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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2019.2360.3 Security Bulletin: IBM Db2 is vulnerable to buffer overflow leading to potential arbitrary code execution as root (CVE-2019-4154). 26 July 2019 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: IBM DB2 for Linux, UNIX and Windows Publisher: IBM Operating System: AIX HP-UX Linux variants Solaris Impact/Access: Root Compromise -- Existing Account Resolution: Patch/Upgrade CVE Names: CVE-2019-4154 Original Bulletin: https://www-01.ibm.com/support/docview.wss?uid=ibm10880737 Revision History: July 26 2019: Added links for repackaged V11.1, V10.1 and V9.7 images. Remaining links for V10.5 platforms and V9.7 linuxia32 will be added as soon as the repackaged images are available. July 19 2019: The images on Unix-type platforms need to be repackaged due to problem with db2iupdt tool. Disabled links until the new repackaged image is available. June 28 2019: Initial Release - --------------------------BEGIN INCLUDED TEXT-------------------- Security Bulletin: IBM(R) Db2(R) is vulnerable to buffer overflow leading to potential arbitrary code execution as root (CVE-2019-4154). CVE-2019-4154; buffer overflow Document information More support for: DB2 for Linux, UNIX and Windows Software version: 9.7, 10.1, 10.5, 11.1 Operating system(s): AIX, HP-UX, Linux, Solaris Reference #: 0880737 Modified date: 24 July 2019 Summary Db2 is vulnerable to a buffer overflow, which could allow an authenticated local attacker to execute arbitrary code on the system as root. Vulnerability Details CVEID: CVE-2019-4154 DESCRIPTION: IBM DB2 for Linux, UNIX and Windows (includes DB2 Connect Server) is vulnerable to a buffer overflow, which could allow an authenticated local attacker to execute arbitrary code on the system as root. CVSS Base Score: 8.4 CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/ 158519 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 except Windows are affected. Windows platforms are not 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, V10.5, and V11.1, 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 FP10 and V11.1.4.4 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 |IT28443 |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(TM) big endian | | | | |Linux 64-bit, System z(R), System z9(R) or zSeries(R) | | | | |Solaris 64-bit, SPARC | | | | |Solaris 64-bit, x86-64 | +---------------+----------+----------+--------------------------------------------------------------------+ |V10.1 |TBD |IT28442 |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(TM) big endian | | | | |Linux 64-bit, System z(R), System z9(R) or zSeries(R) | | | | |Solaris 64-bit, SPARC | | | | |Solaris 64-bit, x86-64 | +---------------+----------+----------+--------------------------------------------------------------------+ |V10.5 |TBD |IT28441 |Special Build for V10.5 FP10: | | | | | | | | | |AIX 64-bit | | | | |HP-UX 64-bit | | | | |Linux 32-bit, x86-32 | | | | |Linux 64-bit, x86-64 | | | | |Linux 64-bit, POWER(TM) big endian | | | | |Linux 64-bit, POWER(TM) little endian | | | | |Linux 64-bit, System z(R), System z9(R) or zSeries(R) | | | | |Solaris 64-bit, SPARC | | | | |Solaris 64-bit, x86-64 | | | | |Inspur | +---------------+----------+----------+--------------------------------------------------------------------+ |V11.1 |TBD |IT28440 |Special Build for V11.1.4.4 iFix001: | | | | | | | | | |AIX 64-bit | | | | |Linux 32-bit, x86-32 | | | | |Linux 64-bit, x86-64 | | | | |Linux 64-bit, POWER(TM) little endian | | | | |Linux 64-bit, System z(R), System z9(R) or zSeries(R) | | | | |Solaris 64-bit, SPARC | +---------------+----------+----------+--------------------------------------------------------------------+ Workarounds and Mitigations None. Change History June 27, 2019: Original Version Published. July 18, 2019: The images on Unix-type platforms need to be repackaged due to problem with db2iupdt tool. Disabled links until the new repackaged images are available. July 24, 2019: Added links for repackaged V11.1, V10.1 and V9.7 images. Remaining links for V10.5 platforms and V9.7 linuxia32 will be added as soon as the repackaged images are available. *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. 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