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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2020.2259 Security Bulletin: IBM WebSphere Application Server 7.0, 8.0, 8.5, and 9.0 is vulnerable to a denial of service, caused by improper handling of request headers. 1 July 2020 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: IBM WebSphere Application Server Publisher: IBM Operating System: Linux variants UNIX variants (UNIX, Linux, OSX) Impact/Access: Denial of Service -- Remote/Unauthenticated Resolution: Patch/Upgrade CVE Names: CVE-2019-4046 Reference: ESB-2019.4679 ESB-2019.4357 ESB-2019.4074 ESB-2019.3731 Original Bulletin: https://www.ibm.com/support/pages/node/6242192 Comment: This advisory references vulnerabilities in products which run on platforms other than IBM. It is recommended that administrators running IBM WebSphere Application Server check for an updated version of the software for their operating system. - --------------------------BEGIN INCLUDED TEXT-------------------- IBM WebSphere Application Server 7.0, 8.0, 8.5, and 9.0 is vulnerable to a denial of service, caused by improper handling of request headers. Security Bulletin Summary IBM WebSphere Application Server 7.0, 8.0, 8.5, and 9.0 is vulnerable to a denial of service, caused by improper handling of request headers. A remote attacker could exploit this vulnerability to cause the consumption of Memory. IBM X-Force ID: 156242. Vulnerability Details CVEID: CVE-2019-4046 DESCRIPTION: IBM WebSphere Application Server 7.0, 8.0, 8.5, and 9.0 is vulnerable to a denial of service, caused by improper handling of request headers. A remote attacker could exploit this vulnerability to cause the consumption of Memory. IBM X-Force ID: 156242. CVSS Base score: 5.9 CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/ 156242 for the current score. CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H) Affected Products and Versions +--------------------+----------+ |Affected Product(s) |Version(s)| +--------------------+----------+ |InfoSphere Streams |4.3.1.x | +--------------------+----------+ |InfoSphere Streams |4.2.1.x | +--------------------+----------+ |InfoSphere Streams |4.1.1.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 4.3.1 Fix Pack 2 (4.3.1.2) or higher . Version 4.2.x: Apply 4.2.1 Fix Pack 10 (4.2.1.10) or higher . Version 4.1.x: Apply 4.1.1 Fix Pack 12 (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). On call after hours for member emergencies only. =========================================================================== -----BEGIN PGP SIGNATURE----- Comment: http://www.auscert.org.au/render.html?it=1967 iQIVAwUBXvwUGuNLKJtyKPYoAQiO0xAAk20oUOKhOcJC7fCA3dhQ25oYQ5GNWREd 9vJ9EmSESS4UDx+dPW3v7BotaUqqECE2F5Edy3YKZYYK9EKispYWppT6g4N8jt5j c796clqm/16tYK5BaqfN0+ahx2xn0djnKsxaxoIrbNRiq0aaStnPPVLlIuG8Ohcs 7BbXPfWkTeuscwQ4nyVS3xRUerWJaSm4ioQPm8OQjKQy3zmxx5d8bf5P2uyEjRvt V5g7JPD6c7Jb64DNn/OdyIHsdRdBuDI7iLeE+LQS0wOE9ldO5UrU6b6ZV5Pg9TaJ uMsV5zoArFuNi/Vpajz4fwLeMX9QlCVyZ62qYwjznXSsBzTIUpX+UJjbBlB+ndD0 65lafZ8vayFtS7bu8H29ruMuc4DDUi1MitIH7woea1I69WhdOPlyD+JR7vkMUlmU 2NdejKrkq+RzEBjteOr3cUiBnRcUbP773X59CvPK3wrhElq9ImrUmZBMpxpoWIpt LH0URRRkjgFh57Km21BkZWSXzHnSWsSaWecvx8QrhRIYDY0X5wUH98+blf3NgzOa 2zDmEnFRrtSFoyy4GTR6X2iqQVPJjc2oFwazyEKOx3Qow2LTynuTXVmW06XEBRGw 6INpEhz8GQlXGLCOpBt2+OWueNILDZJI9G0czW4/0sifAwrNNbnf6vi0UDbLV6mH uA0my0mvXFY= =7+ID -----END PGP SIGNATURE-----