Security Bulletin: IBM Virtualization Engine TS7700 is vulnerable to a privilege escalation threat (CVE-2023-24958)

Summary

IBM Virtualization Engine TS7700 is vulnerable to a privilege escalation threat (CVE-2023-24958). IBM Virtualization Engine TS7700 has addressed the applicable CVE.

Vulnerability Details

CVEID:CVE-2023-24958
**DESCRIPTION:**A vulnerability in the IBM TS7700 Management Interface could allow an authenticated user to submit a specially crafted URL leading to privilege escalation and remote code execution.
CVSS Base score: 8.8
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/246320 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)

Affected Products and Versions

All versions of microcode for the IBM Virtualization Engine TS7700 (3957-VEC, 3957-VED, and 3948-VED) prior to and including the following are affected:

Remediation/Fixes

IBM strongly recommends addressing the vulnerability now by visiting <https://tape.ibmrcl.enterpriseappointments.com/v2/&gt; or contacting IBM Service at 1-800-IBM-SERV to arrange an upgrade to the latest microcode version followed by the installation of the appropriate VTD_EXEC as needed. Minimum microcode versions are shown below:

NOTE: R5.3 requires 128GB of memory. 3957-VED needs to be upgraded to 128GB of memory (FC 3479, 64GB DDR 4 memory upgrade for P9 based VED), whereas 3948-VED includes 128GB memory as default.

The minimum VTD_EXEC version is shown below:

Workarounds and Mitigations

Although IBM recommends that you upgrade to the fixes identified above, you can mitigate, but not eliminate the risk of these vulnerabilities by restricting physical and network access to the TS7700 to authorized users and IBM Service Personnel only.