Security Bulletin: IBM® Db2® is vulnerable to denial of service (CVE-2020-4161)

Security Bulletin

Summary

Db2 is vulnerable to a denial of service. Authenticated users can use specific commands on a Db2 server to cause the server to terminate abnormally

Vulnerability Details

CVEID: CVE-2020-4161
DESCRIPTION: IBM DB2 for Linux, UNIX and Windows (includes DB2 Connect Server) could allow an authenticated attacker to cause a denial of service due to incorrect handling of certain commands.
CVSS Base score: 6.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/174341 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H)

Affected Products and Versions

All fix pack levels of IBM Db2 V11.5 editions on all platforms are affected.

Remediation/Fixes

Customers running any vulnerable fixpack level of an affected Program, V11.5 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: V11.5 GA. 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
V11.5	TBD	IT31462	Special Build for V11.5 GA: 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® Windows 32-bit, x86 Windows 64-bit, x86

Workarounds and Mitigations

None

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References

Complete CVSS v3 Guide
On-line Calculator v3

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Change History

18 Feb 2020: Initial Publication
25 Feb 2020: Corrected APAR number to IT31462
05 Mar 2020: Corrected special build links for all platforms

*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.

Document Location

Worldwide

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Document Information

Modified date:
05 March 2020

UID

ibm12874621

IBM Support

Tips

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Security Bulletin: IBM® Db2® is vulnerable to denial of service (CVE-2020-4161)