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SCP code vulnerabilities in multiple SSH implementations (aka CVE-2018-20685, CVE-2019-6109, CVE-2019-6110 & CVE-2019-6111)

This document (7023647) is provided subject to the disclaimer at the end of this document.

Environment

SUSE Linux Enterprise Server 11
SUSE Linux Enterprise Server 12
SUSE Linux Enterprise Server 15

Situation

Recently a series of vulnerabilities were discovered and published within the scp code of multiple SSH implementations (OpenSSH, PuTTY WinSCP).

The official advisory can be found here :

Resolution

SUSE is working on reviewing and testing the updates for these CVE's, and expects the relevant updates to be released shortly. 

As an interim workaround to mitigate this problem, the suggestion is to use sftp instead of scp.

Cause

Additional Information

Note 1: These vulnerabilities are only exploitable when copying files from a malicious / compromised server.
Note 2: There is NO vulnerability in the protocol itself, nor in the SSH server and/or client. The vulnerability only exists in the scp utility.

Disclaimer

This Support Knowledgebase provides a valuable tool for NetIQ/Novell/SUSE customers and parties interested in our products and solutions to acquire information, ideas and learn from one another. Materials are provided for informational, personal or non-commercial use within your organization and are presented "AS IS" WITHOUT WARRANTY OF ANY KIND.

  • Document ID:7023647
  • Creation Date:17-JAN-19
  • Modified Date:17-JAN-19
    • SUSESUSE Linux Enterprise Server
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