Security Bulletin: IBM MQ Appliance is affected by GnuTLS vulnerabilities (CVE-2018-10845 and CVE-2018-10844)

Summary

IBM MQ Appliance has addressed the following GnuTLS vulnerabilities.

Vulnerability Details

CVEID: CVE-2018-10845
DESCRIPTION: GnuTLS could allow a remote attacker to obtain sensitive information, caused by a flaw in the implementation of HMAC-SHA-384. By sending a specially-crafted packet, a remote attacker could exploit this vulnerability to obtain information.
CVSS Base Score: 5.9
CVSS Temporal Score: See <https://exchange.xforce.ibmcloud.com/vulnerabilities/148730&gt; for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N)

CVEID: CVE-2018-10844
DESCRIPTION: GnuTLS could allow a remote attacker to obtain sensitive information, caused by a flaw in the implementation of HMAC-SHA-256. By sending a specially-crafted packet, a remote attacker could exploit this vulnerability to obtain information.
CVSS Base Score: 5.9
CVSS Temporal Score: See <https://exchange.xforce.ibmcloud.com/vulnerabilities/148731&gt; for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N)

Affected Products and Versions

IBM MQ Appliance 9.1 Long Term Support (LTS) Release
Maintenance levels between 9.1.0.0 and 9.1.0.1

IBM MQ Appliance 9.1.x Continuous Delivery (CD) Release
Continuous delivery updates 9.1.1

Remediation/Fixes

IBM MQ Appliance 9.1 Long Term Support (LTS) Release
Apply iFix IT27359 , or later.

IBM MQ Appliance 9.1.x Continuous Delivery (CD) Release
Apply iFix IT27359 , or later.

Workarounds and Mitigations

None