Security Bulletin: Vulnerability in D-Bus (CVE-2022-42010, CVE-2022-42011 and CVE-2022-42012) affects Power HMC

Summary

D-Bus is used by Power Hardware Management Console (HMC). HMC has addressed the applicable CVE’s.

Vulnerability Details

CVEID:CVE-2022-42010
**DESCRIPTION:**Freedesktop D-Bus is vulnerable to a denial of service, caused by an assertion failure. By sending a specially-crafted message using invalid type signature with incorrectly nested parentheses and curly brackets, a local attacker could exploit this vulnerability to cause a crash or incorrect message processing, and results in a denial of service condition.
CVSS Base score: 6.2
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/237924 for the current score.
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)

CVEID:CVE-2022-42011
**DESCRIPTION:**Freedesktop D-Bus is vulnerable to a denial of service, caused by an assertion failure. By sending a specially-crafted message using invalid array of fixed-length elements, a local attacker could exploit this vulnerability to cause a crash or incorrect message processing, and results in a denial of service condition.
CVSS Base score: 6.2
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/237925 for the current score.
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)

CVEID:CVE-2022-42012
**DESCRIPTION:**Freedesktop D-Bus is vulnerable to a denial of service, caused by a use-after-free and memory corruption flaw. By sending a specially-crafted message with out-of-band Unix file descriptors, a local attacker could exploit this vulnerability to cause a crash or incorrect message processing, and results in a denial of service condition.
CVSS Base score: 6.2
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/237926 for the current score.
CVSS Vector: (CVSS:3.0/AV:L/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 ppc

|

MB04401

|

MF70890

Power HMC

|

V10.2.1030.0 SP1 x86

|

MB04400

|

MF70889

Workarounds and Mitigations

None