Security Bulletin: IBM® Db2® is vulnerable to a privilege escalation to SYSTEM user via MSI repair functionality on Windows (CVE-2023-47145)

Summary

IBM® Db2® is vulnerable to a privilege escalation to SYSTEM user via MSI repair functionality on Windows.

Vulnerability Details

CVEID:CVE-2023-47145
**DESCRIPTION:**IBM Db2 for Windows (includes Db2 Connect Server) could allow a local user to escalate their privileges to the SYSTEM user using the MSI repair functionality.
CVSS Base score: 8.4
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/270402 for the current score.
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)

Affected Products and Versions

10.5.0.x

|

Client (RTCL)

IBM® Db2®|

11.1.4.x

|

Client (RTCL)

IBM® Db2®|

11.5.x

|

Client (RTCL)

Windows platform is affected. Linux and Unix are not affected.
Earlier releases (10.1, 9.7 etc.) may also be affected, but they are no longer supported.

Remediation/Fixes

Customers running any vulnerable fixpack level of an affected Program, V10.5, v11.1 and V11.5, can download the special build containing the interim fix for this issue from Fix Central. These special builds are available based on the most recent fixpack level for each impacted release: V10.5 FP11, V11.1.4 FP7, and V11.5.9. They can be applied to any affected fixpack level of the appropriate release to remediate this vulnerability.

Windows 32-bit, x86 (RTCL)
Windows 64-bit, x86 (RTCL)

V11.1| TBD| DT256803| Special Build for V11.1.4 FP7:

Windows 32-bit, x86 (RTCL)
Windows 64-bit, x86 (RTCL)

V11.5| TBD| DT256803|

Special Build for V11.5.8:

Windows 32-bit, x86 (RTCL)
Windows 64-bit, x86 (RTCL)

Special Build for V11.5.9:

Windows 32-bit, x86 (RTCL)
Windows 64-bit, x86 (RTCL)

IBM does not disclose key Db2 functionality nor replication steps for a vulnerability to avoid providing too much information to any potential malicious attacker. IBM does not want to enable a malicious attacker with sufficient knowledge to craft an exploit of the vulnerability.

Workarounds and Mitigations

None