Security Bulletin: IBM MQ Appliance is affected by libxslt vulnerabilities (CVE-2019-11068, CVE-2019-18197)

Summary

IBM MQ Appliance has resolved libxslt vulnerabilities.

Vulnerability Details

CVEID:CVE-2019-11068
**DESCRIPTION:**libxslt could allow a remote attacker to bypass security restrictions, caused by a flaw in the xsltCheckRead and xsltCheckWrite routines. By sending a specially-crafted request, an attacker could exploit this vulnerability to bypass access restrictions.
CVSS Base score: 5.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/159898 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N)

CVEID:CVE-2019-18197
**DESCRIPTION:**libxslt is vulnerable to a denial of service, caused by a use-after-free flaw in the xsltCopyText function function in transform.c. By sending a specially-crafted request, a remote attacker could exploit this vulnerability to cause a denial of service condition or obtain uninitialized data.
CVSS Base score: 6.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/169684 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L)

Affected Products and Versions

Remediation/Fixes

This vulnerability is addressed by APAR IT35457.

IBM MQ Appliance 9.1 LTS

Apply the interim fix for APAR IT35457, or later maintenance.

IBM MQ Appliance 9.1 CD

Upgrade to IBM MQ CD 9.2.1 by applying the interim fix for APAR IT35457, or later maintenance.

IBM MQ Appliance 9.2 LTS

Apply the interim fix for APAR IT35457, or later maintenance.

IBM MQ Appliance 9.2 CD

Apply the interim fix for APAR IT35457, or later maintenance.

Workarounds and Mitigations

None