Protect yourself against future threats.
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2018.0981 Security Bulletin: Open Source GNU glibc Vulnerabilities Security Bulletin: Open Source GNU glibc Vulnerabilities which is used by IBM OS Images for RedHat Linux in IBM PureApplication Systems (CVE-2017-12132) 3 April 2018 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: IBM PureApplication Software Suite IBM Bluemix Local System IBM PureApplication System/Software Publisher: IBM Operating System: UNIX variants (UNIX, Linux, OSX) Windows AIX Impact/Access: Execute Arbitrary Code/Commands -- Remote/Unauthenticated Access Privileged Data -- Remote/Unauthenticated Denial of Service -- Remote/Unauthenticated Provide Misleading Information -- Remote/Unauthenticated Resolution: Patch/Upgrade CVE Names: CVE-2017-12163 CVE-2017-12150 CVE-2017-12132 CVE-2015-8779 CVE-2015-8778 CVE-2014-9761 Reference: ASB-2016.0017 ESB-2018.0628 ESB-2018.0601 ESB-2018.0473 ESB-2017.3225.2 ESB-2017.1881 ESB-2017.0400 ESB-2016.2106 Original Bulletin: http://www.ibm.com/support/docview.wss?uid=swg22015245 http://www.ibm.com/support/docview.wss?uid=swg22009218 http://www.ibm.com/support/docview.wss?uid=swg22009146 Comment: This bulletin contains three (3) IBM security advisories. - --------------------------BEGIN INCLUDED TEXT-------------------- Security Bulletin Document information More support for: PureApplication System Security Software version: 2.2.2.0, 2.2.2.1, 2.2.2.2, 2.2.3.0, 2.2.3.1, 2.2.3.2, 2.2.4.0 Operating system(s): Platform Independent Reference #: 2015245 Modified date: 02 April 2018 Summary There are vulnerabilities in the Open Source GNU glibc that is used by the OS Images for IBM PureApplication Software Suite, IBM Bluemix Local System and IBM PureApplication System/Software Vulnerability Details CVEID: CVE-2017-12132 DESCRIPTION: GNU C Library (aka glibc or libc6) could allow a remote attacker to conduct spoofing attacks, caused by a flaw in the DNS stub resolver. An attacker could exploit this vulnerability to perform off-path DNS spoofing attacks. CVSS Base Score: 5.3 CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/ 129949 for the current score CVSS Environmental Score*: Undefined 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 IBM OS Image for Red Hat Linux Systems 2.1.5.0 IBM OS Image for Red Hat Linux Systems 2.1.6.0 IBM OS Image for Red Hat Linux Systems 2.1.7.0 IBM OS Image for Red Hat Linux Systems 2.1.8.0 IBM OS Image for Red Hat Linux Systems 3.0.5.0 IBM OS Image for Red Hat Linux Systems 3.0.6.0 IBM OS Image for Red Hat Linux Systems 3.0.7.0 Remediation/Fixes The solution is to upgrade the IBM PureApplication System to the following fix level: IBM PureApplication V2.2.0.0, V2.2.1.0, V2.2.2.0, V2.2.2.1, V2.2.2.2, V2.2.3.0, V2.2.3.1, V2.2.3.2, V2.2.4.0 o Upgrade to IBM PureApplication V2.2.5.0. Contact IBM for assistance. PureApplication Software: Linux: http://www.ibm.com/support/fixcentral/swg/quickorderparent=PureSystems&product =ibm/WebSphere/PureApplication+System&release=2.2.5.0&platform=All&function= fixId&fixids=pureappsw_content_2250&includeRequisites=1&includeSupersedes=0& downloadMethod=ddp&source=fc PureApplication System: AIX http://www.ibm.com/support/fixcentral/swg/quickorderparent=PureSystems&product =ibm/WebSphere/PureApplication+System&release=2.2.5.0&platform=All&function= fixId&fixids=Group_Content_PureApplicationSystem_2.2.5.0_Power& includeRequisites=1&includeSupersedes=0&downloadMethod=ddp&source=fc Linux http://www.ibm.com/support/fixcentral/swg/quickorderparent=PureSystems&product =ibm/WebSphere/PureApplication+System&release=2.2.5.0&platform=All&function= fixId&fixids=Group_Content_PureApplicationSystem_2.2.5.0_Intel& includeRequisites=1&includeSupersedes=0&downloadMethod=ddp&source=fc Intel http://www.ibm.com/support/fixcentral/swg/quickorderparent=PureSystems&product =ibm/WebSphere/PureApplication+System&release=2.2.5.0&platform=All&function= fixId&fixids=Group_Base_RedHat_PureApplicationSystem_2.2.5.0_Intel& includeRequisites=1&includeSupersedes=0&downloadMethod=ddp&source=fc Information on upgrading can be found here: http://www-01.ibm.com/support/ docview.wssuid=swg27039159 Workarounds and Mitigations None Get Notified about Future Security Bulletins Subscribe to My Notifications to be notified of important product support alerts like this. References Complete CVSS v3 Guide On-line Calculator v3 Related information IBM Secure Engineering Web Portal IBM Product Security Incident Response Blog Change History April 2, 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: Open Source GNU glibc Vulnerabilities which is used by IBM OS Images for RedHat Linux in IBM PureApplication Systems (CVE-2014-9761 CVE-2015-8778 CVE-2015-8779) Security Bulletin Document information More support for: Security Software version: 2.2.2.0, 2.2.2.1, 2.2.2.2, 2.2.3.0, 2.2.3.1, 2.2.3.2 Operating system(s): AIX, Linux, Windows Reference #: 2009218 Modified date: 02 April 2018 Summary There are vulnerabilities in the Open Source GNU glibc that is used by the OS Images for IBM PureApplication Software Suite, IBM Bluemix Local System and IBM PureApplication System/Software Vulnerability Details CVEID: CVE-2014-9761 DESCRIPTION: GNU C Library (glibc) is vulnerable to a stack-based buffer overflow, caused by improper bounds checking by the nan function. By sending an overly long string, a remote attacker could overflow a buffer and execute arbitrary code on the system or cause the application to crash. CVSS Base Score: 5.6 CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/ 111085 for the current score CVSS Environmental Score*: Undefined CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L) CVEID: CVE-2015-8778 DESCRIPTION: GNU C Library (glibc) could allow a remote attacker to execute arbitrary code on the system, caused by an integer overflow in hcreate and hcreate_r. An attacker could exploit this vulnerability to trigger an out-of-bound memory access and execute arbitrary code on the system or cause the application to crash. CVSS Base Score: 5.6 CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/ 111086 for the current score CVSS Environmental Score*: Undefined CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L) CVEID: CVE-2015-8779 DESCRIPTION: GNU C Library (glibc) is vulnerable to a stack-based buffer overflow, caused by improper bounds checking by the catopen function. By sending an overly long string, a remote attacker could overflow a buffer and execute arbitrary code on the system or cause the application to crash. CVSS Base Score: 5.6 CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/ 111087 for the current score CVSS Environmental Score*: Undefined CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L) Affected Products and Versions IBM OS Image for Red Hat Linux Systems 2.1.5.0 IBM OS Image for Red Hat Linux Systems 2.1.6.0 IBM OS Image for Red Hat Linux Systems 2.1.7.0 IBM OS Image for Red Hat Linux Systems 2.1.8.0 IBM OS Image for Red Hat Linux Systems 3.0.5.0 IBM OS Image for Red Hat Linux Systems 3.0.6.0 IBM OS Image for Red Hat Linux Systems 3.0.7.0 Remediation/Fixes The solution is to upgrade the IBM PureApplication System to the following fix level: IBM PureApplication V2.2.0.0, V2.2.1.0, V2.2.2.0, V2.2.2.1, V2.2.2.2, V2.2.3.0, V2.2.3.1, V2.2.3.2, V2.2.4.0 o Upgrade to IBM PureApplication V2.2.5.0. Contact IBM for assistance. PureApplication Software: Linux: http://www.ibm.com/support/fixcentral/swg/quickorderparent=PureSystems&product =ibm/WebSphere/PureApplication+System&release=2.2.5.0&platform=All&function= fixId&fixids=pureappsw_content_2250&includeRequisites=1&includeSupersedes=0& downloadMethod=ddp&source=fc PureApplication System: AIX http://www.ibm.com/support/fixcentral/swg/quickorderparent=PureSystems&product =ibm/WebSphere/PureApplication+System&release=2.2.5.0&platform=All&function= fixId&fixids=Group_Content_PureApplicationSystem_2.2.5.0_Power& includeRequisites=1&includeSupersedes=0&downloadMethod=ddp&source=fc Linux http://www.ibm.com/support/fixcentral/swg/quickorderparent=PureSystems&product =ibm/WebSphere/PureApplication+System&release=2.2.5.0&platform=All&function= fixId&fixids=Group_Content_PureApplicationSystem_2.2.5.0_Intel& includeRequisites=1&includeSupersedes=0&downloadMethod=ddp&source=fc Intel http://www.ibm.com/support/fixcentral/swg/quickorderparent=PureSystems&product =ibm/WebSphere/PureApplication+System&release=2.2.5.0&platform=All&function= fixId&fixids=Group_Base_RedHat_PureApplicationSystem_2.2.5.0_Intel& includeRequisites=1&includeSupersedes=0&downloadMethod=ddp&source=fc Information on upgrading can be found here: http://www-01.ibm.com/support/ docview.wssuid=swg27039159 Workarounds and Mitigations None Get Notified about Future Security Bulletins Subscribe to My Notifications to be notified of important product support alerts like this. References Complete CVSS v3 Guide On-line Calculator v3 Related information IBM Secure Engineering Web Portal IBM Product Security Incident Response Blog Change History October 2, 2017: Original document published April 2, 2018 Update download information *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: Open Source Samba Samba Vulnerabilities which is used by IBM OS Images for RedHat Linux in IBM PureApplication Systems (CVE-2017-12163 CVE-2017-12150) Security Bulletin Document information More support for: PureApplication System Security Software version: 2.1.0.0, 2.1.0.1, 2.1.0.2, 2.1.1.0, 2.1.2.0, 2.1.2.1, 2.1.2.2, 2.1.2.3, 2.1.2.4, 2.2.0.0, 2.2.1.0, 2.2.2.0, 2.2.2.1, 2.2.2.2, 2.2.3.0, 2.2.3.1, 2.2.3.2 Operating system(s): AIX, Linux, Windows Reference #: 2009146 Modified date: 02 April 2018 Summary There are vulnerabilities in the Open Source GNU glibc that is used by the OS Images for IBM PureApplication Software Suite, IBM Bluemix Local System and IBM PureApplication System/Software Vulnerability Details CVEID: CVE-2017-12163 DESCRIPTION: Samba could allow a remote authenticated attacker to obtain sensitive information, caused by a memory leak over SMB1. By sending specially crafted SMB1 data, an attacker could exploit this vulnerability to cause portions of server memory contents to be written to a file and obtain sensitive information. CVSS Base Score: 6.5 CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/ 132351 for the current score CVSS Environmental Score*: Undefined CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N) CVEID: CVE-2017-12150 DESCRIPTION: Samba could allow a remote attacker to obtain sensitive information, caused by the failure to require SMB signing in SMB1/2/3 connections. An attacker could exploit this vulnerability using man-in-the-middle techniques to hijack client connections and obtain sensitive information. CVSS Base Score: 5.9 CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/ 132349 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) Affected Products and Versions IBM OS Image for Red Hat Linux Systems 2.1.5.0 IBM OS Image for Red Hat Linux Systems 2.1.6.0 IBM OS Image for Red Hat Linux Systems 2.1.7.0 IBM OS Image for Red Hat Linux Systems 2.1.8.0 IBM OS Image for Red Hat Linux Systems 3.0.5.0 IBM OS Image for Red Hat Linux Systems 3.0.6.0 IBM OS Image for Red Hat Linux Systems 3.0.7.0 Remediation/Fixes The solution is to upgrade the IBM PureApplication System to the following fix level: IBM PureApplication V2.2.0.0, V2.2.1.0, V2.2.2.0, V2.2.2.1, V2.2.2.2, V2.2.3.0, V2.2.3.1, V2.2.3.2, V2.2.4.0 o Upgrade to IBM PureApplication V2.2.5.0. Contact IBM for assistance. PureApplication Software: Linux: http://www.ibm.com/support/fixcentral/swg/quickorderparent=PureSystems&product =ibm/WebSphere/PureApplication+System&release=2.2.5.0&platform=All&function= fixId&fixids=pureappsw_content_2250&includeRequisites=1&includeSupersedes=0& downloadMethod=ddp&source=fc PureApplication System: AIX http://www.ibm.com/support/fixcentral/swg/quickorderparent=PureSystems&product =ibm/WebSphere/PureApplication+System&release=2.2.5.0&platform=All&function= fixId&fixids=Group_Content_PureApplicationSystem_2.2.5.0_Power& includeRequisites=1&includeSupersedes=0&downloadMethod=ddp&source=fc Linux http://www.ibm.com/support/fixcentral/swg/quickorderparent=PureSystems&product =ibm/WebSphere/PureApplication+System&release=2.2.5.0&platform=All&function= fixId&fixids=Group_Content_PureApplicationSystem_2.2.5.0_Intel& includeRequisites=1&includeSupersedes=0&downloadMethod=ddp&source=fc Intel http://www.ibm.com/support/fixcentral/swg/quickorderparent=PureSystems&product =ibm/WebSphere/PureApplication+System&release=2.2.5.0&platform=All&function= fixId&fixids=Group_Base_RedHat_PureApplicationSystem_2.2.5.0_Intel& includeRequisites=1&includeSupersedes=0&downloadMethod=ddp&source=fc Information on upgrading can be found here: http://www-01.ibm.com/support/ docview.wssuid=swg27039159 Workarounds and Mitigations None Get Notified about Future Security Bulletins Subscribe to My Notifications to be notified of important product support alerts like this. References Complete CVSS v3 Guide On-line Calculator v3 Related information IBM Secure Engineering Web Portal IBM Product Security Incident Response Blog Change History April 2, 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. 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 iQIVAwUBWsMqeIx+lLeg9Ub1AQhYvg/9G5NReuDZ81VOREWp8yATMCVfQ+cdqzIt o/mo+LG5AScGGxhy0Lxe6ttOZFBVrUHR4qjhPJNXO8T3fcEocHzdliEu1Py6rRdz pP4foFeuhJCFn/02x2Pct9taodsTc9pVlWuMXsoKbWUxBy2IRH2O737HOzrNI9AO LYPtWBqyeFKP1+u0mm7Z73qb3WZ0c/DZxSaHMKzaXOI4q7/yDS/asRyBVcbrDIov eNcUYa5If5z3FOZEXb8JbJnjEMj4Oz5ntLeIJQmhcBd7O0G/NOD3ov8LaM9qC1o6 ybJsS1lJwLx+J8wuxzHNnFWXVlXQRFiLYI9O4FGW9mAtAWREVHOc1BQ/f91XFSHc FS9LgqusrB9MKj3o3XgC+UbvTrFpp8dNRKQr/Y3Sxu92/J0TiZS2/yEihpW0tq7p GVutl7ONgvNsO8aAWpDUi5E12Aico5hv1w9+H22bqvcBTqt0qm1OiIkYh23uhA97 IF9j3D6SNBfb64seXHiVueskuG9DIn7u2SXFsYKEv1PgDmgkuKaPHJE5zMUlnlVX nXNNAFTkTmKRqYcc3aZRpfz+KJqkFKJ6VX+5LlZLjuGPOFRFDYlr3U9KKGOkZiBf h40H6Q1V4UOsB7j626KWTxx5h3RUvaT/pAxy8K6PAHnLWyToefyFeQj0E20BYSJr BDxKnW21EkM= =ZHah -----END PGP SIGNATURE-----