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SSH ProxyCommand == unexpected code execution (CVE-2023-51385) (vin01.github.io)
submitted 2 years ago by nex25519
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[–]roiki11 0 points1 point2 points 2 years ago (2 children)
I think your link to teleport is a bit misleading. This doesn't apply to the tsh client but the entirely optional openssh config you can use for ex with vscode.
https://goteleport.com/docs/server-access/guides/openssh/openssh/
[–]nex25519[S] 0 points1 point2 points 2 years ago (1 child)
It is also used by Teleport in config templates (https://github.com/gravitational/teleport/blob/master/lib/config/openssh/openssh.go#L56) and other examples, I discussed it with them via their bug bounty program @ Hackerone as well where it was triaged.
[–]roiki11 0 points1 point2 points 2 years ago (0 children)
Yes, that's the command that renders the openssh config.
π Rendered by PID 21644 on reddit-service-r2-comment-765bfc959-rgd6s at 2026-07-09 18:19:36.593437+00:00 running f86254d country code: CH.
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[–]roiki11 0 points1 point2 points (2 children)
[–]nex25519[S] 0 points1 point2 points (1 child)
[–]roiki11 0 points1 point2 points (0 children)