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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2018.1972 Format string vulnerability in IBM Db2 tool db2support (CVE-2018-1566). 9 July 2018 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: IBM Db2 db2support Publisher: IBM Operating System: AIX HP-UX Linux variants Solaris Windows Impact/Access: Execute Arbitrary Code/Commands -- Existing Account Increased Privileges -- Existing Account Resolution: Patch/Upgrade CVE Names: CVE-2018-1566 Original Bulletin: http://www.ibm.com/support/docview.wss?uid=swg22016182 - --------------------------BEGIN INCLUDED TEXT-------------------- Security Bulletin: Format string vulnerability in IBM Db2 tool db2support (CVE-2018-1566). Security Bulletin Document information Software version: 9.7, 10.1, 10.5, 11.1 Operating system(s): AIX, HP-UX, Linux, Solaris, Windows Software edition: Advanced Enterprise Server, Advanced Workgroup Server, Enterprise Server, Express, Express-C, Personal, Workgroup Server Reference #: 2016182 Modified date: 06 July 2018 Summary Db2 tool db2support is affected by format string vulnerability. As installed this tool does not run with elevated privileges (setuid) and when called directly the vulnerability does not lead to privilege escalation. However, if a customer's own application or script runs with elevated privileges and executes db2support, the vulnerability may lead to privilege escalation. This tool is not called by Db2 in such a manner. The vulnerability only exists for local users, it cannot be remotely exploited. Vulnerability Details CVEID: CVE-2018-1566 DESCRIPTION: IBM DB2 for Linux, UNIX and Windows (includes DB2 Connect Server) could allow a local user to execute arbitrary code due to a format string error. CVSS Base Score: 8.4 CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/ 143023 for the current score CVSS Environmental Score*: Undefined CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H) Affected Products and Versions All fix pack levels of IBM Db2 V9.7, V10.1, V10.5, and V11.1 editions on all platforms are affected. Remediation/Fixes The recommended solution is to apply the appropriate fix for this vulnerability. FIX: Customers running any vulnerable fixpack level of an affected Program, V9.7, V10.1, and V10.5, can download the special build containing the interim fix for this issue from Fix Central. These special builds are available based on the most recent fixpack level for each impacted release: DB2 V9.7 FP11, V10.1 FP6, V10.5 FP9 and V11.1.3 iFix001. They can be applied to any affected fixpack level of the appropriate release to remediate this vulnerability. +----------------------------------------------------------------------------------------------+ |Release |Fixed in |APAR |Download URL | | |fix pack | | | |-------------+---------+---------+------------------------------------------------------------| |V9.7 |TBD |IT24826 |Special Build for V9.7 FP11: | | | | | | | | | |AIX 64-bit | | | | |HP-UX 64-bit | | | | |Linux 32-bit, x86-32 | | | | |Linux 64-bit, x86-64 | | | | |Linux 64-bit, POWER big endian | | | | |Linux 64-bit, System z , System z9 or zSeries | | | | |Solaris 64-bit, SPARC | | | | |Solaris 64-bit, x86-64 | | | | |Windows 32-bit, x86 | | | | |Windows 64-bit, x86 | |-------------+---------+---------+------------------------------------------------------------| |V10.1 |TBD |IT24825 |Special Build for V10.1 FP6: | | | | | | | | | |AIX 64-bit | | | | |HP-UX 64-bit | | | | |Linux 32-bit, x86-32 | | | | |Linux 64-bit, x86-64 | | | | |Linux 64-bit, POWER big endian | | | | |Linux 64-bit, System z , System z9 or zSeries | | | | |Solaris 64-bit, SPARC | | | | |Solaris 64-bit, x86-64 | | | | |Windows 32-bit, x86 | | | | |Windows 64-bit, x86 | |-------------+---------+---------+------------------------------------------------------------| |V10.5 |TBD |IT24824 |Special Build for V10.5 FP9: | | | | | | | | | |AIX 64-bit | | | | |HP-UX 64-bit | | | | |Linux 32-bit, x86-32 | | | | |Linux 64-bit, x86-64 | | | | |Linux 64-bit, POWER big endian | | | | |Linux 64-bit, POWER little endian | | | | |Linux 64-bit, System z , System z9 or zSeries | | | | |Solaris 64-bit, SPARC | | | | |Solaris 64-bit, x86-64 | | | | |Windows 32-bit, x86 | | | | |Windows 64-bit, x86 | | | | |Inspur | |-------------+---------+---------+------------------------------------------------------------| |V11.1.3 |TBD |IT24823 |Special Build for V11.1.3.3 iFix001: | | | | | | | | | |AIX 64-bit | | | | |Linux 32-bit, x86-32 | | | | |Linux 64-bit, x86-64 | | | | |Linux 64-bit, POWER little endian | | | | |Linux 64-bit, System z , System z9 or zSeries | | | | |Solaris 64-bit, SPARC | | | | |Windows 32-bit, x86 | | | | |Windows 64-bit, x86 | +----------------------------------------------------------------------------------------------+ Workarounds and Mitigations None. Change History July 6, 2018: Original Version Published. July 6, 2018: Db2 V10.1 Windows 32-bit download link added. - --------------------------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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