Dirk Mueller
a8bd6c1553
bsc#1204112, CVE-2022-42011,
bsc#1204113, CVE-2022-42012):
This is a security update for the dbus 1.14.x stable branch, fixing
denial-of-service issues (CVE-2022-42010, -42011, -42012) and applying
security hardening (dbus#416).
Behaviour changes:
* On Linux, dbus-daemon and other uses of DBusServer now create a
path-based Unix socket, unix:path=..., when asked to listen on a
unix:tmpdir=... address. This makes unix:tmpdir=... equivalent to
unix:dir=... on all platforms.
Previous versions would have created an abstract socket, unix:abstract=...,
in this situation.
This change primarily affects the well-known session bus when run via
dbus-launch(1) or dbus-run-session(1). The user bus, enabled by configuring
dbus with --enable-user-session and running it on a systemd system,
already used path-based Unix sockets and is unaffected by this change.
This behaviour change prevents a sandbox escape via the session bus socket
in sandboxing frameworks that can share the network namespace with the host
system, such as Flatpak.
This change might cause a regression in situations where the abstract socket
is intentionally shared between the host system and a chroot or container,
such as some use-cases of schroot(1). That regression can be resolved by
using a bind-mount to share either the D-Bus socket, or the whole /tmp
directory, with the chroot or container.
(dbus#416, Simon McVittie)
* Denial of service fixes:
- Evgeny Vereshchagin discovered several ways in which an authenticated
local attacker could cause a crash (denial of service) in
dbus-daemon --system or a custom DBusServer. In uncommon configurations
OBS-URL: https://build.opensuse.org/package/show/Base:System/dbus-1?expand=0&rev=326
126 lines
4.1 KiB
RPMSpec
126 lines
4.1 KiB
RPMSpec
#
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# spec file for package dbus-1-x11
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#
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# Copyright (c) 2022 SUSE LLC
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#
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# All modifications and additions to the file contributed by third parties
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# remain the property of their copyright owners, unless otherwise agreed
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# upon. The license for this file, and modifications and additions to the
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# file, is the same license as for the pristine package itself (unless the
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# license for the pristine package is not an Open Source License, in which
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# case the license is the MIT License). An "Open Source License" is a
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# license that conforms to the Open Source Definition (Version 1.9)
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# published by the Open Source Initiative.
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# Please submit bugfixes or comments via https://bugs.opensuse.org/
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#
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%define _name dbus
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%define _libname libdbus-1-3
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%if 0%{?suse_version} <= 1320
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%define _userunitdir %{_prefix}/lib/systemd/user
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%endif
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%bcond_without selinux
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Name: dbus-1-x11
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Version: 1.14.4
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Release: 0
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Summary: D-Bus Message Bus System
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License: AFL-2.1 OR GPL-2.0-or-later
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URL: https://dbus.freedesktop.org/
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Source0: https://dbus.freedesktop.org/releases/dbus/%{_name}-%{version}.tar.xz
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Source1: https://dbus.freedesktop.org/releases/dbus/%{_name}-%{version}.tar.xz.asc
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Source2: dbus-1.keyring
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Source3: baselibs.conf
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Source4: dbus-1.desktop
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# PATCH-FEATURE-OPENSUSE feature-suse-log-deny.patch
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Patch0: feature-suse-log-deny.patch
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# PATCH-FIX-OPENSUSE coolo@suse.de -- force a feature configure won't accept without x11 in buildrequires
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Patch1: feature-suse-do-autolaunch.patch
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# PATCH-FEATURE-OPENSUSE sflees@suse.de, users shouldn't be allowed to start / stop the dbus service.
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Patch2: feature-suse-refuse-manual-start-stop.patch
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BuildRequires: alts
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BuildRequires: autoconf-archive
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BuildRequires: libcap-ng-devel
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BuildRequires: libexpat-devel >= 2.1.0
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BuildRequires: libtool
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BuildRequires: pkgconfig
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BuildRequires: pkgconfig(libsystemd) >= 209
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BuildRequires: pkgconfig(x11)
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Requires: alts
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Supplements: (dbus-1 and libX11-6)
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Provides: dbus-launch
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%if %{with selinux}
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BuildRequires: libselinux-devel
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%endif
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%description
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D-Bus contains some tools that require Xlib to be installed, those are
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in this separate package so server systems need not install X.
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%prep
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%setup -q -n %{_name}-%{version}
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%autopatch -p1
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%build
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echo 'HTML_TIMESTAMP=NO' >> Doxyfile.in
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# We use -fpie/-pie for the whole build; this is the recommended way to harden
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# the build upstream, see discussion in fdo#46570
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export CFLAGS="%{optflags} -fno-strict-aliasing -fPIC -fpie"
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export LDFLAGS="-pie"
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export CXXFLAGS="%{optflags} -fno-strict-aliasing"
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export V=1
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# --with-x=auto is a workaround until https://gitlab.freedesktop.org/dbus/dbus/-/merge_requests/263
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# is included (1.14.1+)
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%configure \
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--disable-static \
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--disable-asserts \
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--runstatedir=%{_rundir} \
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--libexecdir=%{_libexecdir}/dbus-1 \
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--enable-inotify \
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--disable-doxygen-docs \
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%if %{with selinux}
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--enable-selinux \
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%endif
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--enable-systemd \
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--enable-user-session \
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--enable-libaudit \
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--with-console-auth-dir=/run/dbus/at_console/ \
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--with-system-pid-file=/run/dbus/pid \
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--with-system-socket=/run/dbus/system_bus_socket \
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--with-systemdsystemunitdir=%{_unitdir} \
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--with-systemduserunitdir=%{_userunitdir} \
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--with-x=auto
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%make_build
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%install
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tdir=$(mktemp -d)
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make DESTDIR=$tdir install
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mkdir -p %{buildroot}/%{_bindir}
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mv $tdir/%{_bindir}/dbus-launch %{buildroot}/%{_bindir}/dbus-launch.x11
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# create entries for libalternatives
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ln -sf %{_bindir}/alts %{buildroot}%{_bindir}/dbus-launch
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mkdir -p %{buildroot}%{_datadir}/libalternatives/dbus-launch
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cat > %{buildroot}%{_datadir}/libalternatives/dbus-launch/20.conf <<EOF
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binary=%{_bindir}/dbus-launch.x11
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group=dbus-launch
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EOF
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%pre
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# removing old update-alternatives entries
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if [ "$1" -gt 0 ] && [ -f %{_sbindir}/update-alternatives ] ; then
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%{_sbindir}/update-alternatives --remove dbus-launch %{_bindir}/dbus-launch.x11
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fi
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%files
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%dir %{_datadir}/libalternatives
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%dir %{_datadir}/libalternatives/dbus-launch
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%{_datadir}/libalternatives/dbus-launch/20.conf
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%{_bindir}/dbus-launch
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%{_bindir}/dbus-launch.x11
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%changelog
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