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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2019.4778 Security Bulletin: WebSphere Message Broker is affected by a Websphere Application Server Vulnerability 23 December 2019 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: IBM WebSphere Message Broker Publisher: IBM Operating System: Linux variants Windows Solaris AIX Impact/Access: Denial of Service -- Remote/Unauthenticated Access Confidential Data -- Existing Account Resolution: Patch/Upgrade CVE Names: CVE-2019-4046 CVE-2018-1996 Reference: ESB-2019.4679 ESB-2019.4074 ESB-2019.3731 ESB-2019.3554 Original Bulletin: https://www.ibm.com/support/pages/node/1150930 https://www.ibm.com/support/pages/node/1150948 Comment: This bulletin contains two (2) IBM security advisories. - --------------------------BEGIN INCLUDED TEXT-------------------- Security Bulletin: WebSphere Message Broker is affected by a Websphere Application Server Vulnerability (CVE-2018-1996) Document Information Product : WebSphere Message Broker Component : - Software version : V8 Operating system(s): Linux Windows AIX Solaris Edition : - Summary WebSphere Message Broker is affected by a WebSphere Application Server vulnerability which was reported and has been addressed. Vulnerability details are listed below Vulnerability Details CVEID: CVE-2018-1996 DESCRIPTION: IBM WebSphere Application Server 7.0, 8.0, 8.5, and 9.0 could provide weaker than expected security, caused by the improper TLS configuration. A remote attacker could exploit this vulnerability to obtain sensitive information using man in the middle techniques. IBM X-Force ID: 154650. CVSS Base score: 5.3 CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities /154650 for the current score. CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N) Affected Products and Versions WebSphere Message Broker V8.0.0.0 - V8.0.0.9 Remediation/Fixes +--------------------------+---------------------+--------+-----------------------------------------------+ |Product |VRMF |APAR |Remediation/Fixes | +--------------------------+---------------------+--------+-----------------------------------------------+ |WebSphere Message Broker |V8.0.0.0 - V8.0.0.9 |IT30353 |Contact IBM support to request for Fix APAR | +--------------------------+---------------------+--------+-----------------------------------------------+ Websphere Message Broker V8 is no longer in full support;IBM recommends upgrading to a fixed, supported version/release/platform of the product. If you are a customer with extended support and require a fix, contact IBM support Workarounds and Mitigations None Change History 09 Dec 2019: Initial Publication *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. Document Location Worldwide - -============================================================================ Security Bulletin: WebSphere Message Broker is affected by a Websphere Application Server Vulnerability (CVE-2019-4046) Document Information Product : WebSphere Message Broker Component : - Software version : V8 Operating system(s): Linux AIX Windows Solaris Edition : - Summary WebSphere Message Broker is affected by a WebSphere Application Server vulnerability which was reported and has been addressed. Vulnerability details are listed below. 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 WebSphere Message Broker V8 Remediation/Fixes +--------------------------+---------------------+--------+-----------------------------------------------+ |Product |VRMF |APAR |Remediation/Fixes | +--------------------------+---------------------+--------+-----------------------------------------------+ |WebSphere Message Broker |V8.0.0.0 - V8.0.0.9 |IT30352 |Contact IBM support to request for Fix APAR | +--------------------------+---------------------+--------+-----------------------------------------------+ Websphere Message Broker V8 is no longer in full support;IBM recommends upgrading to a fixed, supported version/release/platform of the product. If you are a customer with extended support and require a fix, contact IBM support Workarounds and Mitigations None Change History 10 Dec 2019: Initial Publication *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. Document Location Worldwide - --------------------------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. 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