#VU58794 Permissions, Privileges, and Access Controls in IBM DB2 - CVE-2021-38926

Vulnerability identifier: #VU58794

Vulnerability risk: Low

CVSSv4.0: 1.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2021-38926

CWE-ID: CWE-264

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
IBM DB2
Server applications / Database software

Vendor: IBM Corporation

Description

The vulnerability allows a remote user to escalate privileges on the system.

The vulnerability exists due to application does not properly impose security restrictions. A remote database user can modify columns of existing tasks and escalate privileges on the system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

IBM DB2: 9.7 - 9.7.0.11, 10.1 - 10.1.0.6, 10.5 - 10.5.0.11, 11.1 FP1 - 11.1.4.6, 11.5 - 11.5.6.0

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External links
https://www.ibm.com/blogs/psirt/security-bulletin-ibm-db2-could-allow-a-local-user-elevated-privileges-due-to-allowing-modification-of-columns-of-existing-tasks-cve-2021-38926/
https://www.ibm.com/support/pages/node/6523808

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.