Security Bulletin: IBM Integration Bus is vulnerable to a denial of service due to Eclipse Mosquitto

Summary

IBM Integration Bus is vulnerable to a denial of service due to Eclipse Mosquitto (CVE-2023-28366, CVE-2023-3592, CVE-2023-0809).

Vulnerability Details

CVEID:CVE-2023-28366
**DESCRIPTION:**Eclipse Mosquitto is vulnerable to a denial of service, caused by a memory leak flaw in the broker. By sending specially crafted QoS 2 messages, a remote attacker could exploit this vulnerability to cause a denial of service condition.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/265815 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-2023-3592
**DESCRIPTION:**Eclipse Mosquitto is vulnerable to a denial of service, caused by a memory leak flaw. By sending specially crafted v5 CONNECT packets, a remote attacker could exploit this vulnerability to cause a denial of service condition.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/265820 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-2023-0809
**DESCRIPTION:**Eclipse Mosquitto is vulnerable to a denial of service, caused by a memory leak flaw. By sending specially crafted v5 CONNECT packets, a remote attacker could exploit this vulnerability to cause a denial of service condition.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/265810 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 strongly recommends addressing the vulnerability/vulnerabilities now by applying the appropriate fix to IBM Integration Bus

The APAR (IT44664) is available from

IBM App Connect Enterprise v10.1 - Fix Pack 10.1.0.2

Workarounds and Mitigations

None