Security Bulletin: IBM MQ Appliance is affected by denial of service vulnerabilities (CVE-2020-4581, CVE-2020-4580, CVE-2020-4579)

Summary

IBM MQ Appliance has resolved denial of service vulnerabilities.

Vulnerability Details

CVEID:CVE-2020-4581
**DESCRIPTION:**IBM DataPower Gateway 2018.4.1.0 through 2018.4.1.12 could allow a remote attacker to cause a denial of service by sending a chunked transfer-encoding HTTP/2 request. IBM X-Force ID: 184441.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/184441 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)

CVEID:CVE-2020-4580
**DESCRIPTION:**IBM DataPower Gateway 2018.4.1.0 through 2018.4.1.12 could allow a remote attacker to cause a denial of service by sending a specially crafted JSON request with invalid characters. IBM X-Force ID: 184439.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/184439 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)

CVEID:CVE-2020-4579
**DESCRIPTION:**IBM DataPower Gateway 2018.4.1.0 through 2018.4.1.12 could allow a remote attacker to cause a denial of service by sending a specially crafted HTTP/2 request with invalid characters. IBM X-Force ID: 184438.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/184438 for the current score.
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

Remediation/Fixes

IBM MQ Appliance 9.1 LTS

Apply fixpack 9.1.0.7, or later maintenance

IBM MQ Appliance 9.1 CD

Upgrade to 9.2.1, or later maintenance

Workarounds and Mitigations

None