08f9072513
- Update of the underlying OpenSSH to 6.5p1
- Update to 6.5p1
Features since 6.4p1:
* ssh(1), sshd(8): support for key exchange using ECDH in
Daniel Bernstein's Curve25519; default when both the client
and server support it.
* ssh(1), sshd(8): support for Ed25519 as a public key type fo
rboth server and client. Ed25519 is an EC signature offering
better security than ECDSA and DSA and good performance.
* Add a new private key format that uses a bcrypt KDF to better
protect keys at rest. Used unconditionally for Ed25519 keys,
on demand for other key types via the -o ssh-keygen(1)
option. Intended to become default in the near future.
Details documented in PROTOCOL.key.
* ssh(1), sshd(8): new transport cipher
"chacha20-poly1305@openssh.com" combining Daniel Bernstein's
ChaCha20 stream cipher and Poly1305 MAC to build an
authenticated encryption mode. Details documented
PROTOCOL.chacha20poly1305.
* ssh(1), sshd(8): refuse RSA keys from old proprietary clients
and servers that use the obsolete RSA+MD5 signature scheme.
It will still be possible to connect with these
clients/servers but only DSA keys will be accepted, and
OpenSSH will refuse connection entirely in a future release.
* ssh(1), sshd(8): refuse old proprietary clients and servers
that use a weaker key exchange hash calculation.
* ssh(1): increase the size of the Diffie-Hellman groups
requested for each symmetric key size. New values from NIST
Special Publication 800-57 with the upper limit specified by
OBS-URL: https://build.opensuse.org/request/show/222365
OBS-URL: https://build.opensuse.org/package/show/network/openssh?expand=0&rev=63
29 lines
1.1 KiB
Diff
29 lines
1.1 KiB
Diff
# identify hashed hosts in known_hosts and suggest command line for their
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# removal
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diff --git a/openssh-6.5p1/sshconnect.c b/openssh-6.5p1/sshconnect.c
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--- a/openssh-6.5p1/sshconnect.c
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+++ b/openssh-6.5p1/sshconnect.c
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@@ -1067,16 +1067,21 @@ check_host_key(char *hostname, struct so
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ip_found->file, ip_found->line);
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}
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/* The host key has changed. */
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warn_changed_key(host_key);
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error("Add correct host key in %.100s to get rid of this message.",
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user_hostfiles[0]);
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error("Offending %s key in %s:%lu", key_type(host_found->key),
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host_found->file, host_found->line);
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+ error("You can use following command to remove all keys for this IP:");
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+ if (host_found->file)
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+ error("ssh-keygen -R %s -f %s", hostname, host_found->file);
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+ else
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+ error("ssh-keygen -R %s", hostname);
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/*
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* If strict host key checking is in use, the user will have
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* to edit the key manually and we can only abort.
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*/
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if (options.strict_host_key_checking) {
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error("%s host key for %.200s has changed and you have "
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"requested strict checking.", type, host);
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