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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2020.0323 Multiple Vulnerabilities in WebSphere Application Server 29 January 2020 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: IBM WebSphere Application Server Publisher: IBM Operating System: AIX HP-UX Solaris Linux variants IBM i Windows z/OS Impact/Access: Cross-site Scripting -- Remote with User Interaction Provide Misleading Information -- Remote/Unauthenticated Denial of Service -- Remote with User Interaction Access Confidential Data -- Remote/Unauthenticated Resolution: Patch/Upgrade CVE Names: CVE-2019-10098 CVE-2019-10092 CVE-2019-10086 CVE-2019-4441 CVE-2019-4271 CVE-2019-4270 CVE-2019-4268 CVE-2018-20843 Reference: ASB-2020.0031 ASB-2019.0270 ESB-2020.0295 ESB-2019.4679 Original Bulletin: https://www.ibm.com/support/pages/node/884036 https://www.ibm.com/support/pages/node/884030 https://www.ibm.com/support/pages/node/959023 https://www.ibm.com/support/pages/node/1115085 https://www.ibm.com/support/pages/node/964768 https://www.ibm.com/support/pages/node/884040 - --------------------------BEGIN INCLUDED TEXT-------------------- Security Bulletin: Cross-site scripting vulnerability in WebSphere Application Server Admin Console (CVE-2019-4270) Document Information Product : WebSphere Application Server Software version : 9.0;8.5;8.0;7.0 Operating system(s): AIX HP-UX IBM i Linux Solaris Windows z/OS Edition : Advanced, Base, Developer, Enterprise, Express, Network Deployment, Single Server Summary There is a potential denial of service in the Admin Console of WebSphere Application Server. Vulnerability Details CVEID: CVE-2019-4270 DESCRIPTION: IBM WebSphere Application Server Admin Console is vulnerable to cross-site scripting. This vulnerability allows users to embed arbitrary JavaScript code in the Web UI thus altering the intended functionality potentially leading to credentials disclosure within a trusted session. CVSS Base Score: 5.4 CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/ 160203 for the current score CVSS Environmental Score*: Undefined CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N) Affected Products and Versions This vulnerability affects the following versions and releases of IBM WebSphere Application Server: o Version 9.0 o Version 8.5 o Version 8.0 o Version 7.0 Remediation/Fixes The recommended solution is to apply the interim fix, Fix Pack or PTF containing the APAR for each named product as soon as practical. For WebSphere Application Server traditional and WebSphere Application Server Hypervisor Edition: For V9.0.0.0 through 9.0.5.0: Upgrade to minimal fix pack levels as required by interim fix and then apply Interim Fix PH11319 - --OR-- Apply Fix Pack 9.0.5.1 or later (targeted availability 3Q2019). For V8.5.0.0 through 8.5.5.16: Upgrade to minimal fix pack levels as required by interim fix and then apply Interim Fix PH11319 - --OR-- Apply Fix Pack 8.5.5.17 or later (targeted availability 1Q2020). For V8.0.0.0 through 8.0.0.15: Upgrade to Fix Pack 8.0.0.15 and then apply Interim Fix PH11319 For V7.0.0.0 through 7.0.0.45: Upgrade to Fix Pack 7.0.0.45 and then apply Interim Fix PH11319 Change History 16 September 2019: original document published *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: File traversal vulnerability in WebSphere Application Server Admin Console (CVE-2019-4268) Document Information Product : WebSphere Application Server Software version : 9.0;8.5;8.0;7.0 Operating system(s): AIX HP-UX IBM i Linux Solaris Windows z/OS Edition : Advanced, Base, Developer, Enterprise, Express, Network Deployment, Single Server Summary There is a file traversal vulnerability in the Admin Console of WebSphere Application Server. Vulnerability Details CVEID: CVE-2019-4268 DESCRIPTION: IBM WebSphere Application Server could allow a remote attacker to traverse directories on the system. An attacker could send a specially-crafted URL containing "dot dot" sequences (/../) to view arbitrary files on the system. CVSS Base Score: 5.3 CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/ 160201 for the current score CVSS Environmental Score*: Undefined CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N) Affected Products and Versions This vulnerability affects the following versions and releases of IBM WebSphere Application Server: o Version 9.0 o Version 8.5 o Version 8.0 o Version 7.0 Remediation/Fixes The recommended solution is to apply the interim fix, Fix Pack or PTF containing the APAR for each named product as soon as practical. For WebSphere Application Server traditional and WebSphere Application Server Hypervisor Edition: For V9.0.0.0 through 9.0.5.0: Upgrade to minimal fix pack levels as required by interim fix and then apply Interim Fix PH12325 - --OR-- Apply Fix Pack 9.0.5.1 or later (targeted availability 3Q2019). For V8.5.0.0 through 8.5.5.16: Upgrade to minimal fix pack levels as required by interim fix and then apply Interim Fix PH12325 - --OR-- Apply Fix Pack 8.5.5.17 or later (targeted availability 1Q2020). For V8.0.0.0 through 8.0.0.15: Upgrade to Fix Pack 8.0.0.15 and then apply Interim Fix PH12325 For V7.0.0.0 through 7.0.0.45: Upgrade to Fix Pack 7.0.0.45 and then apply Interim Fix PH12325 Change History 16 September 2019: original document published *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: Information disclosure vulnerability in WebSphere Application Server (CVE-2019-4441) Document Information Product : WebSphere Application Server Software version : 9.0;8.5;8.0;7.0 Operating system(s): AIX HP-UX IBM i Linux Solaris Windows z/OS Edition : Advanced;Base;Developer;Enterprise;Express;Network Deployment;Single Server;Liberty Summary There is a potential information disclosure vulnerability in IBM WebSphere Application Server. Vulnerability Details CVEID: CVE-2019-4441 DESCRIPTION: IBM WebSphere Application Server could allow a remote attacker to obtain sensitive information when a stack trace is returned in the browser. CVSS Base Score: 5.3 CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/ 163177 for the current score CVSS Environmental Score*: Undefined CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N) Affected Products and Versions This vulnerability affects the following versions and releases of IBM WebSphere Application Server: o Liberty o Version 9.0 o Version 8.5 o Version 8.0 o Version 7.0 Remediation/Fixes The recommended solution is to apply the interim fix, Fix Pack or PTF containing the APAR for each named product as soon as practical. For WebSphere Application Server Liberty using jsp-2.2 or jsp-2.3: Upgrade to minimal fix pack levels as required by interim fix and then apply Interim Fix PH13983 - --OR-- Apply Fix Pack 19.0.0.11 or later (targeted availability 4Q2019). For WebSphere Application Server traditional and WebSphere Application Server Hypervisor Edition: For V9.0.0.0 through 9.0.5.1: Upgrade to minimal fix pack levels as required by interim fix and then apply Interim Fix PH13983 - --OR-- Apply Fix Pack 9.0.5.2 or later (targeted availability 4Q2019). For V8.5.0.0 through 8.5.5.16: Upgrade to minimal fix pack levels as required by interim fix and then apply Interim Fix PH13983 - --OR-- Apply Fix Pack 8.5.5.17 or later (targeted availability 1Q2020). For V8.0.0.0 through 8.0.0.15: Upgrade to 8.0.0.15 and then apply Interim Fix PH13983 For V7.0.0.0 through 7.0.0.45: Upgrade to 7.0.0.45 and then apply Interim Fix PH13983 Additional interim fixes may be available and linked off the interim fix download page. WebSphere Application Server V7.0 and V8.0 are no longer in full support; IBM recommends upgrading to a fixed, supported version/release/platform of the product. Change History 01 October 2019: original document published *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. - -------------------------------------------------------------------------------- Security Bulletin: WebSphere Application Server is vulnerable to Apache Commons Beanutils (CVE-2019-10086) Document Information Product : WebSphere Application Server Component : admin console Software version : 9.0; 8.5; 8.0; 7.0 Operating system(s): AIX HP-UX IBM i Linux Windows z/OS Solaris Edition : Advanced,Base,Network Deployment,Single Server Summary There is a vulnerability in Apache Commons Beanutils that is used by WebSphere Application Server. This has been addressed. Vulnerability Details CVEID: CVE-2019-10086 DESCRIPTION: In Apache Commons Beanutils 1.9.2, a special BeanIntrospector class was added which allows suppressing the ability for an attacker to access the classloader via the class property available on all Java objects. We, however were not using this by default characteristic of the PropertyUtilsBean. CVSS Base score: 5.3 CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities /166353 for the current score. CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N) Affected Products and Versions +----------------------------+----------+ |Affected Product(s) |Version(s)| +----------------------------+----------+ |WebSphere Application Server|9.0 | +----------------------------+----------+ |WebSphere Application Server|8.0 | +----------------------------+----------+ |WebSphere Application Server|8.5 | +----------------------------+----------+ |WebSphere Application Server|7.0 | +----------------------------+----------+ Remediation/Fixes For WebSphere Application Server traditional and WebSphere Application Server Hypervisor Edition: For V9.0.0.0 through 9.0.5.1: Upgrade to minimal fix pack levels as required by interim fix and then apply Interim Fix PH17557 - --OR-- Apply Fix Pack 9.0.5.2 or later (targeted availability 4Q2019). For V8.5.0.0 through 8.5.5.16: Upgrade to minimal fix pack levels as required by interim fix and then apply Interim Fix PH17557 - --OR-- Apply Fix Pack 8.5.5.17 or later (targeted availability 1Q2020). For V8.0.0.0 through 8.0.0.15: Upgrade to 8.0.0.15 and then apply Interim Fix PH17557 For V7.0.0.0 through 7.0.0.45: Upgrade to 7.0.0.45 and then apply Interim Fix PH17557 WebSphere Application Server V7.0 and V8.0 are no longer in full support; IBM recommends upgrading to a fixed, supported version/release/platform of the product. Workarounds and Mitigations None Change History 25 Nov 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: Multiple vulnerabilities in IBM HTTP Server used by WebSphere Application Server Document Information Product : WebSphere Application Server Component : IBM HTTP Server Software version : 7.0;8.0;8.5;9.0 Operating system(s): AIX HP-UX Linux Solaris Windows z/OS Edition : Advanced, Base, Enterprise, Network Deployment, Single Server 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. o Version 9.0 o Version 8.5 o Version 8.0 o Version 7.0 Remediation/Fixes For V9.0.0.0 through 9.0.5.0: Upgrade to minimal fix pack levels as required by interim fix and then apply Interim Fix PH14974 - --OR-- Apply Fix Pack 9.0.5.1 or later (targeted availability 3Q 2019). For V8.5.5.0 through 8.5.5.16: Upgrade to minimal fix pack levels as required by interim fix and then apply Interim Fix PH14974 - --OR-- Apply Fix Pack 8.5.5.17 or later (targeted availability 1Q 2020). For V8.0.0.0 through 8.0.0.15: Upgrade to 8.0.0.15 and then apply Interim Fix PH14974 For V7.0.0.0 through 7.0.0.45: Upgrade to 7.0.0.45 then apply Interim Fix PH14974 Change History 18 September 2019: original document published *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: HTTP Parameter Pollution and XSS vulnerability in WebSphere Application Server Admin Console ND (CVE-2019-4271) Document Information Product : WebSphere Application Server Software version : 9.0, 8.5, 8.0, 7.0 Operating system(s): AIX HP-UX IBM i Linux Solaris Windows z/OS Edition : Advanced, Base, Developer, Enterprise, Express, Network Deployment, Single Server Summary There is a Client-side HTTP parameter pollution vulnerability and a Cross-site scripting vulnerability in WebSphere Application Server Admin Console. Vulnerability Details CVEID: CVE-2019-4271 DESCRIPTION: IBM WebSphere Application Server Admin console is vulnerable to a Client-side HTTP parameter pollution vulnerability. CVSS Base Score: 3.5 CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/ 160243 for the current score CVSS Environmental Score*: Undefined CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N) Affected Products and Versions This vulnerability affects the following: o WebSphere Application Server Version 9.0 o WebSphere Application Server Version 8.5 o WebSphere Virtual Enterprise Version 7.0 Remediation/Fixes The recommended solution is to apply the interim fix, Fix Pack or PTF containing the APAR for each named product as soon as practical. For WebSphere Application Server traditional and WebSphere Application Server Hypervisor Edition: For V9.0.0.0 through 9.0.0.11: Upgrade to minimal fix pack levels as required by interim fix and then apply Interim Fix PH12533 - --OR-- Apply Fix Pack 9.0.5.0 or later. For V8.5.0.0 through 8.5.5.15: Upgrade to minimal fix pack levels as required by interim fix and then apply Interim Fix PH12533 - --OR-- Apply Fix Pack 8.5.5.16 or later. For WebSphere Virtual Enterprise Edition: For V7.0: Apply Interim Fix PH12533 WebSphere Virtual Enterprise V7.0 is no longer in full support; IBM recommends upgrading to a fixed, supported version/release/platform of the product. Change History 03 September 2019: Original Document published *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. - --------------------------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. 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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 iQIVAwUBXjEtnWaOgq3Tt24GAQjBrg//UmPYAQBJpCPhSoR984bEa46SwmNQ2Szr 5+fJRhN+g5bF8qHmsYzepFKOtFXe8rpyzLsioIMK2NassWIRdxcdBfSeppeqVT8N 7R+fHOJkASssdDwnkxs3yHGqu7Cj6t6iqrqW4hiyoyzyo0I7+BTQk72+YCRIVTyb cbXexHBuuCLIT5SKRlzUnK6HwmaomfGw7F5Lk9lNUwYq55YSr0Bpopgzr2ebkvEx F5p1pBwgDM/VutE/GtxdoLYSdWnyQDou5NAlOgmSpuczVdWCFddLo+FMYNKi3TWk BpNVWta/tTnvn+lVLBSLvlAYQbfZGpnsdQhly0lCrVg7Dla8ubwsKy6bcQk9GJ/A k7EEW1FDULxGb3mmshCtBZfaUYqjuSQxIGu+ubznr+3DC/8bYx30Wj8vONX+t0ex kV4KzUwua88aP3830/1VIlITqqkd8rTgcZXrNahEaRPvd8jAzdCiBlqKMCv/xvdC /rIau/OsPrtM6o6wnQdjbWkFSaLe4qPcBU/ICRfNd+McDLAa9xpTkgzs9TMui/Os bKK9MjlwsNjEaLt6ai2oy4D4lJB/0XQm/tau8Ixv4uGbYnisXMd8uSqYKQhvMjyZ fhwOsR18PFMBGoRL/sQYjsCrjUCGm0nAymSlntDRSZgNeuWnmbMJziKTrLWP+bSd GRdkk+KnO24= =37jB -----END PGP SIGNATURE-----