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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2020.1835 Security Bulletin: Vulnerabilities in WebSphere liberty related to DOS 22 May 2020 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: WebSphere liberty Publisher: IBM Operating System: Linux variants Impact/Access: Denial of Service -- Remote/Unauthenticated Resolution: Patch/Upgrade CVE Names: CVE-2019-4720 Reference: ESB-2020.1644 ESB-2020.1019 ESB-2020.0564 ESB-2020.0509 Original Bulletin: https://www.ibm.com/support/pages/node/6207088 - --------------------------BEGIN INCLUDED TEXT-------------------- Vulnerabilities in WebSphere liberty related to DOS Security Bulletin Summary There are vulnerabilities in WebSphere liberty related to DOS used by IBM Streams. IBM Streams has addressed the applicable CVEs. Vulnerability Details CVEID: CVE-2019-4720 DESCRIPTION: IBM WebSphere Application Server 7.0, 8.0, 8.5, and 9.0 is vulnerable to a denial of service, caused by sending a specially-crafted request. A remote attacker could exploit this vulnerability to cause the server to consume all available memory. IBM X-Force ID: 172125. CVSS Base score: 7.5 CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/ 172125 for the current score. CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H) Affected Products and Versions +--------------------+----------+ |Affected Product(s) |Version(s)| +--------------------+----------+ |InfoSphere Streams |4.1.1.x | +--------------------+----------+ |InfoSphere Streams |4.2.1.x | +--------------------+----------+ |InfoSphere Streams |4.3.1.x | +--------------------+----------+ Remediation/Fixes NOTE:Fix Packs are available on IBM Fix Central. To remediate/fix this issue, follow the instructions below: Version 4.3.x: Apply 4.3.0 Fix Pack 1 (4.3.1.2) or higher . Version 4.2.x: Apply 4.2.1 Fix Pack 4 (4.2.1.10) or higher . Version 4.1.x: Apply 4.1.1 Fix Pack 6 (4.1.1.12) or higher . Versions 4.0.x,3.2.x, 3.1.x, and 3.0.x: For versions earlier than 4.x.x, IBM recommends upgrading to a fixed, supported version/release/platform of the product. Customers who cannot upgrade and need to secure their installation should open a PMR with IBM Technical Support and request assistance securing their InfoSphere Streams system against the vulnerabilities identified in this Security Bulletin. Workarounds and Mitigations None Get Notified about Future Security Bulletins References - --------------------------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. The decision to follow or act on information or advice contained in this security bulletin is the responsibility of each user or organisation, and should be considered in accordance with your organisation's site policies and procedures. AusCERT takes no responsibility for consequences which may arise from following or acting on information or advice contained in this security bulletin. NOTE: This is only the original release of the security bulletin. It may not be updated when updates to the original are made. If downloading at a later date, it is recommended that the bulletin is retrieved directly from the author's website to ensure that the information is still current. Contact information for the authors of the original document is included in the Security Bulletin above. 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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