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2018-08-17Fix user enumeration vulnerabilityColin Watson
Apply upstream patch to delay bailout for invalid authenticating user until after the packet containing the request has been fully parsed. Closes: #906236
2018-06-28[ Christian Ehrhardt ]Christian Ehrhardt
Fix unintentional restriction of authorized keys environment options to be alphanumeric (LP: #1771011)
2018-04-03New upstream release (7.7p1)Colin Watson
2018-01-16Fix putty-transfer regression test.Colin Watson
2017-10-07Apply upstream patch to fix PermitOpen argument handling.Colin Watson
2017-10-05New upstream release (7.6p1)Colin Watson
2017-08-28Apply patches from https://bugzilla.mindrot.org/show_bug.cgi?id=2752 to ↵Colin Watson
allow some extra syscalls for crypto cards on s390x (LP: #1686618).
2017-08-22Drop Upstart-specific patchesColin Watson
2017-06-06Fix incoming compression statistics (thanks, Russell Coker; closes: #797964).Colin Watson
2017-04-02Fix syntax error on Linux/X32Colin Watson
2017-04-02Add missing header on Linux/s390Colin Watson
2017-04-02New upstream release (7.5p1)Colin Watson
2017-03-30Unbreak Unix domain socket forwarding for root (closes: #858252).Colin Watson
2017-03-16Fix null pointer dereference in ssh-keygen; this fixes an autopkgtest ↵Colin Watson
regression introduced in 1:7.4p1-8.
2017-03-14Fix ssh-keyscan to correctly hash hosts with a port number (closes: #857736, ↵Colin Watson
LP: #1670745).
2017-03-09Fix ssh-keygen -H accidentally corrupting known_hosts that contained ↵Colin Watson
already-hashed entries (closes: #851734, LP: #1668093).
2017-03-05Restore reading authorized_keys2 by defaultColin Watson
Upstream seems to intend to gradually phase this out, so don't assume that this will remain the default forever. However, we were late in adopting the upstream sshd_config changes, so it makes sense to extend the grace period (closes: #852320).
2017-01-16Remove ssh_host_dsa_key from HostKey default (closes: #850614).Colin Watson
2017-01-03Work around clock_gettime kernel bug on Linux x32 (closes: #849923).Colin Watson
2017-01-03Create mux socket for regression tests in a temporary directory.Colin Watson
2017-01-02merge patched into masterColin Watson
2017-01-01Make integrity tests more robust against timeouts in the case where the ↵Colin Watson
first test in a series for a given MAC happens to modify the low bytes of a packet length.
2016-12-23New upstream release (7.4p1).Colin Watson
2016-11-19Fix and enable PuTTY interoperability tests under autopkgtest.Colin Watson
2016-10-24CVE-2016-8858: Unregister the KEXINIT handler after message has been ↵Colin Watson
received (closes: #841884).
2016-08-07New upstream release (7.3p1).Colin Watson
2016-07-22Backport upstream patch to close ControlPersist background process stderr ↵Colin Watson
when not in debug mode or when logging to a file or syslog (closes: #714526).
2016-07-22CVE-2016-6210: Mitigate user enumeration via covert timing channel.Colin Watson
2016-04-28Backport upstream patch to unbreak authentication using lone certificate ↵Colin Watson
keys in ssh-agent: when attempting pubkey auth with a certificate, if no separate private key is found among the keys then try with the certificate key itself (thanks, Paul Querna; LP: #1575961).
2016-04-13CVE-2015-8325: Ignore PAM environment vars when UseLogin=yes.Colin Watson
2016-03-08New upstream release (7.2).Colin Watson
2016-01-14New upstream release (7.1p2).Colin Watson
2015-12-21Add systemd readiness notification support (closes: #778913).Michael Biebl
2015-12-15Backport upstream patch to unbreak connections with peers that set ↵Colin Watson
first_kex_follows (LP: #1526357).
2015-12-03Drop SSH1 keepalive patch. Now that SSH1 is disabled at compile-time, it's ↵Colin Watson
been rejected upstream and there isn't much point carrying it any more.
2015-11-29New upstream release (7.0p1).Colin Watson
2015-11-24Drop ConsoleKit session registration patch; it was only ever enabled for ↵Colin Watson
Ubuntu, which no longer needs it (LP: #1334916, #1502045).
2015-08-20Let principals-command.sh work for noexec /var/run.Colin Watson
2015-08-19CVE-2015-5600: sshd(8): Fix circumvention of MaxAuthTries using ↵Colin Watson
keyboard-interactive authentication (closes: #793616).
2015-08-19Backport PAM security fixes.Colin Watson
- 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.
2015-08-19SECURITY: sshd(8): OpenSSH 6.8 and 6.9 incorrectly set TTYs to be ↵Colin Watson
world-writable. Local attackers may be able to write arbitrary messages to logged-in users, including terminal escape sequences. Reported by Nikolay Edigaryev.
2014-10-07Merge 6.7p1.Colin Watson
* 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.
2014-04-21Apply upstream-recommended patch to fix bignum encoding for ↵Colin Watson
curve25519-sha256@libssh.org, fixing occasional key exchange failures.
2014-03-26merge patched into masterMatthew Vernon
2014-03-25merge patched into masterMatthew Vernon
2014-03-20Merge 6.6p1.Colin Watson
* New upstream release (http://www.openssh.com/txt/release-6.6).
2014-02-15Fix getsockname errors when using "ssh -W" (closes: #738693).Colin Watson
2014-02-11Backport upstream patch to unbreak case-sensitive matching of ssh_config ↵Colin Watson
(closes: #738619).
2014-02-09Drop ssh-vulnkeyColin Watson
Drop ssh-vulnkey and the associated ssh/ssh-add/sshd integration code, leaving only basic configuration file compatibility, since it has been nearly six years since the original vulnerability and this code is not likely to be of much value any more. See https://lists.debian.org/debian-devel/2013/09/msg00240.html for my full reasoning.
2014-02-09Initialize git-dpmColin Watson
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