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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2018.2962 Multiple security vulnerabilities have been identified in IBM WebSphere Application Server 2 October 2018 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: IBM WebSphere Application Server Publisher: IBM Operating System: AIX HP-UX IBM i Linux variants Solaris Windows z/OS Impact/Access: Access Privileged Data -- Remote/Unauthenticated Provide Misleading Information -- Remote/Unauthenticated Cross-site Scripting -- Remote with User Interaction Reduced Security -- Remote/Unauthenticated Denial of Service -- Remote/Unauthenticated Resolution: Patch/Upgrade CVE Names: CVE-2018-8039 CVE-2018-1794 CVE-2018-1793 CVE-2018-1447 CVE-2018-1427 CVE-2018-1426 CVE-2017-3736 CVE-2017-3732 CVE-2016-0705 CVE-2016-0702 Reference: ASB-2018.0170 ASB-2018.0093 ASB-2018.0092 ASB-2018.0088 ESB-2016.0560 ESB-2016.0547 ESB-2016.0544 ESB-2016.0543.2 Original Bulletin: http://www.ibm.com/support/docview.wss?uid=ibm10733243 http://www.ibm.com/support/docview.wss?uid=ibm10729571 http://www.ibm.com/support/docview.wss?uid=ibm10729563 http://www.ibm.com/support/docview.wss?uid=ibm10732391 Comment: This bulletin contains four (4) IBM security advisories. - --------------------------BEGIN INCLUDED TEXT-------------------- Security Bulletin: A Security Vulnerability has been Identified in Websphere Application Server Shipped with Predictive Customer Intelligence (CVE-2018-8039) Security Bulletin Document information More support for: Predictive Customer Intelligence Software version: 1.1.2 Operating system(s): Linux, Windows Reference #: 0733243 Modified date: 01 October 2018 Summary Websphere Application Server is shipped with Predictive Customer Intelligence. Information about a security vulnerability affecting Websphere Application Server has been published in a security bulletin. Vulnerability Details Please consult the security bulletin Security Bulletin: Potential MITM attack in Apache CXF used by WebSphere Application Server (CVE-2018-8039) for vulnerability details and information about fixes. Affected Products and Versions Predictive Customer Intelligence versions 1.1.2 Remediation/Fixes Refer to the following security bulletins for vulnerability details and information about fixes addressed by Websphere Application Server which is/are shipped with Predictive Customer Intelligence. +---------------------------+---------------------------+-----------------------+ |Principal Product and |Affected Supporting Product|Affected Supporting | |Version(s) |and Version |Product Security | | | |Bulletin | +---------------------------+---------------------------+-----------------------+ |Predictive Customer |Websphere Application |Security Bulletin: | |Intelligence 1.1.2 |Server 9.0.0.4 |Potential MITM attack | | | |in Apache CXF used by | | | |WebSphere Application | | | |Server (CVE-2018-8039) | +---------------------------+---------------------------+-----------------------+ Workarounds and Mitigations none Change History 27 September 2018: Original version 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: Cross-site scripting vulnerability in OAuth ear in WebSphere Application Server (CVE-2018-1794) Security Bulletin Document information More support for: WebSphere Application Server Software version: 7.0, 8.0, 8.5, 9.0 Operating system(s): AIX, HP-UX, IBM i, Linux, Solaris, Windows, z/OS Software edition: Advanced, Base, Developer, Enterprise, Express, Network Deployment, Single Server Reference #: 0729571 Modified date: 01 October 2018 Summary There is a potential cross-site scripting vulnerability in the OAuth ear in WebSphere Application Server. Vulnerability Details CVEID: CVE-2018-1794 DESCRIPTION: IBM WebSphere Application Server using OAuth ear 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: 6.1 CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/ 148949 for the current score CVSS Environmental Score*: Undefined CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/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 APARs for each named product as soon as practical. Note: After the interim fix for this APAR is installed, the fix will not be active until the installed OAuth 2.0 client application, WebSphereOauth20SP.ear, is updated from the (WAS_HOME)/installableApps directory. WebSphereOauth20SP.ear may have initially been installed with the installOAuth2Service.py script in the (WAS_HOME)/bin directory. For WebSphere Application Server traditional and WebSphere Application Server Hypervisor Edition: For V9.0.0.0 through 9.0.0.9: . Upgrade to minimal fix pack levels as required by interim fix and then apply Interim Fix PH01753 - --OR-- . Apply Fix Pack 9.0.0.10 or later (targeted availability 4Q 2018). For V8.5.0.0 through 8.5.5.14: . Upgrade to minimal fix pack levels as required by interim fix and then apply Interim Fix PH01753 - --OR-- . Apply Fix Pack 8.5.5.15 or later (targeted availability 1Q 2019). For V8.0.0.0 through 8.0.0.15: . Upgrade to a minimal fix pack levels as required by interim fix and then apply Interim Fix PH01753 For V7.0.0.0 through 7.0.0.45: . Upgrade to a minimal fix pack levels as required by interim fix and then apply Interim Fix PH01753 WebSphere Application Server V7 and V8 are no longer in full support; IBM recommends upgrading to a fixed, supported version/release/platform of the product. Important Note IBM strongly suggests that all System z customers be subscribed to the System z Security Portal to receive the latest critical System z security and integrity service. If you are not subscribed, see the instructions on the System z Security web site. Security and integrity APARs and associated fixes will be posted to this portal. IBM suggests reviewing the CVSS scores and applying all security or integrity fixes as soon as possible to minimize any potential risk. Acknowledgement The vulnerability was reported to IBM by Benoit Ct-Jodoin Change History 01 October 2018: 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: Cross-site scripting vulnerability in SAML ear in WebSphere Application Server (CVE-2018-1793) Security Bulletin Document information More support for: WebSphere Application Server Software version: 7.0, 8.0, 8.5, 9.0 Operating system(s): AIX, HP-UX, IBM i, Linux, Solaris, Windows, z/OS Software edition: AIX, HP-UX, IBM i, Linux, Solaris, Windows, z/OS Reference #: 0729563 Modified date: 01 October 2018 Summary There is a potential cross-site scripting vulnerability in SAML ear in WebSphere Application Server. Vulnerability Details CVEID: CVE-2018-1793 DESCRIPTION: IBM WebSphere Application Server using SAML ear 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: 6.1 CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/ 148948 for the current score CVSS Environmental Score*: Undefined CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/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 APARs for each named product as soon as practical. NOTE: After the interim fix is installed, the interim fix will not be active until the installed SAML ACS application, WebSphereSamlSP.ear, is updated from the (WAS_HOME)/installableApps directory. For WebSphere Application Server traditional and WebSphere Application Server Hypervisor Edition: For V9.0.0.0 through 9.0.0.9: . Upgrade to minimal fix pack levels as required by interim fix and then apply Interim Fix PH01752 - --OR-- . Apply Fix Pack 9.0.0.10 or later (targeted availability 4Q 2018). For V8.5.0.0 through 8.5.5.14: . Upgrade to minimal fix pack levels as required by interim fix and then apply Interim Fix PH01752 - --OR-- . Apply Fix Pack 8.5.5.15 or later (targeted availability 1Q 2019). For V8.0.0.0 through 8.0.0.15: . Upgrade to a minimal fix pack levels as required by interim fix and then apply Interim Fix PH01752 For V7.0.0.0 through 7.0.0.45: . Upgrade to a minimal fix pack levels as required by interim fix and then apply Interim Fix PH01752 WebSphere Application Server V7 and V8 are no longer in full support; IBM recommends upgrading to a fixed, supported version/release/platform of the product. Acknowledgement The vulnerability was reported to IBM by Benoit Ct-Jodoin Change History 01 October 2018: 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: Multiple security vulnerabilities in GSKit used by Edge Caching proxy of WebSphere Application Server Security Bulletin Document information More support for: WebSphere Application Server Software version: 8.0, 8.5, 9.0 Operating system(s): AIX, HP-UX, IBM i, Linux, Solaris, Windows, z/OS Reference #: 0732391 Modified date: 01 October 2018 Summary There are multiple security vulnerabilities in the GSKit used by Edge Caching proxy of WebSphere Application Server. This is a separate install from WebSphere Application Server. You only need to apply this if you use the Edge Caching Proxy. Vulnerability Details CVEID: CVE-2018-1447 DESCRIPTION: The GSKit (IBM Spectrum Protect 7.1 and 7.2) and (IBM Spectrum Protect Snapshot 4.1.3, 4.1.4, and 4.1.6) CMS KDB logic fails to salt the hash function resulting in weaker than expected protection of passwords. A weak password may be recovered. Note: After update the customer should change password to ensure the new password is stored more securely. Products should encourage customers to take this step as a high priority action. IBM X-Force ID: 139972. CVSS Base Score: 5.1 CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/ 139972 for the current score CVSS Environmental Score*: Undefined CVSS Vector: (CVSS:3.0/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N) CVEID: CVE-2018-1427 DESCRIPTION: IBM GSKit (IBM DB2 for Linux, UNIX and Windows 9.7, 10.1, 10.5, and 11.1) contains several enviornment variables that a local attacker could overflow and cause a denial of service. IBM X-Force ID: 139072. CVSS Base Score: 6.2 CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/ 139072 for the current score CVSS Environmental Score*: Undefined CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H) CVEID: CVE-2018-1426 DESCRIPTION: IBM GSKit (IBM DB2 for Linux, UNIX and Windows 9.7, 10.1, 10.5, and 11.1) duplicates the PRNG state across fork() system calls when multiple ICC instances are loaded which could result in duplicate Session IDs and a risk of duplicate key material. IBM X-Force ID: 139071. CVSS Base Score: 7.4 CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/ 139071 for the current score CVSS Environmental Score*: Undefined CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N) CVEID: CVE-2017-3736 DESCRIPTION: OpenSSL could allow a remote attacker to obtain sensitive information, caused by a carry propagation flaw in the x86_64 Montgomery squaring function bn_sqrx8x_internal(). An attacker with online access to an unpatched system could exploit this vulnerability to obtain information about the private key. CVSS Base Score: 5.9 CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/ 134397 for the current score CVSS Environmental Score*: Undefined CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N) CVEID: CVE-2017-3732 DESCRIPTION: OpenSSL could allow a remote attacker to obtain sensitive information, caused by a carry propagating bug in the x86_64 Montgomery squaring procedure. An attacker could exploit this vulnerability to obtain information about the private key. CVSS Base Score: 5.3 CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/ 121313 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) CVEID: CVE-2016-0705 DESCRIPTION: OpenSSL is vulnerable to a denial of service, caused by a double-free error when parsing DSA private keys. An attacker could exploit this vulnerability to corrupt memory and cause a denial of service. CVSS Base Score: 3.7 CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/ 111140 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:N/A:L) CVEID: CVE-2016-0702 DESCRIPTION: OpenSSL could allow a local attacker to obtain sensitive information, caused by a side-channel attack against a system based on the Intel Sandy-Bridge microarchitecture. An attacker could exploit this vulnerability to recover RSA keys. CVSS Base Score: 2.9 CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/ 111144 for the current score CVSS Environmental Score*: Undefined CVSS Vector: (CVSS:3.0/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N) Affected Products and Versions These vulnerabilities affect the Edge Caching Proxy (separate install) shipped with the following versions and releases of IBM WebSphere Application Server: o Version 9.0 o Version 8.5 o Version 8.0 Remediation/Fixes The recommended solution is to apply the Fix Pack or PTF for each named product as soon as practical. Fix: Apply an Interim Fix, Fix Pack or PTF containing APAR PH00635 if you use the Edge Caching Proxy component (separate install from WebSphere Application Server) as noted below: For IBM WebSphere Application Server For V9.0.0.0 through 9.0.0.8: o Upgrade to 9.0.0.7 or 9.0.0.8 fix pack level then apply Interim Fix 9.0.8-WS-EDGECP-FP00000081.zip - -- OR o Apply Fix Pack 9 (9.0.0.9), or later. For V8.5.0.0 through 8.5.5.14: o Upgrade to 8.5.5.13 or 8.5.5.14 fix pack level and then apply Interim Fix 8.5.5-WS-EDGECP-FP000000141.zip - -- OR o Apply Fix Pack 15 (8.5.5.15), or later (targeted availability 1Q2019). For V8.0.0.0 through 8.0.0.1 5: o Upgrade to 8.0.0.15 fix pack level and then apply Interim Fix 8.0.0-WS-EDGECP-FP000000151.zip WebSphere Application Server V8 is no longer in full support; IBM recommends upgrading to a fixed, supported version/release/platform of the product. Change History 01 October 2018: 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. 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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 iQIVAwUBW7LqZmaOgq3Tt24GAQiOShAAiWE/oA5hIBSOwm0dH5+j0+a2645QJvZ/ pcOyeiuufcXFMohKY7vgOqz0wFfERl1/YevznVSUg8GmKaQizj7YOLwzri6ZvJj9 y++IbmZUg4jxIROR0URgILnUka6lKk08CqnDvvhPi8eRRda9dZ2Ma4OALpmX027m jHC6UprQFG3IDB4rGdVn1sSyC3+aULG3Ppg70HQdAcrjTjuY3+M+fygzZvZYUmCm MFdPf+mC5MRk9YW4MI1pdkekEwqnDdWBW8tlrmzn4W/CNUovxGofb9P7THlFgHia Rlbw7CL8qXqnnCDCP/HRFsI5i9IYw/2zuulrSzy31R8GwgzUJK6leUkya77ns205 MW3hZGI081bkF0nH0CiQSKZhJauJ6Yo4+Qg1abqyCt+w+q8FuRhxeqMJedpXv6zD LxMOQqEEwnPUmqJWyBIi2rHZDShebrRBF2Bvd7tC2fgncPCN2In4CZqgfYuqBj7C F3DeXf22NDXcGaU46K5YnLL2xk6qWelamq66DEh17uEpJob8g6p6awcJMkzW+xX8 qu7QZJDNye8LWb6ma4Rll4QG1Wp+9ZtA/YHevVj5kR3SOSz7GGCDQ4PQAkO1m5Jf ZE3nXmvY6gY4dCkTfY+n+p2crjGhAmD6yg2LlkIlKp40Dj65SgUg7COlbm4Gdz7O 3OXO2G8KvlE= =fY2/ -----END PGP SIGNATURE-----