Security Bulletin: Vulnerability in glib2 (CVE-2021-27218 and CVE-2021-27219) affects Power HMC

Summary

glib2 is used by Power Hardware Management Console (HMC). HMC has addressed the applicable CVEs.

Vulnerability Details

CVEID:CVE-2021-27218
**DESCRIPTION:**GNOME GLib is vulnerable to a denial of service, caused by an error when invoking g_byte_array_new_take() with a buffer of 4GB or more on a 64-bit platform. An attacker could exploit this vulnerability to cause unintended length truncation.
CVSS Base score: 6.2
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/196784 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-2021-27219
**DESCRIPTION:**GNOME GLib could allow a remote attacker to cause a denial of service, caused by an integer overflow in the g_bytes_new function. An attacker could exploit this vulnerability to corrupt memory and cause a denial of service.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/196782 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

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

|

V9.2.952.0 ppc

|

MB04300

|

MH01905

Power HMC

|

V9.2.952.0 x86

|

MB04299

|

MH01904

Power HMC

|

V10.1.1010.0 ppc

|

MB04291

|

MF68970

Power HMC

|

V10.1.1010.0 x86

|

MB04294

|

MF68994

Workarounds and Mitigations

None