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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2021.4050 Security Bulletin: Multiple Vulnerabilities in IBM® Java SDK affect WebSphere Application Server October 2021 CPU 1 December 2021 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: WebSphere Application Server Publisher: IBM Operating System: AIX HP-UX IBM i Linux variants Solaris Windows z/OS macOS Impact/Access: Modify Arbitrary Files -- Remote/Unauthenticated Denial of Service -- Remote/Unauthenticated Unauthorised Access -- Remote/Unauthenticated Reduced Security -- Remote/Unauthenticated Resolution: Patch/Upgrade CVE Names: CVE-2021-35578 CVE-2021-35564 Reference: ESB-2021.3926 ESB-2021.3636 ESB-2021.3494 Original Bulletin: https://www.ibm.com/support/pages/node/6520468 - --------------------------BEGIN INCLUDED TEXT-------------------- Multiple Vulnerabilities in IBM® Java SDK affect WebSphere Application Server October 2021 CPU Document Information Document number : 6520468 Modified date : 30 November 2021 Product : WebSphere Application Server Component : Liberty Software version : 9.0, 8.5, Liberty Operating system(s): AIX HP-UX IBM i Linux Solaris Windows z/OS Mac OS Edition : Advanced,Base,Developer,Enterprise,Express,Network Deployment,Single Server, Liberty Summary There are multiple vulnerabilities in the IBM SDK, Java Technology Edition that is shipped with IBM WebSphere Application Server. These might affect some configurations of IBM WebSphere Application Server Traditional, IBM WebSphere Application Server Liberty and IBM WebSphere Application Server Hypervisor Edition. These products have addressed the applicable CVEs. If you run your own Java code using the IBM Java Runtime delivered with this product, you should evaluate your code to determine whether the complete list of vulnerabilities is applicable to your code. For a complete list of vulnerabilities, refer to the link for "IBM Java SDK Security Bulletin" located in the References section for more information. HP fixes are on a delayed schedule. Vulnerability Details CVEID: CVE-2021-35578 DESCRIPTION: An unspecified vulnerability in Java SE related to the JSSE component could allow an unauthenticated attacker to cause a denial of service resulting in a low availability impact using unknown attack vectors. CVSS Base score: 5.3 CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/ 211654 for the current score. CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L) CVEID: CVE-2021-35564 DESCRIPTION: An unspecified vulnerability in Java SE related to the Keytool component could allow an unauthenticated attacker to cause no confidentiality impact, low integrity impact, and no availability impact. CVSS Base score: 5.3 CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/ 211640 for the current score. 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 +------------------------------------+-------------------+ |Affected Product(s) |Version(s) | +------------------------------------+-------------------+ |WebSphere Application Server Liberty|Continuous delivery| +------------------------------------+-------------------+ |WebSphere Application Server |9.0 | +------------------------------------+-------------------+ |WebSphere Application Server |8.5 | +------------------------------------+-------------------+ Remediation/Fixes For WebSphere Application Server Liberty: Upgrade to IBM SDK, Java Technology Edition Version 8 SR7 refer to IBM Java SDKs for Liberty For Version 9 WebSphere Application Server Traditional: Update to the IBM SDK, Java Technology Edition, Version 8 Service Refresh 7 using the instructions in the IBM Knowledge Center Installing and updating IBM SDK, Java Technology Edition on distributed environments then use the IBM Installation Manager to access the online product repositories to install the SDK or use IBM Installation Manager and access the packages from Fixcentral . For V8.5.0.0 through 8.5.5.20 WebSphere Application Server Traditional and WebSphere Application Server Hypervisor Edition: For the IBM SDK, Java Technology Version that you use, upgrade to the minimal fix pack level of WebSphere Application Server as noted in the interim fix below then apply the interim fixes: For IBM SDK Java Technology Edition Version 7 o Apply interim fix PH41740 : Will upgrade you to IBM SDK, Java Technology Edition, Version 7 Service Refresh 11. For IBM SDK Java Technology Edition Version 7R1 o Apply interim fix PH41738 : Will upgrade you to IBM SDK, Java Technology Edition, Version 7R1 Service Refresh 5. For IBM SDK Java Technology Edition Version 8 SR7 o For environments that have been upgraded to use the new default IBM SDK Version 8 bundled with WebSphere Application Server Fix Pack 8.5.5.11 or later: Apply interim fix PH41736 : Will upgrade you to IBM SDK, Java Technology Edition, Version 8 Service Refresh 7. OR o Apply IBM Java SDK shipped with WebSphere Application Server Fix pack 21 (8.5.5.21) or later (targeted availability 1Q 2022). For Application Client for WebSphere Application Server: Follow instructions above for the WebSphere Application Server to download the interim fix needed for your version of the Application Client. Workarounds and Mitigations None IBM Java SDK Security Bulletin (to be added when available) Change History 30 Nov 2021: Initial Publication - --------------------------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. 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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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