Security Bulletin
Summary
There is a vulnerability in the Node.js open source runtime. The runtime is used by the IBM Event Streams. The CVE has been addressed.
Vulnerability Details
CVEID: CVE-2021-22959
DESCRIPTION: Node.js is vulnerable to HTTP request smuggling, caused by an error related to a space in headers. A remote attacker could send a specially-crafted request with a space (SP) right after the header name before the colon to lead to HTTP Request Smuggling (HRS). An attacker could exploit this vulnerability to poison the web cache, bypass web application firewall protection, and conduct XSS attacks.
CVSS Base score: 6.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/211168 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/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, 10.4.0 |
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 10.5.0 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
23 Dec 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
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Document Information
Modified date:
04 January 2022
UID
ibm16538082