution is to upgrade the JRE. Affected Products and Versions Explorer for Development of the IMS(TM) Enterprise Suite Versions 3.3.1 and earlier. Remediation/Fixes Product VRMF APAR Download URL IMS Enterprise 184.108.40.206 Suite Explorer https://developer.ibm.com/mainframe/products/ for Development downloads/eclipse-tools/ V3.3 N/A Change History 16 August 2019: Original version 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 firstname.lastname@example.org 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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