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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2017.1833 Security Bulletin: Vulnerabilities in open source zlib library affect IBM Data Server Driver Package and IBM Data Server Driver for ODBC and CLI 26 July 2017 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: IBM DB2 Connect Publisher: IBM Operating System: AIX HP-UX Linux variants Solaris Windows Impact/Access: Denial of Service -- Remote with User Interaction Resolution: Patch/Upgrade CVE Names: CVE-2016-9843 CVE-2016-9842 CVE-2016-9841 CVE-2016-9840 Reference: ESB-2017.0985 ESB-2017.0805 ESB-2017.0492 Original Bulletin: http://www.ibm.com/support/docview.wss?uid=swg22002754 - --------------------------BEGIN INCLUDED TEXT-------------------- Security Bulletin: Vulnerabilities in open source zlib library affect IBM Data Server Driver Package and IBM Data Server Driver for ODBC and CLI Document information More support for: DB2 Connect Software version: 11.1 Operating system(s): AIX, HP-UX, Linux, Solaris, Windows Reference #: 2002754 Modified date: 24 July 2017 Security Bulletin Summary Vulnerabilities have been addressed in the open source zlib library component of IBM Data Server Driver Package and IBM Data Server Driver for ODBC and CLI. Vulnerability Details CVEID: CVE-2016-9840 DESCRIPTION: zlib is vulnerable to a denial of service, caused by an out-of-bounds pointer arithmetic in inftrees.c. By persuading a victim to open a specially crafted document, a remote attacker could exploit this vulnerability to cause a denial of service. CVSS Base Score: 3.3 CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/120508 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:N/A:L) CVEID: CVE-2016-9841 DESCRIPTION: zlib is vulnerable to a denial of service, caused by an out-of-bounds pointer arithmetic in inftrees.c. By persuading a victim to open a specially crafted document, a remote attacker could exploit this vulnerability to cause a denial of service. CVSS Base Score: 3.3 CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/120509 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:N/A:L) CVEID: CVE-2016-9842 DESCRIPTION: zlib is vulnerable to a denial of service, caused by an undefined left shift of negative number. By persuading a victim to open a specially crafted document, a remote attacker could exploit this vulnerability to cause a denial of service. CVSS Base Score: 3.3 CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/120510 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:N/A:L) CVEID: CVE-2016-9843 DESCRIPTION: zlib is vulnerable to a denial of service, caused by a big-endian out-of-bounds pointer. By persuading a victim to open a specially crafted document, a remote attacker could exploit this vulnerability to cause a denial of service. CVSS Base Score: 3.3 CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/120511 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:N/A:L) Affected Products and Versions The following editions are affected in fix pack V11.1 on all Platforms. - - IBM Data Server Driver for ODBC and CLI - - IBM Data Server Driver Package Remediation/Fixes The fix for this problem is available for IBM Data Server Driver Package and IBM Data Server Driver for ODBC and CLI in Db2 11.1.2.2 (Mod 2 fix pack 2) and later. Refer to the following chart to determine how to proceed to obtain a needed fixpack. Product VRMF APAR Remidiation/First Fix IBM Data Server Driver Package DB2 11.1 Mod 2 Fix Pack 2 Nil MacOS 64 bit Linux/390x 64 bit IBM Data Server Driver for ODBC, CLI, and .NET Merge Modules (Windows/x86-64 64 bit) Windows/x86-64 64 bit Windows/x86-32 32 bit IBM Data Server Driver for ODBC, CLI, and .NET Merge Modules (Windows/x86-32 32 bit) Linux/ppc64 64 bit Linux/x86-32 32 bit Linux/x86-64 64 bit AIX 64 bit IBM Data Server Driver for ODBC and DB2 11.1 Mod 2 Fix Pack 2 Nil Linux/390x 64 bit CLI (32 bit) AIX 64 bit IBM Data Server Driver for ODBC and DB2 11.1 Mod 2 Fix Pack 2 Nil Linux/390x 64 bit CLI (64 bit) Windows/x86-64 64 bit Windows/x86-32 32 bit Linux/ppc64 64 bit Linux/x86-32 32 bit Linux/x86-64 64 bit AIX 64 bit 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 Acknowledgement None Change History 24-July-2017 Initial 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. - --------------------------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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