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Security Bulletin: Vulnerability in Elasticsearch affects IBM Cloud Private (CVE-2021-22138)

Security Bulletin


Summary

There is a vulnerability in the Elasticsearch open source library. The library is used by IBM Cloud Private logging. This bulletin identifies the security fixes to apply to address the Elasticsearch vulnerability (CVE-2021-22138).

Vulnerability Details

CVEID:   CVE-2021-22138
DESCRIPTION:   Elasticsearch Logstash is vulnerable to a man-in-the-middle attack, caused by a flaw in the TLS certificate validation. An attacker could exploit this vulnerability to launch a man-in-the-middle attack and gain access to the communication channel between endpoints to obtain sensitive information or further compromise the system.
CVSS Base score: 2.6
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/202059 for the current score.
CVSS Vector: (CVSS:3.0/AV:A/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N)

Affected Products and Versions

Affected Product(s)Version(s)
IBM Cloud Private3.2.1 CD
IBM Cloud Private3.2.2 CD

Remediation/Fixes

IBM strongly recommends addressing the vulnerability now by upgrading.

 

The recommended solution involves the IBM Cloud Private ibm-icplogging component. It is recommended that you follow the instructions for the component in the links listed below:

 

For IBM Cloud Private 3.1.1: IBM Cloud Private 3.1.1 Patch

 

For IBM Cloud Private 3.1.2: IBM Cloud Private 3.1.2 Patch

 

For IBM Cloud Private 3.2.0: IBM Cloud Private 3.2.0 Patch

 

For IBM Cloud Private 3.2.1: IBM Cloud Private 3.2.1 Patch

 

For IBM Cloud Private 3.2.2: IBM Cloud Private 3.2.2 Patch

 

For IBM Cloud Private 3.1.0:

  • Upgrade to the latest Continuous Delivery (CD) update package, IBM Cloud Private 3.2.2. 

  

Workarounds and Mitigations

None

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References

Complete CVSS v3 Guide
On-line Calculator v3

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Related Information

IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog

Change History

04 Jan 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.

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

ibm16538162

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