commit:     eca676636078bad3c537dae10681c74d5cddcba7
Author:     Alexander Tsoy <alexander <AT> tsoy <DOT> me>
AuthorDate: Wed Oct 28 01:05:23 2015 +0000
Commit:     Michał Górny <mgorny <AT> gentoo <DOT> org>
CommitDate: Wed Oct 28 02:12:51 2015 +0000
URL:        https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=eca67663

media-libs/libwmf: revbump with security fixes

Fixed security issues:

CVE-2015-0848: heap overflow when decoding BMP images
CVE-2015-4695: heap buffer overread in meta.h
CVE-2015-4696: use-after-free flaw in meta.h
CVE-2015-4588: heap overflow within the RLE decoding of embedded
               BMP images

Gentoo-Bug: 553818

 ...ibwmf-0.2.8.4-CVE-2015-0848+CVE-2015-4588.patch | 118 +++++++++++++++++++++
 .../files/libwmf-0.2.8.4-CVE-2015-4695.patch       |  56 ++++++++++
 .../files/libwmf-0.2.8.4-CVE-2015-4696.patch       |  23 ++++
 media-libs/libwmf/libwmf-0.2.8.4-r6.ebuild         | 113 ++++++++++++++++++++
 4 files changed, 310 insertions(+)

diff --git 
a/media-libs/libwmf/files/libwmf-0.2.8.4-CVE-2015-0848+CVE-2015-4588.patch 
b/media-libs/libwmf/files/libwmf-0.2.8.4-CVE-2015-0848+CVE-2015-4588.patch
new file mode 100644
index 0000000..e8ba8db
--- /dev/null
+++ b/media-libs/libwmf/files/libwmf-0.2.8.4-CVE-2015-0848+CVE-2015-4588.patch
@@ -0,0 +1,118 @@
+--- libwmf-0.2.8.4/src/ipa/ipa/bmp.h   2015-06-08 14:46:24.591876404 +0100
++++ libwmf-0.2.8.4/src/ipa/ipa/bmp.h   2015-06-08 14:46:35.345993247 +0100
+@@ -859,7 +859,7 @@
+ %
+ %
+ */
+-static void DecodeImage (wmfAPI* API,wmfBMP* bmp,BMPSource* src,unsigned int 
compression,unsigned char* pixels)
++static int DecodeImage (wmfAPI* API,wmfBMP* bmp,BMPSource* src,unsigned int 
compression,unsigned char* pixels)
+ {     int byte;
+       int count;
+       int i;
+@@ -870,12 +870,14 @@
+       U32 u;
+ 
+       unsigned char* q;
++      unsigned char* end;
+ 
+       for (u = 0; u < ((U32) bmp->width * (U32) bmp->height); u++) pixels[u] 
= 0;
+ 
+       byte = 0;
+       x = 0;
+       q = pixels;
++      end = pixels + bmp->width * bmp->height;
+ 
+       for (y = 0; y < bmp->height; )
+       {       count = ReadBlobByte (src);
+@@ -884,7 +886,10 @@
+               {       /* Encoded mode. */
+                       byte = ReadBlobByte (src);
+                       for (i = 0; i < count; i++)
+-                      {       if (compression == 1)
++                      {       
++                              if (q == end)
++                                      return 0;
++                              if (compression == 1)
+                               {       (*(q++)) = (unsigned char) byte;
+                               }
+                               else
+@@ -896,13 +901,15 @@
+               else
+               {       /* Escape mode. */
+                       count = ReadBlobByte (src);
+-                      if (count == 0x01) return;
++                      if (count == 0x01) return 1;
+                       switch (count)
+                       {
+                       case 0x00:
+                        {      /* End of line. */
+                               x = 0;
+                               y++;
++                              if (y >= bmp->height)
++                                      return 0;
+                               q = pixels + y * bmp->width;
+                               break;
+                        }
+@@ -910,13 +917,20 @@
+                        {      /* Delta mode. */
+                               x += ReadBlobByte (src);
+                               y += ReadBlobByte (src);
++                              if (y >= bmp->height)
++                                      return 0;
++                              if (x >= bmp->width)
++                                      return 0;
+                               q = pixels + y * bmp->width + x;
+                               break;
+                        }
+                       default:
+                        {      /* Absolute mode. */
+                               for (i = 0; i < count; i++)
+-                              {       if (compression == 1)
++                              {
++                                      if (q == end)
++                                              return 0;
++                                      if (compression == 1)
+                                       {       (*(q++)) = ReadBlobByte (src);
+                                       }
+                                       else
+@@ -943,7 +957,7 @@
+       byte = ReadBlobByte (src);  /* end of line */
+       byte = ReadBlobByte (src);
+ 
+-      return;
++      return 1;
+ }
+ 
+ /*
+@@ -1143,8 +1157,18 @@
+               }
+       }
+       else
+-      {       /* Convert run-length encoded raster pixels. */
+-              DecodeImage (API,bmp,src,(unsigned int) 
bmp_info.compression,data->image);
++      {
++              if (bmp_info.bits_per_pixel == 8)       /* Convert run-length 
encoded raster pixels. */
++              {
++                      if (!DecodeImage (API,bmp,src,(unsigned int) 
bmp_info.compression,data->image))
++                      {       WMF_ERROR (API,"corrupt bmp");
++                              API->err = wmf_E_BadFormat;
++                      }
++              }
++              else
++              {       WMF_ERROR (API,"Unexpected pixel depth");
++                      API->err = wmf_E_BadFormat;
++              }
+       }
+ 
+       if (ERR (API))
+--- libwmf-0.2.8.4/src/ipa/ipa.h       2015-06-08 14:46:24.590876393 +0100
++++ libwmf-0.2.8.4/src/ipa/ipa.h       2015-06-08 14:46:35.345993247 +0100
+@@ -48,7 +48,7 @@
+ static unsigned short ReadBlobLSBShort (BMPSource*);
+ static unsigned long  ReadBlobLSBLong (BMPSource*);
+ static long           TellBlob (BMPSource*);
+-static void           DecodeImage (wmfAPI*,wmfBMP*,BMPSource*,unsigned 
int,unsigned char*);
++static int            DecodeImage (wmfAPI*,wmfBMP*,BMPSource*,unsigned 
int,unsigned char*);
+ static void           ReadBMPImage (wmfAPI*,wmfBMP*,BMPSource*);
+ static int            ExtractColor (wmfAPI*,wmfBMP*,wmfRGB*,unsigned 
int,unsigned int);
+ static void           SetColor (wmfAPI*,wmfBMP*,wmfRGB*,unsigned 
char,unsigned int,unsigned int);

diff --git a/media-libs/libwmf/files/libwmf-0.2.8.4-CVE-2015-4695.patch 
b/media-libs/libwmf/files/libwmf-0.2.8.4-CVE-2015-4695.patch
new file mode 100644
index 0000000..b6d499d
--- /dev/null
+++ b/media-libs/libwmf/files/libwmf-0.2.8.4-CVE-2015-4695.patch
@@ -0,0 +1,56 @@
+--- libwmf-0.2.8.4/src/player/meta.h
++++ libwmf-0.2.8.4/src/player/meta.h
+@@ -1565,7 +1565,7 @@ static int meta_rgn_create (wmfAPI* API,
+       objects = P->objects;
+ 
+       i = 0;
+-      while (objects[i].type && (i < NUM_OBJECTS (API))) i++;
++      while ((i < NUM_OBJECTS (API)) && objects[i].type) i++;
+ 
+       if (i == NUM_OBJECTS (API))
+       {       WMF_ERROR (API,"Object out of range!");
+@@ -2142,7 +2142,7 @@ static int meta_dib_brush (wmfAPI* API,w
+       objects = P->objects;
+ 
+       i = 0;
+-      while (objects[i].type && (i < NUM_OBJECTS (API))) i++;
++      while ((i < NUM_OBJECTS (API)) && objects[i].type) i++;
+ 
+       if (i == NUM_OBJECTS (API))
+       {       WMF_ERROR (API,"Object out of range!");
+@@ -3067,7 +3067,7 @@ static int meta_pen_create (wmfAPI* API,
+       objects = P->objects;
+ 
+       i = 0;
+-      while (objects[i].type && (i < NUM_OBJECTS (API))) i++;
++      while ((i < NUM_OBJECTS (API)) && objects[i].type) i++;
+ 
+       if (i == NUM_OBJECTS (API))
+       {       WMF_ERROR (API,"Object out of range!");
+@@ -3181,7 +3181,7 @@ static int meta_brush_create (wmfAPI* AP
+       objects = P->objects;
+ 
+       i = 0;
+-      while (objects[i].type && (i < NUM_OBJECTS (API))) i++;
++      while ((i < NUM_OBJECTS (API)) && objects[i].type) i++;
+ 
+       if (i == NUM_OBJECTS (API))
+       {       WMF_ERROR (API,"Object out of range!");
+@@ -3288,7 +3288,7 @@ static int meta_font_create (wmfAPI* API
+       objects = P->objects;
+ 
+       i = 0;
+-      while (objects[i].type && (i < NUM_OBJECTS (API))) i++;
++      while ((i < NUM_OBJECTS (API)) && objects[i].type) i++;
+ 
+       if (i == NUM_OBJECTS (API))
+       {       WMF_ERROR (API,"Object out of range!");
+@@ -3396,7 +3396,7 @@ static int meta_palette_create (wmfAPI*
+       objects = P->objects;
+ 
+       i = 0;
+-      while (objects[i].type && (i < NUM_OBJECTS (API))) i++;
++      while ((i < NUM_OBJECTS (API)) && objects[i].type) i++;
+ 
+       if (i == NUM_OBJECTS (API))
+       {       WMF_ERROR (API,"Object out of range!");

diff --git a/media-libs/libwmf/files/libwmf-0.2.8.4-CVE-2015-4696.patch 
b/media-libs/libwmf/files/libwmf-0.2.8.4-CVE-2015-4696.patch
new file mode 100644
index 0000000..3312841
--- /dev/null
+++ b/media-libs/libwmf/files/libwmf-0.2.8.4-CVE-2015-4696.patch
@@ -0,0 +1,23 @@
+--- libwmf-0.2.8.4/src/player/meta.h
++++ libwmf-0.2.8.4/src/player/meta.h
+@@ -2585,6 +2585,8 @@
+                       polyrect.BR[i] = clip->rects[i].BR;
+               }
+ 
++              if (FR->region_clip) FR->region_clip (API,&polyrect);
++
+               wmf_free (API,polyrect.TL);
+               wmf_free (API,polyrect.BR);
+       }
+@@ -2593,9 +2595,10 @@
+               polyrect.BR = 0;
+ 
+               polyrect.count = 0;
++      
++              if (FR->region_clip) FR->region_clip (API,&polyrect);
+       }
+ 
+-      if (FR->region_clip) FR->region_clip (API,&polyrect);
+ 
+       return (changed);
+ }

diff --git a/media-libs/libwmf/libwmf-0.2.8.4-r6.ebuild 
b/media-libs/libwmf/libwmf-0.2.8.4-r6.ebuild
new file mode 100644
index 0000000..b304973
--- /dev/null
+++ b/media-libs/libwmf/libwmf-0.2.8.4-r6.ebuild
@@ -0,0 +1,113 @@
+# Copyright 1999-2015 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+# $Id$
+
+EAPI=5
+
+AUTOTOOLS_AUTORECONF=true
+
+inherit autotools-utils gnome2-utils
+
+#The configure script finds the 5.50 ghostscript Fontmap file while run.
+#This will probably work, especially since the real one (6.50) in this case
+#is empty. However beware in case there is any trouble
+
+DESCRIPTION="library for converting WMF files"
+HOMEPAGE="http://wvware.sourceforge.net/";
+SRC_URI="mirror://sourceforge/wvware/${P}.tar.gz"
+
+LICENSE="GPL-2"
+SLOT="0"
+KEYWORDS="~alpha ~amd64 ~arm ~hppa ~ia64 ~mips ~ppc ~ppc64 ~s390 ~sh ~sparc 
~x86 ~amd64-fbsd ~x86-fbsd ~amd64-linux ~x86-linux ~ppc-macos ~x64-macos 
~x86-macos ~x64-solaris"
+IUSE="X debug doc expat xml"
+
+RDEPEND="
+       app-text/ghostscript-gpl
+       media-fonts/urw-fonts
+       media-libs/freetype:2=
+       >=media-libs/libpng-1.4:0=
+       sys-libs/zlib
+       x11-libs/gdk-pixbuf:2[X?]
+       virtual/jpeg:0=
+       xml? (
+               expat? ( dev-libs/expat )
+               !expat? (  dev-libs/libxml2 )
+       )
+       X? ( x11-libs/libX11 )
+"
+DEPEND="${RDEPEND}
+       virtual/pkgconfig
+       X? (
+               x11-libs/libXt
+               x11-libs/libXpm
+       )"
+# plotutils are not really supported yet, so looks like that's it
+
+REQUIRED_USE="expat? ( xml )"
+
+DOCS=( README AUTHORS CREDITS ChangeLog NEWS TODO )
+
+PATCHES=(
+       "${FILESDIR}"/${P}-intoverflow.patch
+       "${FILESDIR}"/${P}-build.patch
+       "${FILESDIR}"/${P}-pngfix.patch
+       "${FILESDIR}"/${P}-libpng-1.5.patch
+       "${FILESDIR}"/${P}-use-system-fonts.patch
+       "${FILESDIR}"/${P}-gdk-pixbuf.patch
+       "${FILESDIR}"/${P}-CVE-2015-0848+CVE-2015-4588.patch
+       "${FILESDIR}"/${P}-CVE-2015-4695.patch
+       "${FILESDIR}"/${P}-CVE-2015-4696.patch
+       )
+
+AUTOTOOLS_PRUNE_LIBTOOL_FILES='modules'
+
+src_prepare() {
+       if ! use doc ; then
+               sed -e 's:doc::' -i Makefile.am || die
+       fi
+       sed -i 's/AM_CONFIG_HEADER/AC_CONFIG_HEADERS/g' configure.ac || die
+
+       autotools-utils_src_prepare
+}
+
+src_configure() {
+       local myeconfargs=()
+       # NOTE: The gd that is included is gd-2.0.0. Even with --with-sys-gd, 
that gd is built
+       # and included in libwmf. Since nothing in-tree seems to use 
media-libs/libwmf[gd],
+       # we're explicitly disabling gd use w.r.t. bug 268161
+       if use expat; then
+               myeconfargs+=( --without-libxml2 )
+       else
+               myeconfargs+=( $(use_with xml libxml2) )
+       fi
+
+       myeconfargs+=(
+               --disable-static
+               $(use_enable debug)
+               $(use_with X x)
+               $(use_with expat)
+               --disable-gd
+               --with-sys-gd
+               --with-gsfontdir="${EPREFIX}"/usr/share/ghostscript/fonts
+               --with-fontdir="${EPREFIX}"/usr/share/fonts/urw-fonts/
+               --with-docdir="${EPREFIX}"/usr/share/doc/${PF}
+               )
+       autotools-utils_src_configure
+}
+
+src_install() {
+       MAKEOPTS+=" -j1"
+       autotools-utils_src_install
+}
+
+pkg_preinst() {
+       gnome2_gdk_pixbuf_savelist
+}
+
+pkg_postinst() {
+       gnome2_gdk_pixbuf_update
+}
+
+pkg_postrm() {
+       gnome2_gdk_pixbuf_update
+}

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