Security Bulletin: Vulnerability in libexpat (CVE-2022-43680) affects Power HMC

Summary

libexpat is used by Power Hardware Management Console (HMC). HMC has addressed the applicable CVE.

Vulnerability Details

CVEID:CVE-2022-43680
**DESCRIPTION:**libexpat is vulnerable to a denial of service, caused by a use-after free created by overeager destruction of a shared DTD in XML_ExternalEntityParserCreate in out-of-memory situations. A remote attacker could exploit this vulnerability to cause a denial of service.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/238951 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/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

|

V9.2.950.0 SP3 ppc

|

MB04397

|

MH01954

Power HMC

|

V9.2.950.0 SP3 x86

|

MB04396

|

MH01953

Power HMC

|

V10.1.1020.0 SP1 ppc

|

MB04388

|

MF70701

Power HMC

|

V10.1.1020.0 SP1 x86

|

MB04387

|

MF70700

Power HMC

|

V10.2.1030.0 SP1 ppc

|

MB04401

|

MF70890

Power HMC

|

V10.2.1030.0 SP1 x86

|

MB04400

|

MF70889

Workarounds and Mitigations

None