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Diffstat (limited to 'CHANGES')
| -rw-r--r-- | CHANGES | 519 |
1 files changed, 519 insertions, 0 deletions
@@ -0,0 +1,519 @@ +0.47 - Thurs Dec 8 2005 + +- SECURITY: fix for buffer allocation error in server code, could potentially + allow authenticated users to gain elevated privileges. All multi-user systems + running the server should upgrade (or apply the patch available on the + Dropbear webpage). + +- Fix channel handling code so that redirecting to /dev/null doesn't use + 100% CPU. + +- Turn on zlib compression for dbclient. + +- Set "low delay" TOS bit, can significantly improve interactivity + over some links. + +- Added client keyboard-interactive mode support, allows operation with + newer OpenSSH servers in default config. + +- Log when pubkey auth fails because of bad ~/.ssh/authorized_keys permissions + +- Improve logging of assertions + +- Added aes-256 cipher and sha1-96 hmac. + +- Fix twofish so that it actually works. + +- Improve PAM prompt comparison. + +- Added -g (dbclient) and -a (dropbear server) options to allow + connections to listening forwarded ports from remote machines. + +- Various other minor fixes + +- Compile fixes for glibc 2.1 (ss_family vs __ss_family) and NetBSD + (netinet/in_systm.h needs to be included). + +0.46 - Sat July 9 2005 + +- Fix long-standing bug which caused connections to be closed if an ssh-agent + socket was no longer available + +- Print a warning if we seem to be blocking on /dev/random + (suggested by Paul Fox) + +- Fixed a memory leak in DSS code (thanks to Boris Berezovsky for the patch) + +- dbclient -L no longer segfaults, allocate correct buffer size (thanks + to David Cook for reporting it, and Christopher Faylor for independently + sending in a patch) + +- Added RSA blinding to signing code (suggested by Dan Kaminsky) + +- Rearranged bignum reading/random generation code + +- Reset the non-blocking status on stderr and stdout as well as stdin, + fixes a problem where the shell running dbclient will exit (thanks to + Brent Roman for reporting it) + +- Fix so that all file descriptors are closed so the child shell doesn't + inherit descriptors (thanks to Linden May for the patch) + +- Change signkey.c to avoid gcc 4 generating incorrect code + +- After both sides of a file descriptor have been shutdown(), close() + it to avoid leaking descriptors (thanks to Ari Hyttinen for a patch) + +- Update to LibTomCrypt 1.05 and LibTomMath 0.35 + +0.45 - Mon March 7 2005 + +- Makefile no longer appends 'static' to statically linked binaries + +- Add optional SSH_ASKPASS support to the client + +- Respect HOST_LOOKUP option + +- Fix accidentally removed "return;" statement which was removed in 0.44 + (causing clients which sent an empty terminal-modes string to fail to + connect - including pssh, ssh.com, danger hiptop). (patches + independently from Paul Fox, David Horwitt and Sven-Ola Tuecke) + +- Read "y/n" response for fingerprints from /dev/tty directly so that dbclient + will work with scp. + +0.44 - Mon Jan 3 2005 + +- SECURITY: Fix for PAM auth so that usernames are logged and conversation + function responses are allocated correctly - all 0.44test4 users with PAM + compiled in (not default) are advised to upgrade. + +- Fix calls to getnameinfo() for compatibility with Solaris + +- Pristine compilation works (run 'configure' from a fresh dir and make it + there) + +- Fixes for compiling with most options disabled. + +- Upgraded to LibTomCrypt 0.99 and LibTomMath 0.32 + +- Make sure that zeroing out of values in LTM and LTC won't get optimised away + +- Removed unused functions from loginrec.c + +- /dev/random is now the default entropy source rather than /dev/urandom + +- Logging of IPs in auth success/failure messages for improved greppability + +- Fix dbclient so that "scp -i keyfile" works. (It can handle "-ikeyfile + properly) + +- Avoid a race in server shell-handling code which prevents the exit-code + from being returned to the client in some circumstances. + +- Makefile modified so that install target works correctly (doesn't try + to install "all" binary) - patch from Juergen Daubert + +- Various minor fixes and compile warnings. + +0.44test4 - Tue Sept 14 2004 21:15:54 +0800 + +- Fix inetd mode so it actually loads the hostkeys (oops) + +- Changed DROPBEAR_DEFPORT properly everywhere + +- Fix a small memory leak in the auth code + +- WCOREDUMP is only used on systems which support it (ie not cygwin or AIX) + +- Check (and fail for) cases when we can't negotiate algorithms with the + remote side successfully (rather than bombing out ungracefully) + +- Handle authorized_keys files without a terminating newline + +- Fiddle the channel receive window size for possibly better performance + +- Added in the PAM authentication code (finally! thanks to Martin Carlsson) + +0.44test3 - Fri Aug 27 22:20:54 +0800 + +- Fixed a bunch of warnings. + +- scp works correctly when passed a username (fix for the dbclient program + itself as well, "-lmatt" works as well as "-l matt"). + +- Remove unrequired debian files + +- Exit with the remote process's return code for dbclient + +- Display stderr messages from the server in the client + +- Add circular buffering to the channel code. This should dramatically reduce + the amount of backtraffic sent in response to traffic incoming to the + Dropbear end - improves high-latency performance (ie dialup). + +- Various other related channel-handling fixups. + +- Allow leading lines in the banner when connecting to servers + +- Fixed printing out errors onto the network socket with stderr (for inetd + mode when using xinetd) + +- Remove obselete documentation + +- Fix a null-pointer exception when trying to free non-existant listeners + at cleanup. + +- DEBUG_TRACE now only works if you add "-v" to the program commandline + +- Don't leave stdin non-blocking on exit - this caused the parent shell + of dbclient to close when dbclient exited, for some shells in BusyBox + +- Server connections no longer timeout after 5 minutes + +- Fixed stupid DSS hostkey typo (server couldn't load host keys) + +0.44test2 - Tues Aug 17 2004 17:43:54 +0800 + +- Fix up dropbearmulti targets in the Makefile - symlinks are now created + +- Compile fake-rfc2553 even with dropbearconvert/dropbearkey - this + allows them to work on platforms without a native getaddrinfo() + +- Create ~/.ssh/known_hosts properly if it doesn't exist + +- Fix basename() function prototype + +- Backport some local changes (more #ifdefs for termcodes.c, a fix for missing + defines on AIX). + +- Let dbclient be run as "ssh" + +- Initialise mp_ints by default + +0.44test1 - Sun Aug 16 2005 17:43:54 +0800 + +- TESTING RELEASE - this is the first public release of the client codebase, + so there are sure to be bugs to be found. In addition, if you're just using + the server portion, the final binary size probably will increase - I'll + be trying to get it back down in future releases. + +- Dropbear client added - lots of changes to the server code as well to + generalise things + +- IPv6 support added for client, server, and forwarding + +- New makefile with more generic support for multiple-program binaries + +0.43 - Fri Jul 16 2004 17:44:54 +0800 + +- SECURITY: Don't try to free() uninitialised variables in DSS verification + code. Thanks to Arne Bernin for pointing out this bug. This is possibly + exploitable, all users with DSS and pubkey-auth compiled in are advised to + upgrade. + +- Clean up agent forwarding socket files correctly, patch from Gerrit Pape. + +- Don't go into an infinite loop when portforwarding to servers which don't + send any initial data/banner. Patch from Nikola Vladov + +- Fix for network vs. host byte order in logging remote TCP ports, also + from Gerrit Pape. + +- Initialise many pointers to NULL, for general safety. Also checked cleanup + code for mp_ints (related to security issues above). + +0.42 - Wed Jun 16 2004 12:44:54 +0800 + +- Updated to Gerrit Pape's official Debian subdirectory + +- Fixed bad check when opening /dev/urandom - thanks to Danny Sung. + +- Added -i inetd mode flag, and associated options in options.h . Dropbear + can be compiled with either normal mode, inetd, or both modes. Thanks + to Gerrit Pape for basic patch and motivation. + +- Use <dirent.h> rather than <sys/dir.h> for POSIX compliance. Thanks to Bill + Sommerfield. + +- Fixed a TCP forwarding (client-local, -L style) bug which caused the whole + session to close if the TCP connection failed. Thanks to Andrew Braund for + reporting it and helping track it down. + +- Re-enable sigpipe for child processes. Thanks to Gerrit Pape for some + suggestions, and BSD manpages for a clearer explanation of the behaviour. + +- Added manpages, thanks to Gerrit Pape. + +- Changed license text for LibTomCrypt and LibTomMath. + +- Added strip-static target + +- Fixed a bug in agent-forwarding cleanup handler - would segfault + (dereferencing a null pointer) if agent forwarding had failed. + +- Fix behaviour of authorized_keys parsing, so larger (>1024 bit) DSA keys will + work. Thanks to Dr. Markus Waldeck for the report. + +- Fixed local port forwarding code so that the "-j" option will make forwarding + attempts fail more gracefully. + +- Allow repeated requests in a single session if previous ones fail - this fixes PuTTY and some other SCP clients, which try SFTP, then fall-back to SCP if it + isn't available. Thanks to Stirling Westrup for the report. + +- Updated to LibTomCrypt 0.96 and LibTomMath 0.30. The AES code now uses + smaller non-precomputed tables if DROPBEAR_SMALL_CODE is defined in + options.h, leading to a significant reduction in the binary size. + +0.41 - Mon Jan 19 2004 22:40:19 +0800 + +- Fix in configure so that cross-compiling works, thanks to numerous people for + reporting and testing + +- Terminal mode parsing now handles empty terminal mode strings (sent by + Windows ssh.com clients), thanks to Ricardo Derbes for the report + +- Handling is improved for users with no shell specified in /etc/passwd, + thanks again to Ricardo Derbes + +- Fix for compiling with --disable-syslog, thanks to gordonfh + +- Various minor fixes allow scp to work with irix, thanks to Paul Marinceu for + fixing it up + +- Use <stropts.h> not <sys/stropts.h>, since the former seems more common + +0.40 - Tue Jan 13 2004 21:05:19 +0800 + +- Remote TCP forwarding (-R) style implemented + +- Local and remote TCP forwarding can each be disabled at runtime (-k and -j + switches) + +- Fix for problems detecting openpty() with uClibc - many thanks to various + people for reporting and testing fixes, including (in random order) Cristian + Ionescu-Idbohrn, James Ewing, Steve Dover, Thomas Lundquist and Frederic + Lavernhe + +- Improved portability for IRIX, thanks to Paul Marinceu + +- AIX and HPUX portability fixes, thanks to Darren Tucker for patches + +- prngd should now work correctly, thanks to Darren Tucker for the patch + +- scp compilation on systems without strlcpy() is fixed, thanks to Peter + Jannesen and David Muse for reporting it (independently and simultaneously :) + +- Merged in new LibTomCrypt 0.92 and LibTomMath 0.28 + +0.39 - Tue Dec 16 2003 15:19:19 +0800 + +- Better checking of key lengths and parameters for DSS and RSA auth + +- Print fingerprint of keys used for pubkey auth + +- More consistent logging of usernames and IPs + +- Added option to disable password auth (or just for root) at runtime + +- Avoid including bignum functions which don't give much speed benefit but + take up binary size + +- Added a stripped down version of OpenSSH's scp binary + +- Added additional supporting functions for Irix, thanks to Paul Marinceu + +- Don't check for unused libraries in configure script + +- Removed trailing comma in algorithm lists (thanks to Mihnea Stoenescu) + +- Fixed up channel close handling, always send close packet in response + (also thanks to Mihnea Stoenescu) + +- Various makefile improvements for cross-compiling, thanks to Friedrich + Lobenstock and Mihnea Stoenescu + +- Use daemon() function if available (or our own copy) rather than separate + code (thanks to Frédéric Lavernhe for the report and debugging, and Bernard + Blackham for his suggestion on what to look at) + +- Fixed up support for first_kex_packet_follows, required to talk to ssh.com + clients. Thanks to Marian Stagarescu for the bug report. + +- Avoid using MAXPATHLEN, pointer from Ian Morris + +- Improved input sanity checking + +0.38 - Sat Oct 11 2003 16:28:13 +0800 + +- Default hostkey path changed to /etc/dropbear/dropbear_{rsa,dss}_host_key + rather than /etc/dropbear_{rsa,dss}_host_key + +- Added SMALL and MULTI text files which have info on compiling for multiple + binaries or small binaries + +- Allow for commandline definition of some options.h settings + (without warnings) + +- Be more careful handling EINTR + +- More fixes for channel closing + +- Added multi-binary support + +- Improved logging of IPs, now get logged in all cases + +- Don't chew cpu when waiting for version identification string, also + make sure that we kick off people if they don't auth within 5 minutes. + +- Various small fixes, warnings etc + +- Display MOTD if requested - suggested by + Trent Lloyd <lathiat at sixlabs.org> and + Zach White <zwhite at darkstar.frop.org> + +- sftp support works (relies on OpenSSH sftp binary or similar) + +- Added --disable-shadow option (requested by the floppyfw guys) + +0.37 - Wed Sept 24 2003 19:42:12 +0800 + +- Various portability fixes, fixes for Solaris 9, Tru64 5.1, Mac OS X 10.2, + AIX, BSDs + +- Updated LibTomMath to 0.27 and LibTomCrypt to 0.90 + +- Renamed util.{c,h} to dbutil.{c,h} to avoid conflicts with system util.h + +- Added some small changes so it'll work with AIX (plus Linux Affinity). + Thanks to Shig for them. + +- Improved the closing messages, so a clean exit is "Exited normally" + +- Added some more robust integer/size checking in buffer.c as a backstop for + integer overflows + +- X11 forwarding fixed for OSX, path for xauth changed to /usr/X11R6/bin/xauth + +- Channel code handles closing more nicely, doesn't sit waiting for an extra + keystroke on BSD/OSX platforms, and data is flushed fully before closing + child processes (thanks to + Cristian Ionescu-Idbohrn <cristian.ionescu-idbohrn at axis.com> for + pointing that out). + +- Changed "DISABLE_TCPFWD" to "ENABLE_TCPFWD" (and for x11/auth) so + "disable DISABLE_TCPWD" isn't so confusing. + +- Fix authorized_keys handling (don't crash on too-long keys, and + use fgetc not getc to avoid strange macro-related issues), thanks to + Cristian Ionescu-Idbohrn <cristian.ionescu-idbohrn at axis.com> + and Steve Rodgers <hwstar at cox.net> for reporting and testing. + +- Fixes to the README with regard to uClibc systems, thanks to + Cristian Ionescu-Idbohrn <cristian.ionescu-idbohrn at axis.com>, + as well as general improvements to documentation (split README/INSTALL) + +- Fixed up some compilation problems with dropbearconvert/dropbearkey if + DSS or RSA were disabled, reported by Patrik Karlsson <patrik at cqure.net> + +- Fix double-free bug for hostkeys, reported by + Vincent Sanders <vince at kyllikki.org> + +- Fix up missing \ns from dropbearconvert help message, + thanks to Mordy Ovits <movits at bloomberg.com> for the patch + +0.36 - Tue August 19 2003 12:16:23 +0800 + +- Fix uninitialised temporary variable in DSS signing code + (thanks to Matthew Franz <mdfranz at io.com> for reporting, and the authors + of Valgrind for making it easy to track down) +- Fix remote version-string parsing error + (thanks to Bernard Blackham <bernard at blackham.com.au> for noticing) +- Improved host-algorithm-matching algorithm in algo.c +- Decreased MAX_STRING_LEN to a more realistic value +- Fix incorrect version (0.34) in this CHANGES file for the previous release. + +0.35 - Sun August 17 2003 05:37:47 +0800 + +- Fix for remotely exploitable format string buffer overflow. + (thanks to Joel Eriksson <je at bitnux.com>) + +0.34 - Fri August 15 2003 15:10:00 +0800 + +- Made syslog optional, both at compile time and as a compile option + (suggested by Laurent Bercot <ska at skarnet.org>) +- Fixup for bad base64 parsing in authorized_keys + (noticed by Davyd Madeley <davyd at zdlcomputing.com>) +- Added initial tcp forwarding code, only -L (local) at this stage +- Improved "make install" with DESTDIR and changing ownership seperately, + don't check for setpgrp on Linux for crosscompiling. + (from Erik Andersen <andersen at codepoet.org>) +- More commenting, fix minor compile warnings, make return values more + consistent etc +- Various signedness fixes +- Can listen on multiple ports +- added option to disable openpty with configure script, + (from K.-P. Kirchdörfer <kapeka at epost.de>) +- Various cleanups to bignum code + (thanks to Tom St Denis <tomstdenis at iahu.ca>) +- Fix compile error when disabling RSA + (from Marc Kleine-Budde <kleine-budde at gmx.de>) +- Other cleanups, splitting large functions for packet and kex handling etc + +0.33 - Sun June 22 2003 22:24:12 +0800 + +- Fixed some invalid assertions in the channel code, fixing the server dying + when forwarding X11 connections. +- Add dropbearconvert to convert to/from OpenSSH host keys and Dropbear keys +- RSA keys now keep p and q parameters for compatibility -- old Dropbear keys + still work, but can't be converted to OpenSSH etc. +- Debian packaging directory added, thanks to + Grahame (grahame at angrygoats.net) +- 'install' target added to the makefile +- general tidying, improve consistency of functions etc +- If RSA or DSS hostkeys don't exist, that algorithm won't be used. +- Improved RSA and DSS key generation, more efficient and fixed some minor bugs + (thanks to Tom St Denis for the advice) +- Merged new versions of LibTomCrypt (0.86) and LibTomMath (0.21) + +0.32 - Sat May 24 2003 12:44:11 +0800 + +- Don't compile unused code from libtomcrypt (test vectors etc) +- Updated to libtommath 0.17 and libtomcrypt 0.83. New libtommath results + in smaller binary size, due to not linking unrequired code +- X11 forwarding added +- Agent forwarding added (for OpenSSH.com ssh client/agent) +- Fix incorrect buffer freeing when banners are used +- Hostname resolution works +- Various minor bugfixes/code size improvements etc + +0.31 - Fri May 9 2003 17:57:16 +0800 + +- Improved syslog messages - IP logging etc +- Strip control characters from log messages (specified username currently) +- Login recording (utmp/wtmp) support, so last/w/who work - taken from OpenSSH +- Shell is started as a proper login shell, so /etc/profile etc is sourced +- Ptys work on Solaris (2.8 x86 tested) now +- Fixed bug in specifying the rsa hostkey +- Fixed bug in compression code, could trigger if compression resulted in + larger output than input (uncommon but possible). + +0.30 - Thu Apr 17 2003 18:46:15 +0800 + +- SECURITY: buffer.c had bad checking for buffer increment length - fixed +- channel code now closes properly on EOF - scp processes don't hang around +- syslog support added - improved auth/login/failure messages +- general code tidying, made return codes more consistent +- Makefile fixed for dependencies and makes libtomcrypt as well +- Implemented sending SSH_MSG_UNIMPLEMENTED :) + +0.29 - Wed Apr 9 2003 + +- Fixed a stupid bug in 0.28 release, 'newstr = strdup(oldstr)', + not 'newstr=oldstr' + +0.28 - Sun Apr 6 2003 + +- Initial public release + +Development was started in October 2002 |