SB2022060712 - Denial of service in IBM Cloud Pak for Data System
Published: June 7, 2022 Updated: February 9, 2023
Security Bulletin ID
SB2022060712
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Infinite loop (CVE-ID: CVE-2021-45105)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to infinite loop within the StrSubstitutor class. A remote attacker can pass specially crafted input to the application, consume all available system resources and cause denial of service conditions.
Payload example: ${${::-${::-$${::-j}}}}
Remediation
Install update from vendor's website.
References
- https://www.ibm.com/blogs/psirt/security-bulletin-ibm-cloud-pak-for-data-system-1-0-is-vulnerable-to-denial-of-service-due-to-apache-log4j-cve-2021-45105/"
- https://www.ibm.com/blogs/psirt/security-bulletin-ibm-cloud-pak-for-data-system-1-0-is-vulnerable-to-denial-of-service-due-to-apache-log4j-cve-2021-45105/</a><br>
- https://www.ibm.com/support/pages/node/6592581<br><br></p>