Security Bulletin
Summary
IBM® Db2® on Windows could allow a local attacker to perform unauthorized actions on the system, caused by improper usage of shared memory. By sending a specially-crafted request, an attacker could exploit this vulnerability to obtain sensitive information or cause a denial of service.
Vulnerability Details
CVEID: CVE-2020-4414
DESCRIPTION: IBM DB2 for Linux, UNIX and Windows (includes DB2 Connect Server) could allow a local attacker to perform unauthorized actions on the system, caused by improper usage of shared memory. By sending a specially-crafted request, an attacker could exploit this vulnerability to obtain sensitive information or cause a denial of service.
CVSS Base score: 5.1
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/179989 for the current score.
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L)
Affected Products and Versions
All fix pack levels of IBM Db2 V9.7, V10.1, V10.5, V11.1, and V11.5 editions on Windows are affected.
Linux and Unix are not impacted.
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, 11.1 FP5, and 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 |
| V9.7 | TBD | IT32744 | Special Build for V9.7 FP11: |
| V10.1 | TBD | IT32743 | Special Build for V10.1 FP6: |
| V10.5 | TBD | IT32742 | Special Build for V10.5 FP11: |
| V11.1 |
v11.1.4FP6 | IT32741 |
Build for v11.1.4FP6 |
| V11.5 | v11.5.4 | IT32716 | Build for V11.5.4 GA: |
Workarounds and Mitigations
None
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References
Acknowledgement
The vulnerability was reported to IBM by Martin Rakhmanov
Change History
10 March 2021: Replaced Special Build urls with the 11.1.4FP6 url
6 January 2021: Platform clarification, Windows only impacted
10 December 2020: The URL for 10.5 Windows 64-bit build image 40160 was updated to the new build image 40479 due to a problem with db2level
not being updated in some specific scenarios on Windows.
7 December 2020: The URL for 9.7 Windows 64-bit build image 40162 was updated to the new build image 40481 due to a problem with db2level
not being updated in some specific scenarios on Windows.
26 November 2020: Windows images for 9.7 have been updated
9 October 2020: Linux/Unix images for 9.7 refreshed
18 August 2020: Windows images for 9.7 refreshed
30 June 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
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Document Information
Modified date:
10 March 2021
UID
ibm16242356