Security Bulletin
Summary
IBM MQ Appliance has addressed multiple libxml2 vulnerabilities.
Vulnerability Details
DESCRIPTION: libxml2 is vulnerable to a denial of service, caused by the failure to properly detect compression errors by the xz_decomp function. By using specially-crafted XML data, a local attacker could exploit this vulnerability to cause the process to hang.
CVSS Base score: 4
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/107845 for the current score.
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)
CVEID: CVE-2017-15412
DESCRIPTION: Google Chrome could allow a remote attacker to execute arbitrary code on the system, caused by a use-after-free in libXML. By persuading a victim to visit a specially-crafted website, a remote attacker could exploit this vulnerability to execute arbitrary code on the system or cause a denial of service.
CVSS Base score: 6.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/136046 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L)
CVEID: CVE-2017-18258
DESCRIPTION: libxml2 is vulnerable to a denial of service, caused by a flaw in the xz_head function in xzlib.c. By persuading a victim to open a specially-crafted file, a remote attacker could exploit this vulnerability to cause a denial of service condition.
CVSS Base score: 5.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/141432 for the current score.
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H)
CVEID: CVE-2018-14567
DESCRIPTION: libxml2 is vulnerable to a denial of service, caused by an error in xzlib.c. By persuading a victim to open a specially-crafted file, a remote attacker could exploit this vulnerability to cause the application to enter into an infinite loop.
CVSS Base score: 3.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/148541 for the current score.
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L)
Affected Products and Versions
Affected Product(s) | Version(s) |
IBM MQ Appliance | 9.1 LTS |
IBM MQ Appliance | 9.1 CD |
Remediation/Fixes
Apply fixpack 9.1.0.6, or later.
IBM MQ Appliance 9.1 CD
Apply IBM MQ Appliance 9.2, or later.
Workarounds and Mitigations
Get Notified about Future Security Bulletins
References
Change History
23 Jul 2020: Initial Publication
*The CVSS Environment Score is customer environment specific and will ultimately impact the Overall CVSS Score. Customers can evaluate the impact of this vulnerability in their environments by accessing the links in the Reference section of this Security Bulletin.
Disclaimer
Review the IBM security bulletin disclaimer and definitions regarding your responsibilities for assessing potential impact of security vulnerabilities to your environment.
Document Location
Worldwide
Was this topic helpful?
Document Information
Modified date:
27 July 2020
UID
ibm16252773