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- sshd(8): Fixed a privilege separation weakness related to PAM support.
Attackers who could successfully compromise the pre-authentication
process for remote code execution and who had valid credentials on the
host could impersonate other users. Reported by Moritz Jodeit.
- sshd(8): Fixed a use-after-free bug related to PAM support that was
reachable by attackers who could compromise the pre-authentication
process for remote code execution (closes: #795711). Also reported by
Moritz Jodeit.
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world-writable. Local attackers may be able to write arbitrary messages to logged-in users, including terminal escape sequences. Reported by Nikolay Edigaryev.
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key exchange patch.
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This is friendlier to tools such as dgit that want the packaging git
tree to look like the output of "dpkg-source -x".
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* openssh-server.postinst: Quiesce "Unable to connect to Upstart" error
message from initctl if upstart is installed, but not the current init
system. (LP: #1440070)
* openssh-server.postinst: Fix version comparisons of upgrade adjustments
to not apply to fresh installs.
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to undo the sshd_config change automatically without compounding the problem of (arguably) overwriting user configuration.
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README.Debian (closes: #764842).
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(closes: #765633).
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compatibility path.
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The tests run on a high port. They're still not guaranteed to run
correctly in an schroot, but may manage to work, so this lets the
tests at least try to run on ci.debian.net.
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(some) test fixes in progress.
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and the rest of it under autopkgtest.
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* New upstream release (http://www.openssh.com/txt/release-6.7):
- sshd(8): The default set of ciphers and MACs has been altered to
remove unsafe algorithms. In particular, CBC ciphers and arcfour* are
disabled by default. The full set of algorithms remains available if
configured explicitly via the Ciphers and MACs sshd_config options.
- ssh(1), sshd(8): Add support for Unix domain socket forwarding. A
remote TCP port may be forwarded to a local Unix domain socket and
vice versa or both ends may be a Unix domain socket (closes: #236718).
- ssh(1), ssh-keygen(1): Add support for SSHFP DNS records for ED25519
key types.
- sftp(1): Allow resumption of interrupted uploads.
- ssh(1): When rekeying, skip file/DNS lookups of the hostkey if it is
the same as the one sent during initial key exchange.
- sshd(8): Allow explicit ::1 and 127.0.0.1 forwarding bind addresses
when GatewayPorts=no; allows client to choose address family.
- sshd(8): Add a sshd_config PermitUserRC option to control whether
~/.ssh/rc is executed, mirroring the no-user-rc authorized_keys
option.
- ssh(1): Add a %C escape sequence for LocalCommand and ControlPath that
expands to a unique identifer based on a hash of the tuple of (local
host, remote user, hostname, port). Helps avoid exceeding miserly
pathname limits for Unix domain sockets in multiplexing control paths.
- sshd(8): Make the "Too many authentication failures" message include
the user, source address, port and protocol in a format similar to the
authentication success / failure messages.
- Use CLOCK_BOOTTIME in preference to CLOCK_MONOTONIC when it is
available. It considers time spent suspended, thereby ensuring
timeouts (e.g. for expiring agent keys) fire correctly (closes:
#734553).
- Use prctl() to prevent sftp-server from accessing
/proc/self/{mem,maps}.
* Restore TCP wrappers support, removed upstream in 6.7. It is true that
dropping this reduces preauth attack surface in sshd. On the other
hand, this support seems to be quite widely used, and abruptly dropping
it (from the perspective of users who don't read openssh-unix-dev) could
easily cause more serious problems in practice. It's not entirely clear
what the right long-term answer for Debian is, but it at least probably
doesn't involve dropping this feature shortly before a freeze.
* Replace patch to disable OpenSSL version check with an updated version
of Kurt Roeckx's patch from #732940 to just avoid checking the status
field.
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simply a new enough dpkg.
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Architecture: all and Architecture: any binary packages (closes: #763375).
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#762128).
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booted using systemd (closes: #756547).
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Takusagawa; closes: #757059).
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LaMont Jones).
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(thanks, Steffen Stempel; LP: #1312928).
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