Security Bulletin
Summary
The sshd server provided with IBM WebSphere Application Server in IBM Cloud supports weak KEX and HostKey algorithms.
Vulnerability Details
Refer to the security bulletin(s) listed in the Remediation/Fixes section
Affected Products and Versions
| Affected Product(s) | Version(s) |
| WASaaS | 1.0.0 |
Remediation/Fixes
- Log into the deployed VM as root
- Issue the following commands
echo "" >> /etc/ssh/sshd_configecho "kexalgorithms curve25519-sha256,curve25519-sha256@libssh.org,diffie-hellman-group-exchange-sha256,diffie-hellman-group16-sha512,diffie-hellman-group18-sha512,diffie-hellman-group14-sha256" >> /etc/ssh/sshd_configsystemctl restart sshd
Workarounds and Mitigations
None
Get Notified about Future Security Bulletins
References
Change History
17 Aug 2020: Initial Publication
*The CVSS Environment Score is customer environment specific and will ultimately impact the Overall CVSS Score. Customers can evaluate the impact of this vulnerability in their environments by accessing the links in the Reference section of this Security Bulletin.
Disclaimer
Review the IBM security bulletin disclaimer and definitions regarding your responsibilities for assessing potential impact of security vulnerabilities to your environment.
Document Location
Worldwide
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Document Information
Modified date:
17 August 2020
Initial Publish date:
17 August 2020
UID
ibm16260739