IBM Cloud Pak for Multicloud Management Infrastructure Management update for Go
| Risk | Medium |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2021-43565 |
| CWE-ID | CWE-20 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
IBM Cloud Pak for Multicloud Management Client/Desktop applications / Software for system administration |
| Vendor | IBM Corporation |
Security Bulletin
This security bulletin contains one medium risk vulnerability.
1) Input validation error
EUVDB-ID: #VU64805
Risk: Medium
CVSSv3.1:
CVE-ID: CVE-2021-43565
CWE-ID:
CWE-20 - Improper Input Validation
Exploit availability: No
DescriptionThe 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.
MitigationInstall update from vendor's website.
Vulnerable software versionsIBM Cloud Pak for Multicloud Management: before 2.3.5
CPE2.3
http://www.ibm.com/blogs/psirt/security-bulletin-a-security-vulnerability-in-go-crypto-affects-ibm-cloud-pak-for-multicloud-management-managed-services/
http://www.ibm.com/support/pages/node/6621975
Q & A
Can this vulnerability be exploited remotely?
Is there known malware, which exploits this vulnerability?
