IBM Support

Security Bulletin: IBM® Db2® could allow an authenticated user to overwrite arbitrary files due to improper group permissions. (CVE-2020-4945)

Security Bulletin


Summary

IBM Db2 for Linux, UNIX and Windows (includes DB2 Connect Server) could allow an authenticated user to overwrite arbirary files due to improper group permissions.

Vulnerability Details

CVEID:   CVE-2020-4945
DESCRIPTION:   IBM DB2 for Linux, UNIX and Windows (includes DB2 Connect Server) could allow an authenticated user to overwrite arbirary files due to improper group permissions.
CVSS Base score: 6.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/191945 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N)

Affected Products and Versions

All fix pack levels of IBM Db2 V11.5 edition on Linux and Unix platforms are affected.  Windows is not impacted.

All other versions are not impacted.

Remediation/Fixes

Customers running any vulnerable fixpack level of an affected Program, V11.5, can download the build containing the fix for this issue from Fix Central. This special build is available based on the most recent fixpack level for the impacted release: V11.5.5 FP1. This can be applied to any affected fixpack level of the appropriate release to remediate this vulnerability.


ReleaseFixed in fix packAPARDownload URL
V11.511.5.6IT34964https://www.ibm.com/support/pages/node/6465915






Workarounds and Mitigations

None

Get Notified about Future Security Bulletins

References

Off

Acknowledgement

This vulnerability was reported to IBM by Dijing Wang, BEIJING DBSEC TECHNOLOGY CO., LTD.

Change History

23 Jun 2021: 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

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

[{"Business Unit":{"code":"BU001","label":"Analytics Private Cloud"},"Product":{"code":"SSEPGG","label":"DB2 for Linux- UNIX and Windows"},"Component":"","Platform":[{"code":"PF002","label":"AIX"},{"code":"PF016","label":"Linux"}],"Version":"11.5","Edition":""}]

Document Information

Modified date:
29 June 2021

UID

ibm16466367