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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2020.1601 Security vulnerability has been identified in WebSphere Application Server 6 May 2020 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: WebSphere Application Server Publisher: IBM Operating System: UNIX variants (UNIX, Linux, OSX) AIX z/OS HP-UX Solaris Windows Mac OS Impact/Access: Provide Misleading Information -- Existing Account Access Confidential Data -- Existing Account Resolution: Patch/Upgrade CVE Names: CVE-2020-4329 Original Bulletin: https://www.ibm.com/support/pages/node/6203924 https://www.ibm.com/support/pages/node/6205926 Comment: This bulletin contains two (2) IBM security advisories. - --------------------------BEGIN INCLUDED TEXT-------------------- Security Bulletin: Security vulnerability has been identified in WebSphere Application Server shipped with WebSphere Service Registry and Repository (CVE-2020-4329) Summary WebSphere Application Server is shipped as a component of WebSphere Service Registry and Repository. Information about a security vulnerability affecting WebSphere Application Server has been published in a security bulletin. Vulnerability Details Refer to the security bulletin(s) listed in the Remediation/Fixes section Affected Products and Versions +----------------------------------------+------------------------------------+ |Principal Product and Version(s) |Affected Supporting Product and | | |Version(s) | +----------------------------------------+------------------------------------+ |WebSphere Service Registry and |WebSphere Application Server V8.5.5 | |Repository V8.5 | | +----------------------------------------+------------------------------------+ |WebSphere Service Registry and |WebSphere Application Server V8.0 | |Repository V8.0 | | +----------------------------------------+------------------------------------+ Remediation/Fixes Refer to the following security bulletin for vulnerability details and information about fixes: o Security Bulletin: Information disclosure in WebSphere Application Server (CVE-2020-4329) Workarounds and Mitigations None Change History 30 Apr 2020: 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 Information Modified date: 30 April 2020 - ------------------------------------------------------------------------------- Security Bulletin: Potential spoofing attack in Webshere Application Server (CVE-2020-4421) Summary IBM WebSphere Application Server Liberty using openidConnectServer feature could allow spoofing identity by an authenticated user. This has been addressed. Vulnerability Details CVEID: CVE-2020-4421 DESCRIPTION: IBM WebSphere Application Liberty could allow an authenticated user using openidconnect to spoof another users identify. CVSS Base score: 5 CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities /180084 for the current score. CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L) Affected Products and Versions +------------------------------------+-----------------+ |Affected Product(s) |Version(s) | +------------------------------------+-----------------+ |WebSphere Application Server Liberty|19.0.0.5-20.0.0.4| +------------------------------------+-----------------+ Remediation/Fixes The recommended solution is to apply the interim fix or FixPack containing APAR PH24154 for each named product as soon as practical. For WebSphere Application Server Liberty 19.0.0.5-20.0.0.4 using the openidConnectServer-1.0 feature: . Upgrade to minimal fix pack levels as required by interim fix and then apply Interim Fix PH24154 - --OR-- . Apply Liberty Fix Pack 20.0.0.5 or later. Additional interim fixes may be available and linked off the interim fix download page. Workarounds and Mitigations None Change History 5 May 2020: 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 Information Modified date: 05 May 2020 - --------------------------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 iQIVAwUBXrIXFGaOgq3Tt24GAQhmng//VzMzVoVMA7kmA02m30SZnosv0wTKtYof ad25LsrsA7TwiAipLEasdSuAprWZi317MJTZc0Vie19YaQqoZX15f4sIoJAdce+d UHicfR20uOzXIkO5Bnjr2USv8aMIFP9mKFC0xqVlJzXJMMHWh3XPOdYK2ar1Ff0W DhY0g1DEPxtE9q6RfmdksOZs4yqbVs1H2ed21HQ0kPSp7eGM9Hx/9GCL9zFAd/xd KSE5xZTf5fehj7HSzO+OU1Uu69lGcvbVbRilH4TpsUksIVm7lzxLsWJecvWAeZU1 0WBwK+YfPa1YQC221XejkHFuq8pspSPOM8GxgCU5qlamtShy5iP5TQ200OnYfTxU A1LIJMEAXHJuHvtjjfKU368bg4hm9TY04tIee3s38vYCqa6RFcfnUVuaCOerQJ5v BBs6KAokCCXngBYJsXUhCH+nLndTvsu/Bs4kd5jNBPsrp0cI6VW6S7ZXjIVcyUUv NlvVvsQZ6h48KxDpTXZeRH+zJncPNIGW6a8eaYZr+SQGumOlhoFeMTlO31T9QteL LAtc5FoYsRNT/6fu/+ettBeOYac8VYmfJtbrDx9x8iD51wZ8d/i7KRHhKVRdbvPF zOeU0Y1RFQFwZs9PKgAleA3qbqhs3XzgCVE379HB7jk6B5hrr2VN9bMoxC3UStu4 D6XMpGnsEcM= =y6vu -----END PGP SIGNATURE-----