Security Bulletin: IBM® Db2® is vulnerable to a Denial of Service on Windows (CVE-2020-4642)

Security Bulletin

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
V10.5	TBD	IT34315	Special Build for V10.5 FP11: Windows 32-bit, x86 Windows 64-bit, x86
V11.1	v11.1.4FP6	IT34314	https://www.ibm.com/support/pages/node/6427871
V11.5	TBD	IT34294	Special Build for V11.5.5: Windows 32-bit, x86 Windows 64-bit, x86

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

Off

Acknowledgement

This vulnerability was reported to IBM by Martin Rakhmanov

Change History

11 March 2021: Replace urls for v9.7 Windows 32-bit, Windows 64-bit
10 March 2021: Replaced Special Build urls with the 11.1.4FP6 url
17 February 2021: Windows 64-bit image withdrawn, a new build is pending
19 January 2021: Links for 9.7 Windows 32-bit updated.
18 January 2021: Links for 9.7 Windows 64-bit updated. Links for 10.1 added
22 Dec 2020: Initial Publication

*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

Review the IBM security bulletin disclaimer and definitions regarding your responsibilities for assessing potential impact of security vulnerabilities to your environment.

Document Location

Worldwide

[{"Business Unit":{"code":"BU058","label":"IBM Infrastructure w\/TPS"},"Product":{"code":"SSEPGG","label":"Db2 for Linux, UNIX and Windows"},"Component":"","Platform":[{"code":"PF033","label":"Windows"}],"Version":"9.7, 10.1, 10.5, 11.1, 11.5","Edition":"Advanced Enterprise Server; Advanced Workgroup Server; Enterprise Server; Express; Express-C; Personal; Workgroup Server ","Line of Business":{"code":"LOB10","label":"Data and AI"}}]

Tips

Security Bulletin: IBM® Db2® is vulnerable to a Denial of Service on Windows (CVE-2020-4642)