Browse code
openssh : Fix CVE-2017-15906.
Change-Id: Idad7cd8cb0e254add32e4c2225670b57a55db057
Reviewed-on: http://photon-jenkins.eng.vmware.com:8082/4411
Tested-by: gerrit-photon <photon-checkins@vmware.com>
Reviewed-by: Sharath George
xiaolin-vmware authored on 2017/12/01 04:06:34Showing 2 changed files
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new file mode 100644 |
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+From a6981567e8e215acc1ef690c8dbb30f2d9b00a19 Mon Sep 17 00:00:00 2001 |
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+From: djm <djm@openbsd.org> |
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+Date: Tue, 4 Apr 2017 00:24:56 +0000 |
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+Subject: [PATCH] disallow creation (of empty files) in read-only mode; |
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+ reported by Michal Zalewski, feedback & ok deraadt@ |
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+ |
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+--- |
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+ usr.bin/ssh/sftp-server.c | 6 +++--- |
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+ 1 file changed, 3 insertions(+), 3 deletions(-) |
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+ |
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+diff --git a/usr.bin/ssh/sftp-server.c b/usr.bin/ssh/sftp-server.c |
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+index 2510d234a3a..42249ebd60d 100644 |
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+--- a/usr.bin/ssh/sftp-server.c |
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+@@ -1,4 +1,4 @@ |
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+-/* $OpenBSD: sftp-server.c,v 1.110 2016/09/12 01:22:38 deraadt Exp $ */ |
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++/* $OpenBSD: sftp-server.c,v 1.111 2017/04/04 00:24:56 djm Exp $ */ |
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+ /* |
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+ * Copyright (c) 2000-2004 Markus Friedl. All rights reserved. |
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+ * |
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+@@ -683,8 +683,8 @@ process_open(u_int32_t id) |
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+ logit("open \"%s\" flags %s mode 0%o",
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+ name, string_from_portable(pflags), mode); |
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+ if (readonly && |
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+- ((flags & O_ACCMODE) == O_WRONLY || |
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+- (flags & O_ACCMODE) == O_RDWR)) {
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++ ((flags & O_ACCMODE) != O_RDONLY || |
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++ (flags & (O_CREAT|O_TRUNC)) != 0)) {
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+ verbose("Refusing open request in read-only mode");
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+ status = SSH2_FX_PERMISSION_DENIED; |
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+ } else {
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@@ -1,7 +1,7 @@ |
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Summary: Free version of the SSH connectivity tools |
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Name: openssh |
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Version: 7.5p1 |
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-Release: 9%{?dist}
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+Release: 10%{?dist}
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License: BSD |
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URL: https://www.openssh.com/ |
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Group: System Environment/Security |
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@@ -16,6 +16,7 @@ Source3: sshd-keygen.service |
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Patch0: blfs_systemd_fixes.patch |
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Patch1: openssh-7.5p1-fips.patch |
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Patch2: openssh-7.5p1-configure-fips.patch |
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+Patch3: openssh-CVE-2017-15906.patch |
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BuildRequires: openssl-devel |
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BuildRequires: Linux-PAM-devel |
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BuildRequires: krb5-devel |
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@@ -51,6 +52,7 @@ tar xf %{SOURCE1} --no-same-owner
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%patch0 -p0 |
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%patch1 -p1 |
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%patch2 -p1 |
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+%patch3 -p3 |
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%build |
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./configure \ |
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CFLAGS="%{optflags}" \
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@@ -178,6 +180,8 @@ rm -rf %{buildroot}/*
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%{_mandir}/man8/ssh-pkcs11-helper.8.gz
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%changelog |
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+* Tue Nov 28 2017 Xiaolin Li <xiaolinl@vmware.comm> 7.5p1-10 |
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+- Fix CVE-2017-15906. |
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* Tue Nov 14 2017 Anish Swaminathan <anishs@vmware.com> 7.5p1-9 |
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- Add ciphers aes128-gcm, aes256-gcm and kex dh14/16/18 in fips mode |
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* Tue Oct 10 2017 Alexey Makhalov <amakhalov@vmware.com> 7.5p1-8 |