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AUSCERT External Security Bulletin Redistribution
ESB-2020.4530
IBM® Db2 is vulnerable to a Denial of Service on Windows (CVE-2020-4642)
23 December 2020
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AusCERT Security Bulletin Summary
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Product: IBM DB2
Publisher: IBM
Operating System: Windows
Impact/Access: Denial of Service -- Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2020-4642
Original Bulletin:
https://www.ibm.com/support/pages/node/6391652
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Summary
IBM Db2 for Windows (includes Db2 Connect Server) could allow local attacker to
cause a denial of service inside the "Db2 Management Service".
Vulnerability Details
CVEID: CVE-2020-4642
DESCRIPTION: IBM DB2 for Linux, UNIX and Windows (includes DB2 Connect Server)
could allow local attacker to cause a denial of service inside the "DB2 Management
Service".
CVSS Base score: 6.2
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/
185589 for the current score.
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
Affected Products and Versions
All fix pack levels of IBM Db2 V9.7, V10.1, V10.5, V11.1, and V11.5 on Windows are
affected.
Linux and Unix are not vulnerable.
Remediation/Fixes
Customers running any vulnerable fixpack level of an affected Program 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: V9.7 FP11, V10.1 FP6, V10.5 FP11, V11.1 FP5, and V11.5.5. They can be
applied to any affected fixpack level of the appropriate release to remediate this
vulnerability.
Release Fixed in fix pack APAR Download URL
V9.7 TBD IT34317 Special Build for V9.7 FP11:
Windows 32-bit, x86
Windows 64-bit, x86
V10.1 TBD IT34316 Special Build for V10.1 FP6:
Windows 32-bit, x86
Windows 64-bit, x86
(Links will be updated as soon as they become available.)
V10.5 TBD IT34315 Special Build for V10.5 FP11:
Windows 32-bit, x86
Windows 64-bit, x86
V11.1 TBD IT34314 Special Build for V11.1 FP5:
Windows 32-bit, x86
Windows 64-bit, x86
V11.5 TBD IT34294 Special Build for V11.5.5:
Windows 32-bit, x86
Windows 64-bit, x86
Workarounds and Mitigations
None
Acknowledgement
This vulnerability was reported to IBM by Martin Rakhmanov
Change History
22 Dec 2020: Initial Publication
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