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2014-02-09Reject vulnerable keys to mitigate Debian OpenSSL flawColin Watson
In 2008, Debian (and derived distributions such as Ubuntu) shipped an OpenSSL package with a flawed random number generator, causing OpenSSH to generate only a very limited set of keys which were subject to private half precomputation. To mitigate this, this patch checks key authentications against a blacklist of known-vulnerable keys, and adds a new ssh-vulnkey program which can be used to explicitly check keys against that blacklist. See CVE-2008-0166. Bug: https://bugzilla.mindrot.org/show_bug.cgi?id=1469 Last-Update: 2013-09-14 Patch-Name: ssh-vulnkey.patch
2013-04-23 - djm@cvs.openbsd.org 2013/04/05 00:31:49Damien Miller
[pathnames.h] use the existing _PATH_SSH_USER_RC define to construct the other pathnames; bz#2077, ok dtucker@ (no binary change)
2011-05-29OpenBSD CVS SyncDamien Miller
- djm@cvs.openbsd.org 2011/05/23 03:30:07 [auth-rsa.c auth.c auth.h auth2-pubkey.c monitor.c monitor_wrap.c pathnames.h servconf.c servconf.h sshd.8 sshd_config sshd_config.5] allow AuthorizedKeysFile to specify multiple files, separated by spaces. Bring back authorized_keys2 as a default search path (to avoid breaking existing users of this file), but override this in sshd_config so it will be no longer used on fresh installs. Maybe in 2015 we can remove it entierly :) feedback and ok markus@ dtucker@
2011-05-15 - djm@cvs.openbsd.org 2011/05/11 04:47:06Damien Miller
[auth.c auth.h auth2-pubkey.c pathnames.h servconf.c servconf.h] remove support for authorized_keys2; it is a relic from the early days of protocol v.2 support and has been undocumented for many years; ok markus@
2010-08-31 - djm@cvs.openbsd.org 2010/08/31 11:54:45Damien Miller
[PROTOCOL PROTOCOL.agent PROTOCOL.certkeys auth2-jpake.c authfd.c] [authfile.c buffer.h dns.c kex.c kex.h key.c key.h monitor.c] [monitor_wrap.c myproposal.h packet.c packet.h pathnames.h readconf.c] [ssh-add.1 ssh-add.c ssh-agent.1 ssh-agent.c ssh-keygen.1 ssh-keygen.c] [ssh-keyscan.1 ssh-keyscan.c ssh-keysign.8 ssh.1 ssh.c ssh2.h] [ssh_config.5 sshconnect.c sshconnect2.c sshd.8 sshd.c sshd_config.5] [uuencode.c uuencode.h bufec.c kexecdh.c kexecdhc.c kexecdhs.c ssh-ecdsa.c] Implement Elliptic Curve Cryptography modes for key exchange (ECDH) and host/user keys (ECDSA) as specified by RFC5656. ECDH and ECDSA offer better performance than plain DH and DSA at the same equivalent symmetric key length, as well as much shorter keys. Only the mandatory sections of RFC5656 are implemented, specifically the three REQUIRED curves nistp256, nistp384 and nistp521 and only ECDH and ECDSA. Point compression (optional in RFC5656 is NOT implemented). Certificate host and user keys using the new ECDSA key types are supported. Note that this code has not been tested for interoperability and may be subject to change. feedback and ok markus@
2010-02-24 - djm@cvs.openbsd.org 2010/02/11 20:37:47Damien Miller
[pathnames.h] correct comment
2010-02-12 - markus@cvs.openbsd.org 2010/02/08 10:50:20Damien Miller
[pathnames.h readconf.c readconf.h scp.1 sftp.1 ssh-add.1 ssh-add.c] [ssh-agent.c ssh-keygen.1 ssh-keygen.c ssh.1 ssh.c ssh_config.5] replace our obsolete smartcard code with PKCS#11. ftp://ftp.rsasecurity.com/pub/pkcs/pkcs-11/v2-20/pkcs-11v2-20.pdf ssh(1) and ssh-keygen(1) use dlopen(3) directly to talk to a PKCS#11 provider (shared library) while ssh-agent(1) delegates PKCS#11 to a forked a ssh-pkcs11-helper process. PKCS#11 is currently a compile time option. feedback and ok djm@; inspired by patches from Alon Bar-Lev `
2009-01-28 - stevesk@cvs.openbsd.org 2008/12/29 02:23:26Damien Miller
[pathnames.h] no need to escape single quotes in comments
2006-03-26 - djm@cvs.openbsd.org 2006/03/25 22:22:43Damien Miller
[atomicio.h auth-options.h auth.h auth2-gss.c authfd.h authfile.h] [bufaux.h buffer.h canohost.h channels.h cipher.h clientloop.h] [compat.h compress.h crc32.c crc32.h deattack.h dh.h dispatch.h] [dns.c dns.h getput.h groupaccess.h gss-genr.c gss-serv-krb5.c] [gss-serv.c hostfile.h includes.h kex.h key.h log.h mac.h match.h] [misc.h monitor.h monitor_fdpass.h monitor_mm.h monitor_wrap.h msg.h] [myproposal.h packet.h pathnames.h progressmeter.h readconf.h rsa.h] [scard.h servconf.h serverloop.h session.h sftp-common.h sftp.h] [ssh-gss.h ssh.h ssh1.h ssh2.h sshconnect.h sshlogin.h sshpty.h] [ttymodes.h uidswap.h uuencode.h xmalloc.h] standardise spacing in $OpenBSD$ tags; requested by deraadt@
2004-07-17 - deraadt@cvs.openbsd.org 2004/07/11 17:48:47Darren Tucker
[channels.c cipher.c clientloop.c clientloop.h compat.h moduli.c readconf.c nchan.c pathnames.h progressmeter.c readconf.h servconf.c session.c sftp-client.c sftp.c ssh-agent.1 ssh-keygen.c ssh.c ssh1.h sshd.c ttymodes.h] spaces
2004-02-06Sync Ids missed in password expiry syncDarren Tucker
2004-02-06 - markus@cvs.openbsd.org 2004/01/30 09:48:57Darren Tucker
[auth-passwd.c auth.h pathnames.h session.c] support for password change; ok dtucker@ (set password-dead=1w in login.conf to use this). In -Portable, this is currently only platforms using bsdauth.
2002-06-06 - markus@cvs.openbsd.org 2002/05/23 19:24:30Ben Lindstrom
[authfile.c authfile.h pathnames.h ssh.c sshconnect.c sshconnect.h sshconnect1.c sshconnect2.c ssh-keysign.8 ssh-keysign.c Makefile.in] add /usr/libexec/ssh-keysign: a setuid helper program for hostbased authentication in protocol v2 (needs to access the hostkeys). Note: Makefile.in untested. Will test after merge is finished.
2002-05-13 - (djm) Add --with-privsep-path configure optionDamien Miller
2002-03-22 - stevesk@cvs.openbsd.org 2002/03/19 03:03:43Ben Lindstrom
[pathnames.h servconf.c servconf.h sshd.c] _PATH_PRIVSEP_CHROOT_DIR; ok provos@
2002-02-10 - (djm) OpenBSD CVS SyncDamien Miller
- deraadt@cvs.openbsd.org 2002/02/09 17:37:34 [pathnames.h session.c ssh.1 sshd.8 sshd_config ssh-keyscan.1] move ssh config files to /etc/ssh - (djm) Adjust portable Makefile.in tnd ssh-rand-helper.c o match
2001-12-24 - (djm) Ignore fix & patchlevel in OpenSSL version check. Patch fromDamien Miller
solar@openwall.com - (djm) Rework entropy code. If the OpenSSL PRNG is has not been internally seeded, execute a subprogram "ssh-rand-helper" to obtain some entropy for us. Rewrite the old in-process entropy collecter as an example ssh-rand-helper. - (djm) Always perform ssh_prng_cmds path lookups in configure, even if we don't end up using ssh_prng_cmds (so we always get a valid file)
2001-12-21 - stevesk@cvs.openbsd.org 2001/12/08 17:49:28Damien Miller
[channels.c pathnames.h] use only one path to X11 UNIX domain socket vs. an array of paths to try. report from djast@cs.toronto.edu. ok markus@
2001-06-28 - (stevesk) fix x11 forwarding from _PATH_XAUTH changeKevin Steves
2001-06-25 - markus@cvs.openbsd.org 2001/06/23 02:34:33Ben Lindstrom
[kexdh.c kexgex.c kex.h pathnames.h readconf.c servconf.h ssh.1 sshconnect1.c sshconnect2.c sshconnect.c sshconnect.h sshd.8] get rid of known_hosts2, use it for hostkey lookup, but do not modify.
2001-06-25 - markus@cvs.openbsd.org 2001/06/22 21:55:49Ben Lindstrom
[auth2.c auth-rsa.c pathnames.h ssh.1 sshd.8 sshd_config ssh-keygen.1] merge authorized_keys2 into authorized_keys. authorized_keys2 is used for backward compat. (just append authorized_keys2 to authorized_keys).
2001-06-25 - provos@cvs.openbsd.org 2001/06/22 21:27:08Ben Lindstrom
[dh.c pathnames.h] use /etc/moduli instead of /etc/primes, okay markus@
2001-06-09 - markus@cvs.openbsd.org 2001/06/08 15:25:40Ben Lindstrom
[includes.h pathnames.h readconf.c servconf.c] move the path for xauth to pathnames.h
2001-04-12 - markus@cvs.openbsd.org 2001/04/12 19:15:26Ben Lindstrom
[auth-rhosts.c auth.h auth2.c buffer.c canohost.c canohost.h compat.c compat.h hostfile.c pathnames.h readconf.c readconf.h servconf.c servconf.h ssh.c sshconnect.c sshconnect.h sshconnect1.c sshconnect2.c sshd_config] implement HostbasedAuthentication (= RhostRSAAuthentication for ssh v2) similar to RhostRSAAuthentication unless you enable (the experimental) HostbasedUsesNameFromPacketOnly option. please test. :)
2001-02-27 - (djm) Open Server 5 doesn't need BROKEN_SAVED_UIDS. Patch from Tim RiceDamien Miller
<tim@multitalents.net> - (djm) Avoid multiple definition of _PATH_LS. Patch from Tim Rice <tim@multitalents.net>
2001-02-10 - (djm) Sync sftp and scp stuff from OpenBSD:Damien Miller
- djm@cvs.openbsd.org 2001/02/07 03:55:13 [sftp-client.c] Don't free handles before we are done with them. Based on work from Corinna Vinschen <vinschen@redhat.com>. ok markus@ - djm@cvs.openbsd.org 2001/02/06 22:32:53 [sftp.1] Punctuation fix from Pekka Savola <pekkas@netcore.fi> - deraadt@cvs.openbsd.org 2001/02/07 04:07:29 [sftp.1] pretty up significantly - itojun@cvs.openbsd.org 2001/02/07 06:49:42 [sftp.1] .Bl-.El mismatch. markus ok - djm@cvs.openbsd.org 2001/02/07 06:12:30 [sftp-int.c] Check that target is a directory before doing ls; ok markus@ - itojun@cvs.openbsd.org 2001/02/07 11:01:18 [scp.c sftp-client.c sftp-server.c] unsigned long long -> %llu, not %qu. markus ok - stevesk@cvs.openbsd.org 2001/02/07 11:10:39 [sftp.1 sftp-int.c] more man page cleanup and sync of help text with man page; ok markus@ - markus@cvs.openbsd.org 2001/02/07 14:58:34 [sftp-client.c] older servers reply with SSH2_FXP_NAME + count==0 instead of EOF - djm@cvs.openbsd.org 2001/02/07 15:27:19 [sftp.c] Don't forward agent and X11 in sftp. Suggestion from Roumen Petrov <roumen.petrov@skalasoft.com> - stevesk@cvs.openbsd.org 2001/02/07 15:36:04 [sftp-int.c] portable; ok markus@ - stevesk@cvs.openbsd.org 2001/02/07 15:55:47 [sftp-int.c] lowercase cmds[].c also; ok markus@ - markus@cvs.openbsd.org 2001/02/07 17:04:52 [pathnames.h sftp.c] allow sftp over ssh protocol 1; ok djm@ - deraadt@cvs.openbsd.org 2001/02/08 07:38:55 [scp.c] memory leak fix, and snprintf throughout - deraadt@cvs.openbsd.org 2001/02/08 08:02:02 [sftp-int.c] plug a memory leak - stevesk@cvs.openbsd.org 2001/02/08 10:11:23 [session.c sftp-client.c] %i -> %d - stevesk@cvs.openbsd.org 2001/02/08 10:57:59 [sftp-int.c] typo - stevesk@cvs.openbsd.org 2001/02/08 15:28:07 [sftp-int.c pathnames.h] _PATH_LS; ok markus@ - djm@cvs.openbsd.org 2001/02/09 04:46:25 [sftp-int.c] Check for NULL attribs for chown, chmod & chgrp operations, only send relevant attribs back to server; ok markus@ - (djm) Update makefile.in for _PATH_SFTP_SERVER
2001-01-29 - niklas@cvs.openbsd.org 2001/01/2001Ben Lindstrom
[atomicio.h canohost.h clientloop.h deattack.h dh.h dispatch.h groupaccess.c groupaccess.h hmac.h hostfile.h includes.h kex.h key.h log.h login.h match.h misc.h myproposal.h nchan.ms pathnames.h radix.h readpass.h rijndael.h serverloop.h session.h sftp.h ssh-add.1 ssh-dss.h ssh-keygen.1 ssh-keyscan.1 ssh-rsa.h ssh1.h ssh_config sshconnect.h sshd_config tildexpand.h uidswap.h uuencode.h] $OpenBSD$
2001-01-25 - (bal) SSH_PROGRAM vs _PATH_SSH_PROGRAM fix pointed out by RoumenBen Lindstrom
Petrov <roumen.petrov@skalasoft.com>
2001-01-2220010123Ben Lindstrom
- (bal) regexp.h typo in configure.in. Should have been regex.h - (bal) SSH_USER_DIR to _PATH_SSH_USER_DIR patch by stevesk@
2001-01-22Hopefully things did not get mixed around too much. It compiles underBen Lindstrom
Linux and works. So that is at least a good sign. =) 20010122 - (bal) OpenBSD Resync - markus@cvs.openbsd.org 2001/01/19 12:45:26 GMT 2001 by markus [servconf.c ssh.h sshd.c] only auth-chall.c needs #ifdef SKEY - markus@cvs.openbsd.org 2001/01/19 15:55:10 GMT 2001 by markus [auth-krb4.c auth-options.c auth-rh-rsa.c auth-rhosts.c auth-rsa.c auth1.c auth2.c channels.c clientloop.c dh.c dispatch.c nchan.c packet.c pathname.h readconf.c scp.c servconf.c serverloop.c session.c ssh-add.c ssh-keygen.c ssh-keyscan.c ssh.c ssh.h ssh1.h sshconnect1.c sshd.c ttymodes.c] move ssh1 definitions to ssh1.h, pathnames to pathnames.h - markus@cvs.openbsd.org 2001/01/19 16:48:14 [sshd.8] fix typo; from stevesk@ - markus@cvs.openbsd.org 2001/01/19 16:50:58 [ssh-dss.c] clear and free digest, make consistent with other code (use dlen); from stevesk@ - markus@cvs.openbsd.org 2001/01/20 15:55:20 GMT 2001 by markus [auth-options.c auth-options.h auth-rsa.c auth2.c] pass the filename to auth_parse_options() - markus@cvs.openbsd.org 2001/01/20 17:59:40 GMT 2001 [readconf.c] fix SIGSEGV from -o ""; problem noted by jehsom@togetherweb.com - stevesk@cvs.openbsd.org 2001/01/20 18:20:29 [sshconnect2.c] dh_new_group() does not return NULL. ok markus@ - markus@cvs.openbsd.org 2001/01/20 21:33:42 [ssh-add.c] do not loop forever if askpass does not exist; from andrew@pimlott.ne.mediaone.net - djm@cvs.openbsd.org 2001/01/20 23:00:56 [servconf.c] Check for NULL return from strdelim; ok markus - djm@cvs.openbsd.org 2001/01/20 23:02:07 [readconf.c] KNF; ok markus - jakob@cvs.openbsd.org 2001/01/21 9:00:33 [ssh-keygen.1] remove -R flag; ok markus@ - markus@cvs.openbsd.org 2001/01/21 19:05:40 [atomicio.c automicio.h auth-chall.c auth-krb4.c auth-options.c auth-options.h auth-passwd.c auth-rh-rsa.c auth-rhosts.c auth-rsa.c auth.c auth.h auth1.c auth2-chall.c auth2.c authfd.c authfile.c bufaux.c bufaux.h buffer.c canahost.c canahost.h channels.c cipher.c cli.c clientloop.c clientloop.h compat.c compress.c deattack.c dh.c dispatch.c groupaccess.c hmac.c hostfile.c kex.c key.c key.h log-client.c log-server.c log.c log.h login.c login.h match.c misc.c misc.h nchan.c packet.c pty.c radix.h readconf.c readpass.c readpass.h rsa.c scp.c servconf.c serverloop.c serverloop.h session.c sftp-server.c ssh-add.c ssh-agent.c ssh-dss.c ssh-keygen.c ssh-keyscan.c ssh-rsa.c ssh.c ssh.h sshconnect.c sshconnect.h sshconnect1.c sshconnect2.c sshd.c tildexpand.c tildexpand.h ttysmodes.c uidswap.c xmalloc.c] split ssh.h and try to cleanup the #include mess. remove unnecessary #includes. rename util.[ch] -> misc.[ch] - (bal) renamed 'PIDDIR' to '_PATH_SSH_PIDDIR' to match OpenBSD tree - (bal) Moved #ifdef KRB4 in auth-krb4.c above the #include to resolve conflict when compiling for non-kerb install - (bal) removed the #ifdef SKEY in auth1.c to match Markus' changes on 1/19.
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