Security Bulletin: IBM MQ Appliance is affected by a GNU C library (glibc) vulnerability (CVE-2017-8804)

Summary

IBM MQ Appliance has addressed a vulnerability in GNU C library (glibc).

Vulnerability Details

CVEID:CVE-2017-8804
**DESCRIPTION:*glibc is vulnerable to a denial of service, caused by improper handling of buffer deserialization in the xdr_bytes and xdr_string functions. By sending a specially-crafted UDP packet, a remote attacker could exploit this vulnerability to cause virtual memory allocation, or memory consumption on the system.
CVSS Base Score: 7.5
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/125760 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

IBM MQ Appliance 8.0

Maintenance levels between 8.0.0.0 and 8.0.0.7

IBM MQ Appliance 9.0.x Continuous Delivery (CD) Release

Continuous delivery updates between 9.0.1 and 9.0.3

Remediation/Fixes

IBM MQ Appliance 8.0

Apply fixpack 8.0.0.8

IBM MQ Appliance 9.0.x Continuous Delivery (CD) Release

Apply Continuous Delivery Release 9.0.4

Workarounds and Mitigations

None