Security Bulletin: IBM MQ Appliance is affected by glibc vulnerabilities

Summary

IBM MQ Appliance has addressed the following glibc vulnerabilities.

Vulnerability Details

CVEID: CVE-2017-15804
DESCRIPTION: GNU C Library (aka glibc or libc6) is vulnerable to a buffer overflow, caused by improper bounds checking by glob function in glob.c. By using a specially-crafted file, a local attacker could overflow a buffer.
CVSS Base Score: 5.3
CVSS Temporal Score: See <https://exchange.xforce.ibmcloud.com/vulnerabilities/133996&gt; for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L)

CVEID: CVE-2017-15670
DESCRIPTION: GNU C Library is vulnerable to a heap-based buffer overflow, caused by improper bounds checking by the glob function in glob.c. By sending a specially-crafted string, a remote attacker could overflow a buffer and execute arbitrary code on the system.
CVSS Base Score: 7.3
CVSS Temporal Score: See <https://exchange.xforce.ibmcloud.com/vulnerabilities/133915&gt; for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L)

CVEID: CVE-2017-12132
DESCRIPTION: GNU C Library (aka glibc or libc6) could allow a remote attacker to conduct spoofing attacks, caused by a flaw in the DNS stub resolver. An attacker could exploit this vulnerability to perform off-path DNS spoofing attacks.
CVSS Base Score: 5.3
CVSS Temporal Score: See <https://exchange.xforce.ibmcloud.com/vulnerabilities/129949&gt; for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N)

CVEID: CVE-2015-5180
DESCRIPTION: glibc is vulnerable to a denial of service, caused by a NULL pointer dereference in the res_query function in libresolv. By using a malformed pattern, a remote attacker could cause the process to crash.
CVSS Base Score: 7.5
CVSS Temporal Score: See <https://exchange.xforce.ibmcloud.com/vulnerabilities/130620&gt; for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)

Affected Products and Versions

IBM MQ Appliance 8.0
Maintenance levels between 8.0.0.0 and 8.0.0.10

IBM MQ Appliance 9.0.x Continuous Delivery (CD) Release
Continuous delivery updates 9.0.1 and 9.0.5

IBM MQ Appliance 9.1 Long Term Support (LTS) Release
Maintenance level 9.1.0.0

Remediation/Fixes

IBM MQ Appliance 8.0
Apply fixpack 8.0.0.11 or later.

IBM MQ Appliance 9.0.x Continuous Delivery (CD) Release
Apply 9.1.0.1 Long Term Support (LTS) Release , or 9.1.1 Continuous Delivery Release or later.

IBM MQ Appliance 9.1 Long Term Support (LTS) Release
Apply fixpack 9.1.0.1 or later.

Workarounds and Mitigations

None