IBM Cloud Pak for Multicloud Management Infrastructure Management update for Go



Published: 2022-09-26
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
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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

Description

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.

Mitigation

Install update from vendor's website.

Vulnerable software versions

IBM Cloud Pak for Multicloud Management: before 2.3.5


CPE2.3
External links

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?



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