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76 lines
2.4 KiB
Diff
76 lines
2.4 KiB
Diff
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From: =?utf-8?q?Guido_G=C3=BCnther?= <agx@sigxcpu.org>
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Date: Wed, 20 Sep 2017 20:01:34 +0200
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Subject: CVE-2017-12150
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These are the three upstream patches
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From: Stefan Metzmacher <metze@samba.org>
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Subject: CVE-2017-12150: s3:lib: get_cmdline_auth_info_signing_state use Required for smb_encrypt
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This is an addition to the fixes for CVE-2015-5296.
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It applies to smb2mount -e, smbcacls -e and smbcquotas -e.
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BUG: https://bugzilla.samba.org/show_bug.cgi?id=12997
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From: Stefan Metzmacher <metze@samba.org>
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Subject: CVE-2017-12150: libgpo: make use of Required for SMB signing in gpo_connect_server()
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It's important that we use a signed connection to get the GPOs!
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BUG: https://bugzilla.samba.org/show_bug.cgi?id=12997
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Signed-off-by: Stefan Metzmacher <metze@samba.org>
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Backported-by: Andreas Schneider <asn@samba.org>
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From: Stefan Metzmacher <metze@samba.org>
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Subject: CVE-2017-12150: s3:libsmb: only fallback to anonymous if authentication was not requested
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With forced encryption or required signing we should also don't fallback.
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BUG: https://bugzilla.samba.org/show_bug.cgi?id=12997
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---
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libgpo/gpo_fetch.c | 2 +-
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source3/lib/util_cmdline.c | 3 +++
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source3/libsmb/clidfs.c | 2 ++
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3 files changed, 6 insertions(+), 1 deletion(-)
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--- a/libgpo/gpo_fetch.c
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+++ b/libgpo/gpo_fetch.c
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@@ -151,7 +151,7 @@ static NTSTATUS gpo_connect_server(ADS_S
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ads->auth.password,
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CLI_FULL_CONNECTION_USE_KERBEROS |
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CLI_FULL_CONNECTION_FALLBACK_AFTER_KERBEROS,
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- Undefined);
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+ Required);
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if (!NT_STATUS_IS_OK(result)) {
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DEBUG(10,("check_refresh_gpo: "
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"failed to connect: %s\n",
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--- a/source3/lib/util_cmdline.c
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+++ b/source3/lib/util_cmdline.c
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@@ -122,6 +122,9 @@ bool set_cmdline_auth_info_signing_state
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int get_cmdline_auth_info_signing_state(const struct user_auth_info *auth_info)
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{
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+ if (auth_info->smb_encrypt) {
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+ return Required;
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+ }
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return auth_info->signing_state;
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}
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--- a/source3/libsmb/clidfs.c
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+++ b/source3/libsmb/clidfs.c
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@@ -202,7 +202,9 @@ static struct cli_state *do_connect(TALL
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/* If a password was not supplied then
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* try again with a null username. */
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if (password[0] || !username[0] ||
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+ force_encrypt || client_is_signing_mandatory(c) ||
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get_cmdline_auth_info_use_kerberos(auth_info) ||
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+ get_cmdline_auth_info_use_ccache(auth_info) ||
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!NT_STATUS_IS_OK(cli_session_setup(c, "",
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"", 0,
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"", 0,
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