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Security Bulletin: IBM PowerVM Novalink is vulnerable because Dojo cloud allow a remote attacker to execute arbitrary code on the system due to WebSphere Liberty. (CVE-2021-23450)

Security Bulletin


Summary

IBM PowerVM Novalink is vulnerable because Dojo cloud allow a remote attacker to execute arbitrary code on the system due to WebSphere Liberty, caused by a prototype pollution in the setObject function. By sending a specially-crafted request, an attacker could exploit this vulnerability to execute arbitrary code on the system. (CVE-2021-23450)

Vulnerability Details

CVEID:   CVE-2021-23450
DESCRIPTION:   Dojo could allow a remote attacker to execute arbitrary code on the system, caused by a prototype pollution in the setObject function. By sending a specially-crafted request, an attacker could exploit this vulnerability to execute arbitrary code on the system.
CVSS Base score: 9.8
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/216463 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)

Affected Products and Versions

Affected Product(s)Version(s)
 PowerVM NovaLink1.0.0.16
 PowerVM Novalink2.0
 PowerVM Novalink2.0.1
 PowerVM Novalink2.0.2
 PowerVM Novalink2.0.2.1

 


Remediation/Fixes

IBM strongly recommends addressing the vulnerability now by upgrading based on the table below.

ProductVersionRemediation
PowerVM Novalink 1.0.0.16Update to pvm-novalink 1.0.0.16-220405
PowerVM Novalink2.0.0.0Update to pvm-novalink 2.0.1-220405
PowerVM Novalink2.0.1Update to pvm-novalink 2.0.1-220405
PowerVM Novalink2.0.2Update to pvm-novalink 2.0.2.1-220405
PowerVM Novalink2.0.2.1Update to pvm-novalink 2.0.2.1-220405

 

 

 

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

20 Apr 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:
27 April 2022

UID

ibm16575385

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