Security Bulletin: IBM App Connect Enterprise and IBM Integration Bus are vulnerable to a denial of service due to snappy-java CVE-2023-43642)

Summary

snappy-java is used by the IBM App Connect Enterprise and IBM Integration Bus Kafka nodes (CVE-2023-43642)

Vulnerability Details

CVEID:CVE-2023-43642
**DESCRIPTION:**snappy-java is vulnerable to a denial of service, caused by missing upper bound check on chunk length. By sending a specially crafted request, 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/267079 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 App Connect Enterprise and IBM Integration Bus

The APAR (IT44728) is available from

IBM App Connect Enterprise v12 - Fix Pack 12.0.10.1

IBM App Connect Enterprise| 11.0.0.1 - 11.0.0.23| IT44728| Interim Fix for APAR (IT44728) is available to apply to 11.0.0.23 from

IBM Fix Central
IBM Integration Bus| 10.1 - 10.1.0.2| IT44728|

Interim Fix for APAR (IT44728) is available to apply to 10.1.0.2

IBM Fix Central

Workarounds and Mitigations

None