Main Vulnerability Database SB2021112911

SB2021112911 - Remote code execution in IBM Cloud Pak System

Published: November 29, 2021

Security Bulletin ID SB2021112911

Severity

High

Patch available

YES

Number of vulnerabilities 1

Exploitation vector Remote access

Highest impact Code execution

Breakdown by Severity

Low
Medium
High
Critical

Description

This security bulletin contains information about 1 security vulnerability.

1) Stack-based buffer overflow (CVE-ID: CVE-2020-27221)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error when the virtual machine or JNI natives are converting from UTF-8 characters to platform encoding. A remote unauthenticated attacker can trigger a stack-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Remediation

Install update from vendor's website.

References

https://www.ibm.com/blogs/psirt/security-bulletin-vulnerability-in-ibm-sdk-java-affects-ibm-cloud-pak-system-cve-2020-27221-2/"
https://www.ibm.com/blogs/psirt/security-bulletin-vulnerability-in-ibm-sdk-java-affects-ibm-cloud-pak-system-cve-2020-27221-2/</a>
https://www.ibm.com/support/pages/node/6516420