#VU85127 Code Injection in IBM DB2 - CVE-2023-27859

Vulnerability identifier: #VU85127

Vulnerability risk: Medium

CVSSv4.0: 4.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2023-27859

CWE-ID: CWE-94

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 modify data on the system.

The vulnerability exists due to improper input validation. A remote user can install a malicious jar file that overwrites the existing like-named jar file in another database.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

IBM DB2: before 10.5, 11.1.4.7, 11.5, 11.5.9, 10.5, 10.5, 10.5

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External links
https://www.ibm.com/support/pages/node/7105503

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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.