SB2022080905 - Denial of service in Platform Navigator and Automation Assets in IBM Cloud Pak for Integration
Published: August 9, 2022
Security Bulletin ID
SB2022080905
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) Input validation error (CVE-ID: CVE-2021-43565)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient validation of user-supplied input when parsing a Signer to ServerConfig.AddHostKey in cases where the Signer passed to AddHostKey does not implement AlgorithmSigner or the Signer passed to AddHostKey returns a key of type “ssh-rsa” from its PublicKey method. A remote attacker can pass specially crafted input to the application and perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
References
- https://www.ibm.com/blogs/psirt/security-bulletin-platform-navigator-and-automation-assets-in-ibm-cloud-pak-for-integration-are-vulnerable-to-denial-of-service-due-to-go-cve-2021-43565/"
- https://www.ibm.com/blogs/psirt/security-bulletin-platform-navigator-and-automation-assets-in-ibm-cloud-pak-for-integration-are-vulnerable-to-denial-of-service-due-to-go-cve-2021-43565/</a><br>
- https://www.ibm.com/support/pages/node/6610869<br><br></p>