20 September 2019
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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2019.3557 IBM WebSphere Application Server security update 20 September 2019 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: WebSphere Application Server Publisher: IBM Operating System: AIX HP-UX Linux variants Solaris z/OS Windows Impact/Access: Denial of Service -- Remote/Unauthenticated Provide Misleading Information -- Remote with User Interaction Access Confidential Data -- Remote with User Interaction Resolution: Patch/Upgrade CVE Names: CVE-2019-10098 CVE-2019-10092 CVE-2018-20843 Reference: ESB-2019.3525 ESB-2019.3133 ESB-2019.2316 Original Bulletin: https://www.ibm.com/support/pages/security-bulletin-multiple-vulnerabilities-ibm-http-server-used-websphere-application-server - --------------------------BEGIN INCLUDED TEXT-------------------- Security Bulletin: Multiple vulnerabilities in IBM HTTP Server used by WebSphere Application Server Document Information Modified date: 18 September 2019 UID: ibm10964768 Summary There are multiple vulnerabilities in the IBM HTTP Server used by WebSphere Application Server. Vulnerability Details CVEID: CVE-2018-20843 DESCRIPTION: libexpat is vulnerable to a denial of service, caused by an error in the XML parser. By persuading a victim to open a specially-crafted file, a remote attacker could exploit this vulnerability to consume all available CPU resources. CVSS Base Score: 3.3 CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/ 163073 for the current score CVSS Environmental Score*: Undefined CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L) CVEID: CVE-2019-10092 DESCRIPTION: Apache HTTP Server is vulnerable to cross-site scripting, caused by improper validation of user-supplied input by the mod_proxy error page. A remote attacker could cause the link on the error page to be malfomed and instead point to a page of their choice. An attacker could use this vulnerability to steal the victim''s cookie-based authentication credentials. CVSS Base Score: 4.7 CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/ 165367 for the current score CVSS Environmental Score*: Undefined CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N) CVEID: CVE-2019-10098 DESCRIPTION: Apache HTTP Server could allow a remote attacker to conduct phishing attacks, caused by an open redirect vulnerability in the mod_rewrite module. An attacker could exploit this vulnerability using a specially-crafted URL to redirect a victim to arbitrary Web sites. CVSS Base Score: 3.7 CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/ 165366 for the current score CVSS Environmental Score*: Undefined CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N) Affected Products and Versions This vulnerability affects the following version and release of IBM HTTP Server (powered by Apache) component in all editions of WebSphere Application Server and bundling products. * Version 9.0 * Version 8.5 * Version 8.0 * Version 7.0 Remediation/Fixes For V22.214.171.124 through 126.96.36.199: - - Upgrade to minimal fix pack levels as required by interim fix and then apply Interim Fix PH14974 - --OR-- - - Apply Fix Pack 188.8.131.52 or later (targeted availability 3Q 2019). For V184.108.40.206 through 220.127.116.11: - - Upgrade to minimal fix pack levels as required by interim fix and then apply Interim Fix PH14974 - --OR-- - - Apply Fix Pack 18.104.22.168 or later (targeted availability 1Q 2020). For V22.214.171.124 through 126.96.36.199: - - Upgrade to 188.8.131.52 and then apply Interim Fix PH14974 For V184.108.40.206 through 220.127.116.11: - - Upgrade to 18.104.22.168 then apply Interim Fix PH14974 Change History 18 September 2019: original document published - --------------------------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 firstname.lastname@example.org 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. 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On call after hours for member emergencies only. =========================================================================== -----BEGIN PGP SIGNATURE----- Comment: http://www.auscert.org.au/render.html?it=1967 iQIVAwUBXYROz2aOgq3Tt24GAQhULQ/+OHZQpqJFW8cjjfOseOyuR151IP7wLJla 0DN0rs6koFp7xlsYIggNeuUs0u+/jQezKZArbHEd5EUXs/zop9UOapVFAqRjfmmt kkxdvRX/dC79aM7pDES1RKqnzQ6R+29uviyVU2vX/pmm6PkyicG3VluxMkSCeJ8Q 27Sp2GIoIpopoVewzly3bJ4nmp5cEeiDxi0W4cIgNw00YhlXdJV4YoKRjwyEiHR0 JZIg0ML3JzAcc2fAaRcmRgEKA/yVLvooibiyfP1HCVSm216NM1OGFbE3uDraNG6f 8uiuLHhFKrY4Yjl9dexhAjBFiqsR0clQX3wEeXgCOwklYXzcMbwFQAk/QhXnKdop KktJtNVRJBSB2Rs0z6Zcuf6/nWrq87vIAzfUz3YgZXNr1z73S6boEyRHJm8Apkdj 9VwGFCmH5yNC88YwY1AFXObXry7LU9IKz90ArSABt862Wcry8Ak7P2g0uUMpXSJQ ocdlam+Juv+7l0DaRwKS8BJWOLbzeSsVe8/jOaqXZ36C7PFKZAv0H8LetbxQpwqT dOed107Uz9aX9jAnT8dVnSHnvR/TH0yc4zw2auSpQO/sqwhEVjq12nSSeeR7SDX8 X9b1io863d6XJnCWV3i0JIDwc8Eo8ok3vVuYpYFqBbPUVwoWt/WLUHePsv0QFC2Y XLQeh9vPe8s= =WfyD -----END PGP SIGNATURE-----