Security Bulletin
Summary
IBM Event Streams UI affected by multiple node package vulnerabilities
Vulnerability Details
CVEID: CVE-2021-22940
DESCRIPTION: Node.js could allow a remote attacker to bypass security restrictions, caused by an incomplete fix for CVE-2021-22930 related to a use-after-free on close http2 on stream canceling. An attacker could exploit this vulnerability to corrupt memory to change process behavior.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/207520 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N)
CVEID: CVE-2021-22931
DESCRIPTION: Node.js could provide weaker than expected security, caused by missing input validation on hostnames returned by DNS servers. An attacker could exploit this vulnerability to cause output of wrong hostnames leading to Domain Hijacking and and injection vulnerabilities in applications using the library.
CVSS Base score: 5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/207230 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L)
CVEID: CVE-2021-22930
DESCRIPTION: Node.js could allow a remote attacker to bypass security restrictions, caused by a use-after-free on close http2 on stream canceling. An attacker could exploit this vulnerability to corrupt memory to change process behavior.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/206473 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N)
CVEID: CVE-2021-22939
DESCRIPTION: Node.js could allow a remote attacker to bypass security restrictions. If the https API was used incorrectly and "undefined" was in passed for the "rejectUnauthorized" parameter, an attacker could exploit this vulnerability to connect to servers using an expired certificate.
CVSS Base score: 3.7
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/207233 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N)
Affected Products and Versions
| Affected Product(s) | Version(s) |
| IBM Event Streams | 2019.4.1, 2019.4.2, 2019.4.3, 2019.4.4 |
| IBM Event Streams | 10.0.0, 10.1.0, 10.2.0, 10.3.0, 10.3.1 |
Remediation/Fixes
IBM Event Streams (Helm-based releases)
- Download the 2019.4.5 release from IBM Fix Central.
- Upgrade to IBM Event Streams 2019.4.5 by following the upgrading and migrating documentation.
IBM Event Streams (Continuous Delivery)
- Upgrade to IBM Event Streams 10.4.0 by following the upgrading and migrating documentation.
IBM Event Streams (Extended Update Support)
- Upgrade to IBM Event Streams 10.2.1 by following the upgrading and migrating documentation.
Workarounds and Mitigations
None
Get Notified about Future Security Bulletins
References
Acknowledgement
Change History
04 Oct 2021: 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.
Disclaimer
Review the IBM security bulletin disclaimer and definitions regarding your responsibilities for assessing potential impact of security vulnerabilities to your environment.
Document Location
Worldwide
Was this topic helpful?
Document Information
Modified date:
21 December 2021
Initial Publish date:
04 October 2021
UID
ibm16495861