| version 1.13, 2014/08/11 10:00:45 |
version 1.14, 2014/08/29 13:02:48 |
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| <li>OpenSSH 6.7 |
<li>OpenSSH 6.7 |
| <ul> |
<ul> |
| <li>Security: |
<li>Potentially-incompatible changes: |
| <ul> |
<ul> |
| <li>... |
<li><a href="http://www.openbsd.org/cgi-bin/man.cgi?query=sshd&sektion=8">sshd(8)</a>: |
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The default set of ciphers and <i>MAC</i>s has been altered to remove |
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unsafe algorithms. In particular, <i>CBC ciphers</i> and |
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<i>arcfour*</i> are disabled by default. |
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<li><a href="http://www.openbsd.org/cgi-bin/man.cgi?query=sshd&sektion=8">sshd(8)</a>: |
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Support for <i>tcpwrappers</i>/<i>libwrap</i> has been removed. |
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<li>OpenSSH 6.5 and 6.6 have a bug that causes ~0.2% of connections |
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using the "curve25519-sha256@libssh.org" <i>KEX exchange method</i> |
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to fail when connecting with something that implements the |
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specification correctly. OpenSSH 6.7 disables this KEX method when |
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speaking to one of the affected versions. |
| </ul> |
</ul> |
| <li>New/changed features: |
<li>New/changed features: |
| <ul> |
<ul> |
| <li>... |
<li>Major internal refactoring to begin to make part of OpenSSH usable |
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as a library. So far the wire parsing, key handling and KRL code |
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has been refactored. Please note that we do not consider the API |
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stable yet, nor do we offer the library in separable form. |
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<li><a href="http://www.openbsd.org/cgi-bin/man.cgi?query=ssh&sektion=1">ssh(1)</a>, |
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<a href="http://www.openbsd.org/cgi-bin/man.cgi?query=sshd&sektion=8">sshd(8)</a>: |
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Add support for <i>Unix domain socket</i> forwarding. A remote TCP |
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port may be forwarded to a local Unix domain socket and vice versa or |
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both ends may be a Unix domain socket. |
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<li><a href="http://www.openbsd.org/cgi-bin/man.cgi?query=ssh&sektion=1">ssh(1)</a>, |
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<a href="http://www.openbsd.org/cgi-bin/man.cgi?query=ssh-keygen&sektion=1">ssh-keygen(1)</a>: |
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Add support for <i>SSHFP DNS records</i> for <i>Ed2551</i>9 key types. |
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<li><a href="http://www.openbsd.org/cgi-bin/man.cgi?query=sftp&sektion=1">sftp(1)</a>: |
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Allow resumption of interrupted uploads. |
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<li><a href="http://www.openbsd.org/cgi-bin/man.cgi?query=ssh&sektion=1">ssh(1)</a>: |
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When rekeying, skip file/DNS lookups of the hostkey if it is the same |
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as the one sent during initial key exchange. (bz#2154) |
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<li><a href="http://www.openbsd.org/cgi-bin/man.cgi?query=sshd&sektion=8">sshd(8)</a>: |
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Allow explicit ::1 and 127.0.0.1 forwarding bind addresses when |
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<tt>GatewayPorts=no</tt>; allows client to choose address family. |
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(bz#2222) |
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<li><a href="http://www.openbsd.org/cgi-bin/man.cgi?query=sshd&sektion=8">sshd(8)</a>: |
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Add a |
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<a href="http://www.openbsd.org/cgi-bin/man.cgi?query=sshd_config&sektion=5">sshd_config(5)</a> |
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<tt>PermitUserRC</tt> option to control whether <tt>~/.ssh/rc</tt> is |
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executed, mirroring the <tt>no-user-rc</tt> authorized_keys option. |
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(bz#2160) |
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<li><a href="http://www.openbsd.org/cgi-bin/man.cgi?query=ssh&sektion=1">ssh(1)</a>: |
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Add a %C escape sequence for <tt>LocalCommand</tt> and |
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<tt>ControlPath</tt> that expands to a unique identifer based on a |
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hash of the tuple of (local host, remote user, hostname, port). Helps |
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avoid exceeding miserly pathname limits for Unix domain sockets in |
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multiplexing control paths. (bz#2220) |
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<li><a href="http://www.openbsd.org/cgi-bin/man.cgi?query=sshd&sektion=8">sshd(8)</a>: |
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Make the "Too many authentication failures" message include the user, |
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source address, port and protocol in a format similar to the |
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authentication success/failure messages. (bz#2199) |
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<li>Added <i>unit</i> and <i>fuzz</i> tests for refactored code. |
| </ul> |
</ul> |
| <li>The following significant bugs have been fixed in this release: |
<li>The following significant bugs have been fixed in this release: |
| <ul> |
<ul> |
| <li>... |
<li><a href="http://www.openbsd.org/cgi-bin/man.cgi?query=sshd&sektion=8">sshd(8)</a>: |
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Fix remote forwarding with same listen port but different listen |
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address. |
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<li><a href="http://www.openbsd.org/cgi-bin/man.cgi?query=ssh&sektion=1">ssh(1)</a>: |
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Fix inverted test that caused <i>PKCS#11</i> keys that were explicitly |
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listed in |
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<a href="http://www.openbsd.org/cgi-bin/man.cgi?query=ssh_config&sektion=5">ssh_config(5)</a> |
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or on the commandline not to be preferred. |
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<li><a href="http://www.openbsd.org/cgi-bin/man.cgi?query=ssh-keygen&sektion=1">ssh-keygen(1)</a>: |
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Fix bug in KRL generation: multiple consecutive revoked certificate |
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serial number ranges could be serialised to an invalid format. |
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Readers of a broken KRL caused by this bug will fail closed, so no |
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should-have-been-revoked key will be accepted. |
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<li><a href="http://www.openbsd.org/cgi-bin/man.cgi?query=ssh&sektion=1">ssh(1)</a>: |
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Reflect stdio-forward ("<tt>ssh -W host:port ...</tt>") failures in |
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exit status. Previously we were always returning 0. (bz#2255) |
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<li><a href="http://www.openbsd.org/cgi-bin/man.cgi?query=ssh&sektion=1">ssh(1)</a>, |
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<a href="http://www.openbsd.org/cgi-bin/man.cgi?query=ssh-keygen&sektion=1">ssh-keygen(1)</a>: |
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Make Ed25519 keys' title fit properly in the randomart border. |
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(bz#2247) |
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<li><a href="http://www.openbsd.org/cgi-bin/man.cgi?query=ssh-agent&sektion=1">ssh-agent(1)</a>: |
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Only cleanup agent socket in the main agent process and not in any |
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subprocesses it may have started (e.g. forked askpass). Fixes agent |
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sockets being zapped when askpass processes <i>fatal()</i>. (bz#2236) |
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<li><a href="http://www.openbsd.org/cgi-bin/man.cgi?query=ssh-add&sektion=1">ssh-add(1)</a>: |
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Make stdout line-buffered; saves partial output getting lost when |
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<a href="http://www.openbsd.org/cgi-bin/man.cgi?query=ssh-add&sektion=1">ssh-add(1)</a> |
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<i>fatal()</i>s part-way through (e.g. when listing keys from an |
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agent that supports key types that |
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<a href="http://www.openbsd.org/cgi-bin/man.cgi?query=ssh-add&sektion=1">ssh-add(1)</a> |
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doesn't). (bz#2234) |
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<li><a href="http://www.openbsd.org/cgi-bin/man.cgi?query=ssh-keygen&sektion=1">ssh-keygen(1)</a>: |
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When hashing or removing hosts, don't choke on "@revoked" markers and |
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don't remove "@cert-authority" markers. (bz#2241) |
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<li><a href="http://www.openbsd.org/cgi-bin/man.cgi?query=ssh&sektion=1">ssh(1)</a>: |
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Don't fatal when hostname canonicalisation fails and a |
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<tt>ProxyCommand</tt> is in use; continue and allow the |
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<tt>ProxyCommand</tt> to connect anyway (e.g. to a host with a name |
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outside the DNS behind a bastion). |
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<li><a href="http://www.openbsd.org/cgi-bin/man.cgi?query=scp&sektion=1">scp(1)</a>: |
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When copying local->remote fails during read, don't send uninitialised |
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heap to the remote end. |
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<li><a href="http://www.openbsd.org/cgi-bin/man.cgi?query=sftp&sektion=1">sftp(1)</a>: |
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Fix fatal "el_insertstr failed" errors when tab-completing filenames |
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with a single quote char somewhere in the string. (bz#2238) |
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<li><a href="http://www.openbsd.org/cgi-bin/man.cgi?query=ssh-keyscan&sektion=1">ssh-keyscan(1)</a>: |
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Scan for Ed25519 keys by default. |
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<li><a href="http://www.openbsd.org/cgi-bin/man.cgi?query=ssh&sektion=1">ssh(1)</a>: |
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When using <tt>VerifyHostKeyDNS</tt> with a DNSSEC resolver, |
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down-convert any certificate keys to plain keys and attempt SSHFP |
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resolution. Prevents a server from skipping SSHFP lookup and forcing |
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a new-hostkey dialog by offering only certificate keys. |
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<li><a href="http://www.openbsd.org/cgi-bin/man.cgi?query=sshd&sektion=8">sshd(8)</a>: |
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Avoid crash at exit via NULL pointer reference. (bz#2225) |
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<li>Fix some strict-alignment errors. |
| </ul> |
</ul> |
| </ul> |
</ul> |
| <p> |
<p> |
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