SFTPPlus is not affected by the Meltdown and Spectre Vulnerabilities
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Security advisory about the Meltdown and Spectre are vulnerabilities
Meltdown and Spectre are vulnerabilities based on CPU design flaws which require the attacker to be able to execute application code which is created to exploit these vulnerabilities.
SFTPPlus secure file transfers does not allow any arbitrary application code execution. It will only read and write data without executing it. This is standard behaviour for doing file transfers over FTPS or HTTPS.
The SSH implementation of SFTPPlus is only allowed for the SFTP and SCP protocols. Shell access or any other SSH execution is denied. The SCP protocol is implemented using an embedded SCP protocol and no external scp application is called.
For the purpose of managed file transfers, SFTPPlus allows the execution of pre-configured application code with the pre and post transfer hooks. As long as the SFTPPlus is configured with trusted applications, this does not constitute an attack vector.
If you are running SFTPPlus Itanium architectures, for example with HPUX, you are not affected by these vulnerabilities, no mater what other software is in used on those systems.
SPARC architecture (example with Solaris 10) and POWER (example with AIX 7.1) are affected by the Spectre, while not being affected by Meltdown.
The embedded devices based on ARM64 CPUs are also affected by Spectre.
Administrators using the SFTPPlus MFT Client with pre and post transfer hooks should review the configuration and make sure that the hooks will trigger calls to trusted applications.
This article was written as of SFTPPlus version 3.31.0.
Evaluating SFTPPlus MFT
The features listed in this article are just a selected few out of many integration and configuration options that are available today. Feel free to talk to the Support team about your requirements with file transfer software.
SFTPPlus MFT Server supports FTP, Explicit FTPS, Implicit FTPS, SFTP, SCP, HTTP and HTTPS.
SFTPPlus MFT is available as an on-premise solution supported on Windows, Linux, AIX, MacOS, Solaris, HP-UX, and FreeBSD.
It is also available on the cloud as Docker containers, AWS or Azure instances and many other cloud providers.
Request a trial using the form below.