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1c414c565b
scan.c in x11vnc 0.9.16 uses IPC_CREAT|0777 in shmget calls, which allows access by actors other than the current user. Fixes: CVE-2020-29074
58 lines
1.7 KiB
Nix
58 lines
1.7 KiB
Nix
{ stdenv, fetchFromGitHub, fetchpatch,
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openssl, zlib, libjpeg, xorg, coreutils, libvncserver,
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autoreconfHook, pkgconfig }:
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stdenv.mkDerivation rec {
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pname = "x11vnc";
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version = "0.9.16";
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src = fetchFromGitHub {
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owner = "LibVNC";
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repo = "x11vnc";
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rev = version;
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sha256 = "1g652mmi79pfq4p5p7spaswa164rpzjhc5rn2phy5pm71lm0vib1";
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};
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patches = [
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(fetchpatch {
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name = "CVE-2020-29074.patch";
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url = "https://github.com/LibVNC/x11vnc/commit/69eeb9f7baa14ca03b16c9de821f9876def7a36a.patch";
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sha256 = "0hdhp32g2i5m0ihmaxkxhsn3d5f2qasadvwpgxify4xnzabmyb2d";
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})
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];
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nativeBuildInputs = [ autoreconfHook pkgconfig ];
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buildInputs =
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[ xorg.libXfixes xorg.xorgproto openssl xorg.libXdamage
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zlib xorg.libX11 libjpeg
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xorg.libXtst xorg.libXinerama xorg.libXrandr
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xorg.libXext
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xorg.libXi xorg.libXrender
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libvncserver
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];
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postPatch = ''
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substituteInPlace src/unixpw.c \
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--replace '"/bin/su"' '"/run/wrappers/bin/su"' \
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--replace '"/bin/true"' '"${coreutils}/bin/true"'
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sed -i -e '/#!\/bin\/sh/a"PATH=${xorg.xdpyinfo}\/bin:${xorg.xauth}\/bin:$PATH\\n"' -e 's|/bin/su|/run/wrappers/bin/su|g' src/ssltools.h
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# Xdummy script is currently broken, so we avoid building it. This removes everything Xdummy-related from the affected Makefile
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sed -i -e '/^\tXdummy.c\ \\$/,$d' -e 's/\tx11vnc_loop\ \\/\tx11vnc_loop/' misc/Makefile.am
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'';
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preConfigure = ''
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configureFlags="--mandir=$out/share/man"
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'';
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meta = with stdenv.lib; {
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description = "A VNC server connected to a real X11 screen";
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homepage = "https://github.com/LibVNC/x11vnc/";
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platforms = platforms.linux;
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license = licenses.gpl2;
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maintainers = with maintainers; [ OPNA2608 ];
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};
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}
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