Python is included in the DesignerAuthoring component when Mapping Assist is enabled. The Python FTP module is vulnerable due to CVE-2021-4189. IBM App Connect Enterprise Certified Container is not directly vulnerable under standard operations, but custom use of the images may be vulnerable to loss of confidentiality. This bulletin provides patch information to address the reported vulnerability CVE-2021-4189.
DESCRIPTION: Python could allow a remote attacker to obtain sensitive information, caused by a flaw when using the FTP client library in PASV (passive) mode. By using a specially-crafted FTP server, an attacker could exploit this vulnerability to obtain service banner information from private network., and use this information to launch further attacks against the affected system.
CVSS Base score: 5.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/227269 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N)
Affected Products and Versions
|App Connect Enterprise Certified Container||1.1-eus with Operator|
|App Connect Enterprise Certified Container||3.0 with Operator|
|App Connect Enterprise Certified Container||3.1 with Operator|
|App Connect Enterprise Certified Container||4.0 with Operator|
|App Connect Enterprise Certified Container||4.1 with Operator|
App Connect Enterprise Certified Container 3.0, 3.1, 4.0 and 4.1 (Continuous Delivery)
Upgrade to App Connect Enterprise Certified Container Operator version 4.2.0 or higher, and ensure that all DesignerAuthoring components are at 18.104.22.168-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
App Connect Enterprise Certified Container 1.1 EUS (Extended Update Support)
Upgrade to App Connect Enterprise Certified Container Operator version 1.1.10 or higher, and ensure that all DesignerAuthoring components are at 22.214.171.124-r1-eus or higher. Documentation on the upgrade process is available at https://www.ibm.com/docs/en/app-connect/containers_eus?topic=releases-upgrading-operator
Workarounds and Mitigations
Get Notified about Future Security Bulletins
16 Jun 2022: Initial Publication
*The CVSS Environment Score is customer environment specific and will ultimately impact the Overall CVSS Score. Customers can evaluate the impact of this vulnerability in their environments by accessing the links in the Reference section of this Security Bulletin.
Review the IBM security bulletin disclaimer and definitions regarding your responsibilities for assessing potential impact of security vulnerabilities to your environment.
Was this topic helpful?
22 June 2022