Security Bulletin: IBM App Connect Enterprise Certified Container images may be vulnerable to denial of service due to libarchive [CVE-2017-14166]

Summary

libarchive is present in the IBM App Connect Enterprise Certified Container images as part of the base operating system. IBM App Connect Enterprise Certified Container images may be vulnerable to denial of service. This bulletin provides patch information to address the reported vulnerability in libarchive. [CVE-2017-14166]

Vulnerability Details

CVEID:CVE-2017-14166
**DESCRIPTION:**libarchive is vulnerable to a denial of service, caused by a xml_data heap-based buffer over-read issue in the atol8 function in archive_read_support_format_xar.c. By persuading a victim to open a specially-crafted file, a remote attacker could exploit this vulnerability to cause the application to crash.
CVSS Base score: 5.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/131555 for the current score.
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H)

Affected Products and Versions

Remediation/Fixes

IBM strongly suggests the following:
App Connect Enterprise Certified Container 4.1.x to 5.0.x (Continuous Delivery)

Upgrade to App Connect Enterprise Certified Container Operator version 5.1.0 or higher, and ensure that all components are at 12.0.5.0-r2 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 5.0.1 or higher, and ensure that all components are at 12.0.6.0-r1-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