Security Bulletin: Vulnerability in tpm2-tss library (CVE-2023-22745) affects Power HMC.

Summary

The tpm2-tss library is used by Power Hardware Management Console (HMC). HMC has addressed the applicable CVE.

Vulnerability Details

CVEID:CVE-2023-22745
**DESCRIPTION:**tpm2-tss is vulnerable to a buffer overflow, caused by improper bounds checking by the Tss2_RC_SetHandler and Tss2_RC_Decode function. By sending a specially-crafted request, a local authenticated attacker could overflow a buffer and execute arbitrary code on the system.
CVSS Base score: 6.4
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/245269 for the current score.
CVSS Vector: (CVSS:3.0/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H)

Affected Products and Versions

Remediation/Fixes

The following fixes are available on IBM Fix Central at: <http://www-933.ibm.com/support/fixcentral/&gt;

Product

|

VRMF

|

APAR

|

Remediation/Fix

—|—|—|—

Power HMC

|

V10.2.1040.0 SP2 x86

|

MB04466

|

MF71701

Power HMC

|

V10.2.1040.0 SP2 ppc

|

MB04467

|

MF71702

Power HMC

|

V10.3.1060.0 x86

|

MB04468

|

MF71703

Power HMC

|

V10.3.1060.0 ppc

|

MB04469

|

MF71704

Workarounds and Mitigations

None