Security Bulletin: IBM App Connect Enterprise Certified Container DesignerAuthoring operands that use mapping assistance may be vulnerable to arbitrary code execution due to CVE-2022-0891

Summary

LibTIFF is not used directly by IBM App Connect Enterprise Certified Container but is present in the DesignerAuthoring image used for mapping assistance, which may be vulnerable to arbitrary code execution or denial of service. This bulletin provides patch information to address the reported vulnerability CVE-2022-0891 in LibTIFF.

Vulnerability Details

CVEID:CVE-2022-0891
**DESCRIPTION:**libtiff is vulnerable to a heap-based buffer overflow, caused by improper bounds checking by the ExtractImageSection function in tiffcrop.c. By using a specially-crafted TIFF file, a local authenticated attacker could overflow a buffer and execute arbitrary code on the system or cause a denial of service.
CVSS Base score: 6.1
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/221576 for the current score.
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:H)

Affected Products and Versions

Remediation/Fixes

App Connect Enterprise Certified Container 4.1, 4.2, 5.0, 5.1, 5.2, 6.0 and 6.1 (Continuous Delivery)

Upgrade to App Connect Enterprise Certified Container Operator version 6.2.0 or higher, and ensure that all DesignerAuthoring components that have mapping assistance enabled are at 12.0.7.0-r1 or higher. Documentation on the upgrade process is available at <https://www.ibm.com/docs/en/app-connect/containers_cd?topic=releases-upgrading-operator&gt;

App Connect Enterprise Certified Container 5.0 LTS (Long Term Support)

Upgrade to App Connect Enterprise Certified Container Operator version 5.0.2 or higher, and ensure that all DesignerAuthoring components that have mapping assistance enabled are at 12.0.6.0-r2-lts or higher. Documentation on the upgrade process is available at <https://www.ibm.com/docs/en/app-connect-contlts?topic=releases-upgrading-operator&gt;

Workarounds and Mitigations

None