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AUSCERT External Security Bulletin Redistribution
ESB-2019.1846
IBM MQ (CVE-2019-4039/CVE-2019-4078)
23 May 2019
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AusCERT Security Bulletin Summary
---------------------------------
Product: IBM MQ
Publisher: IBM
Operating System: AIX
HP-UX
Linux variants
Solaris
Impact/Access: Administrator Compromise -- Existing Account
Denial of Service -- Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2019-4078 CVE-2019-4039
Original Bulletin:
http://www.ibm.com/support/docview.wss?uid=ibm10870492
http://www.ibm.com/support/docview.wss?uid=ibm10872876
Comment: This bulletin contains two (2) IBM security advisories.
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IBM MQ is vulnerable to a denial of service attack within the error logging
function (CVE-2019-4039)
Product: IBM MQ
Component: error logging
Software version: 8.0.0.0, 8.0.0.1, 8.0.0.2, 8.0.0.3, 8.0.0.4, 8.0.0.5,
8.0.0.6, 8.0.0.7, 8.0.0.8, 8.0.0.9, 8.0.0.10, 8.0.0.11
9.0.0.0, 9.0.0.1, 9.0.0.2, 9.0.0.3, 9.0.0.4, 9.0.0.5,
9.1.0.0, 9.1.0.1, 9.1.1
Operating system(s): AIX, HP-UX, Linux, Solaris
Reference #: 0870492
Security Bulletin
Summary
A vulnerability was found within the error logging function that meant that a
local attacker could cause an overwrite of arbitrary MQ files and cause a
denial of service attack against IBM MQ queue managers.
Vulnerability Details
CVEID: CVE-2019-4039
DESCRIPTION: IBM MQ could allow a local attacker to cause a denial of service
within the error log reporting system.
CVSS Base Score: 6.2
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/
156163 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
Affected Products and Versions
IBM MQ V8
versions 8.0.0.0 - 8.0.0.11
IBM MQ V9 LTS
versions 9.0.0.0 - 9.0.0.5
IBM MQ V9.1 LTS
versions 9.1.0.0 - 9.1.0.1
IBM MQ V9.1 CD
versions 9.1.0 - 9.1.1
Remediation/Fixes
IBM MQ V8
Apply FixPack 8.0.0.12
IBM MQ V9 LTS
Apply FixPack 9.0.0.6
IBM MQ V9.1 LTS
Apply FixPack 9.1.0.2
IBM MQ V9.1 CD
Upgrade to version 9.1.2
Workarounds and Mitigations
None
Acknowledgement
The vulnerability was reported to IBM by Josh McIver
Change History
16 May 2019: Original version published
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IBM MQ is vulnerable to a privilege escalation attack due to incorrect
permissions on MQ directories. (CVE-2019-4078)
Product: IBM MQ
Component: installation
Software version: 8.0.0.0, 8.0.0.1, 8.0.0.2, 8.0.0.3, 8.0.0.4, 8.0.0.5,
8.0.0.6, 8.0.0.7, 8.0.0.8, 8.0.0.9, 8.0.0.10, 8.0.0.11,
9.0.0.0, 9.0.0.1, 9.0.0.2, 9.0.0.3, 9.0.0.4, 9.0.0.5,
9.1.0.0, 9.1.0.1, 9.1.1
Operating system(s): Windows
Reference #: 0872876
Security Bulletin
Summary
IBM MQ could allow a local non privileged user to execute code as an
administrator due to incorrect permissions set on MQ installation directories.
Vulnerability Details
CVEID: CVE-2019-4078
DESCRIPTION: IBM MQ could allow a local non privileged user to execute code as
an administrator due to incorrect permissions set on MQ installation
directories.
CVSS Base Score: 7.4
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/
157190 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H)
Affected Products and Versions
IBM MQ V8
versions 8.0.0.0 - 8.0.0.11
IBM MQ V9 LTS
versions 9.0.0.0 - 9.0.0.5
IBM MQ V9.1 LTS
versions 9.1.0.0 - 9.1.0.1
IBM MQ V9.1 CD
version 9.1.1
Remediation/Fixes
IBM MQ V8
Apply FixPack 8.0.0.12
IBM MQ V9 LTS
Apply FixPack 9.0.0.6
IBM MQ V9.1 LTS
Apply FixPack 9.1.0.2
IBM MQ V9.1 CD
Upgrade to version 9.1.2
Workarounds and Mitigations
None
Change History
16 May 2019: Original version published
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