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AUSCERT External Security Bulletin Redistribution
ESB-2020.2565
IBM MQ Appliance security updates
28 July 2020
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AusCERT Security Bulletin Summary
---------------------------------
Product: IBM MQ Appliance
Publisher: IBM
Operating System: Network Appliance
Impact/Access: Execute Arbitrary Code/Commands -- Unknown/Unspecified
Denial of Service -- Remote/Unauthenticated
Resolution: Patch/Upgrade
CVE Names: CVE-2020-4466 CVE-2020-2654 CVE-2018-14567
CVE-2017-18258 CVE-2017-15412 CVE-2015-8035
Reference: ASB-2020.0028
ESB-2015.3240
ESB-2015.3214
Original Bulletin:
https://www.ibm.com/support/pages/node/6252781
https://www.ibm.com/support/pages/node/6252773
https://www.ibm.com/support/pages/node/6252817
Comment: This bulletin contains three (3) IBM security advisories.
- --------------------------BEGIN INCLUDED TEXT--------------------
IBM MQ Appliance is vulnerable to a denial of service vulnerability
(CVE-2020-4466)
Security Bulletin
Summary
IBM MQ Appliance has resolved a denial of service vulnerability.
Vulnerability Details
CVEID: CVE-2020-4466
DESCRIPTION: IBM MQ, IBM MQ Appliance, and IBM MQ for HPE NonStop could allow a
remote authenticated attacker to cause a denial of service due to an error
within the Queue processing function.
CVSS Base score: 6.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/
181563 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H)
Affected Products and Versions
+--------------------+----------+
|Affected Product(s) |Version(s)|
+--------------------+----------+
|IBM MQ Appliance |8.0 |
+--------------------+----------+
|IBM MQ Appliance |9.1 LTS |
+--------------------+----------+
|IBM MQ Appliance |9.1 CD |
+--------------------+----------+
Remediation/Fixes
IBM MQ Appliance 8.0
Apply fixpack 8.0.0.15 , or later.
IBM MQ Appliance V9.1 LTS
Apply FixPack 9.1.0.5 , or later.
IBM MQ Appliance V9.1 CD
Upgrade to IBM MQ 9.1.5 , or later.
Workarounds and Mitigations
None
- --------------------------------------------------------------------------------
IBM MQ Appliance is affected by multiple libxml2 vulnerabilities
Security Bulletin
Summary
IBM MQ Appliance has addressed multiple libxml2 vulnerabilities.
Vulnerability Details
CVEID: CVE-2015-8035
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
IBM MQ Appliance 9.1 LTS
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
None
- --------------------------------------------------------------------------------
IBM MQ Appliance is affected by a denial of service vulnerability
(CVE-2020-2654)
Security Bulletin
Summary
IBM MQ Appliance has resolved a denial of service vulnerability.
Vulnerability Details
CVEID: CVE-2020-2654
DESCRIPTION: An unspecified vulnerability in Java SE related to the Java SE
Libraries component could allow an unauthenticated attacker to cause a denial
of service resulting in a low availability impact using unknown attack vectors.
CVSS Base score: 3.7
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/
174601 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L)
Affected Products and Versions
+--------------------+----------+
|Affected Product(s) |Version(s)|
+--------------------+----------+
|IBM MQ Appliance |8.0 |
+--------------------+----------+
|IBM MQ Appliance |9.1 LTS |
+--------------------+----------+
|IBM MQ Appliance |9.1 CD |
+--------------------+----------+
Remediation/Fixes
IBM MQ Appliance V8
Apply FixPack 8.0.0.15 , or later.
IBM MQ Appliance V9.1 LTS
Apply FixPack 9.1.0.5 , or later.
IBM MQ Appliance V9.1 CD
Apply FixPack 9.1.5 , or later.
Workarounds and Mitigations
None
- --------------------------END INCLUDED TEXT--------------------
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