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comparison CHANGES @ 1557:61a793b6e471 fuzz

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merge from main
author Matt Johnston <matt@ucc.asn.au>
date Wed, 28 Feb 2018 21:28:59 +0800
parents e46f7f1da56a
children 2fd52c383163
comparison
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1546:bb8eaa26bc93 1557:61a793b6e471
1 Upcoming... 1 2018.76 - 27 February 2018
2 2
3 - IMPORTANT: 3 > > > Configuration/compatibility changes
4 IMPORTANT
4 Custom configuration is now specified in local_options.h rather than options.h 5 Custom configuration is now specified in local_options.h rather than options.h
5 Available options and defaults can be seen in default_options.h 6 Available options and defaults can be seen in default_options.h
6 7
7 To migrate your configuration, compare your customised options.h against the 8 To migrate your configuration, compare your customised options.h against the
8 upstream options.h from your relevant version. Any customised options should 9 upstream options.h from your relevant version. Any customised options should
9 be put in localoptions.h 10 be put in localoptions.h
10 11
11 - "configure --enable-static" should now be used instead of "make STATIC=1" 12 - "configure --enable-static" should now be used instead of "make STATIC=1"
12 13 This will avoid 'hardened build' flags that conflict with static binaries
13 - Add group14-256 and group16 key exchange options 14
14 15 - Set 'hardened build' flags by default if supported by the compiler.
15 - Set hardened build flags by default if supported by the compiler. 16 These can be disabled with configure --disable-harden if needed.
16 -Wl,-pie 17 -Wl,-pie
17 -Wl,-z,now -Wl,-z,relro 18 -Wl,-z,now -Wl,-z,relro
18 -fstack-protector-strong 19 -fstack-protector-strong
19 -D_FORTIFY_SOURCE=2 20 -D_FORTIFY_SOURCE=2
20 # spectre v2 mitigation 21 # spectre v2 mitigation
21 -mfunction-return=thunk 22 -mfunction-return=thunk
22 -mindirect-branch=thunk 23 -mindirect-branch=thunk
23 24
24 These can be disabled with configure --disable-harden if needed
25 Spectre patch from Loganaden Velvindron 25 Spectre patch from Loganaden Velvindron
26
27 - "dropbear -r" option for hostkeys no longer attempts to load the default
28 hostkey paths as well. If desired these can be specified manually.
29 Patch from CamVan Nguyen
30
31 - group1-sha1 key exchange is disabled in the server by default since
32 the fixed 1024-bit group may be susceptible to attacks
33
34 - twofish ciphers are now disabled in the default configuration
35
36 - Default generated ECDSA key size is now 256 (rather than 521)
37 for better interoperability
38
39 - Minimum RSA key length has been increased to 1024 bits
40
41 > > > Other features and fixes
26 42
27 - Add runtime -T max_auth_tries option from Kevin Darbyshire-Bryant 43 - Add runtime -T max_auth_tries option from Kevin Darbyshire-Bryant
28 44
29 - Add 'dbclient -J &fd' to allow dbclient to connect over an existing socket. 45 - Add 'dbclient -J &fd' to allow dbclient to connect over an existing socket.
30 See dbclient manpage for a socat example. Patch from Harald Becker 46 See dbclient manpage for a socat example. Patch from Harald Becker
31 47
32 - Add "-c forced_command" option. Patch from Jeremy Kerr 48 - Add "-c forced_command" option. Patch from Jeremy Kerr
33 49
50 - Restricted group -G option added with patch from stellarpower
51
34 - Support server-chosen TCP forwarding ports, patch from houseofkodai 52 - Support server-chosen TCP forwarding ports, patch from houseofkodai
35 53
36 - Allow choosing outgoing address for dbclient with -b [bind_address][:bind_port] 54 - Allow choosing outgoing address for dbclient with -b [bind_address][:bind_port]
37 Patch from houseofkodai 55 Patch from houseofkodai
38 56
57 - Makefile will now rebuild object files when header files are modified
58
59 - Add group14-256 and group16 key exchange options
60
61 - curve25519-sha256 also supported without @libssh.org suffix
62
39 - Update bundled libtomcrypt to 1.18.1, libtommath to 1.0.1 63 - Update bundled libtomcrypt to 1.18.1, libtommath to 1.0.1
40 64 This fixes building with some recent versions of clang
41 - Minimum RSA key length has been increased to 1024 bits
42 65
43 - Set PAM_RHOST which is needed by modules such as pam_abl 66 - Set PAM_RHOST which is needed by modules such as pam_abl
44 67
45 - Improvements to DSS public key validation, found by OSS-Fuzz. 68 - Improvements to DSS and RSA public key validation, found by OSS-Fuzz.
46 69
47 - Don't exit when an authorized_keys file has malformed entries. Found by OSS-Fuzz 70 - Don't exit when an authorized_keys file has malformed entries. Found by OSS-Fuzz
48 71
49 - Fix null-pointer crash with malformed ECDSA or DSS keys. Found by OSS-Fuzz 72 - Fix null-pointer crash with malformed ECDSA or DSS keys. Found by OSS-Fuzz
50 73