Security Bulletin: Vulnerability in libtirpc affects Power Hardware Management Console (CVE-2017-8779)

Summary

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

Vulnerability Details

CVEID: CVE-2017-8779**
DESCRIPTION:** rpcbind, LIBTIRPC, and NTIRPC are vulnerable to a denial of service, caused by improper validation of XDR strings in memory allocation. By sending a specially-crafted UDP packet, a remote attacker could exploit this vulnerability to cause memory consumption.
CVSS Base Score: 7.5
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/125753 for the current score
CVSS Environmental Score*: Undefined
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

Power HMC V8.4.0.0
Power HMC V8.5.0.0
Power HMC V8.6.0.0

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

|

V8.8.4.0 SP2

|

MB04099

|

MH01713

Power HMC

|

V8.8.5.0 SP2

|

MB04100

|

MH01714

Power HMC

|

V8.8.6.0 SP1

|

MB04103

|

MH01718

Power HMC

|

V8.8.6.0 SP2

|

MB04101

|

MH01716

Workarounds and Mitigations

None