Security Bulletin
Summary
IBM Db2 for Linux, UNIX and Windows (includes DB2 Connect Server) could allow a local user to access and change the configuration of DB2 due to a race condition via a symbolic link.
Vulnerability Details
CVEID: CVE-2020-4885
DESCRIPTION: IBM DB2 for Linux, UNIX and Windows (includes DB2 Connect Server) could allow a local user to access and change the configuration of DB2 due to a race condition of a symbolic link,.
CVSS Base score: 6.2
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/190909 for the current score.
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/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 special build containing the interim 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.
Release | Fixed in fix pack | APAR | Download URL |
V11.5 | 11.5.6 | IT34966 | https://www.ibm.com/support/pages/node/6465915 |
Workarounds and Mitigations
None
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References
Acknowledgement
This Vulnerability was found by Eddie Zhu, 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
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:
28 June 2021
UID
ibm16466363