Security Bulletin
Summary
IBM API Connect has addressed the following vulnerability.
Vulnerability Details
CVEID: CVE-2021-22884
DESCRIPTION: Node.js is vulnerable to a denial of service, caused by an error when the allowlist includes "localhost6". By controlling the victim's DNS server or spoofing its responses, an attacker could exploit this vulnerability to bypass the DNS rebinding protection mechanism using the "localhost6" domain and cause a denial of service.
CVSS Base score: 6.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/197191 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:H)
CVEID: CVE-2021-22883
DESCRIPTION: Node.js is vulnerable to a denial of service, caused by a file descriptor leak. By making multiple attempts to connect with an 'unknownProtocol', an attacker could exploit this vulnerability to lead to an excessive memory usage and cause the system to run out of memory.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/197190 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
Affected Products and Versions
| API Connect | V10.0.1.0 - V10.0.1.4 |
| API Connect | V2018.4.1.0-2018.4.1.15 |
| API Connect | V10.0.2 |
Remediation/Fixes
| Affected Product | Addressed in VRMF | APAR | Remediation/First Fix |
|
IBM API Connect
V2018.4.1.0-2018.4.1.15
| 2018.4.1.16 | LI82400 |
Addressed in IBM API Connect V2018.4.1.16. Follow this link and find the appropriate package.
|
|
IBM API Connect
V10.0.1.0-10.0.1.4
| 10.0.1.5 |
LI82400 |
Addressed in IBM API Connect V10.0.1.5 Follow this link and find the appropriate package.
|
|
IBM API Connect
10.0.2
| 10.0.3 |
LI82400 |
Addressed in IBM API Connect 10.0.3. Follow this link and find the appropriate package.
|
Workarounds and Mitigations
None
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References
Change History
01 Nov 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:
01 November 2021
Initial Publish date:
01 November 2021
UID
ibm16510192