Security Bulletin
Summary
When a Db2 administrator executes the check for updates application from the start menu or from the command line, the Flexnet agent binary (agent.exe) may be vulnerable to DLL hijacking.
Vulnerability Details
CVEID: CVE-2019-4588
DESCRIPTION: IBM DB2 for Linux, UNIX and Windows (includes DB2 Connect Server) could allow a local user to execute arbitrary code and conduct DLL hijacking attacks.
CVSS Base score: 7.4
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/167365 for the current score.
CVSS Vector: (CVSS:3.0/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H)
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 platforms are not affected.
Remediation/Fixes
This vulnerability can be mitigated by unregistering the agent.exe
This feature has been discontinued in 11.1.4FP6 and 11.5.6.
Going forward, users will be notified of upcoming releases.
Workarounds and Mitigations
You can unregister the agent by:
1. Open the command prompt.
2. Navigate to "C:\ProgramData\FLEXnet\Connect\11"
agent.exe \unregister
Get Notified about Future Security Bulletins
References
Acknowledgement
The vulnerability was reported to IBM by Rich Mirch.
Change History
23 June 2021: Added 11.5.6 to the list of releases where utility is discontinued.
25 May 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:
23 June 2021
UID
ibm16456029