~ruther/guix-local

9ed548643918bb9415b16707f360f49fcab89627 — Mark H Weaver 10 years ago 075d99f
gnu: libwmf: Fix CVE-2006-3376, CVE-2009-1364, CVE-2015-{0848,4588,4695,4696}.

* gnu/packages/patches/libwmf-CVE-2006-3376.patch,
  gnu/packages/patches/libwmf-CVE-2009-1364.patch,
  gnu/packages/patches/libwmf-CVE-2015-0848+4588+4695+4696.patch: New files.
* gnu-system.am (dist_patch_DATA): Add them.
* gnu/packages/image.scm (libwmf)[source]: Add patches.
M gnu-system.am => gnu-system.am +3 -0
@@ 518,6 518,9 @@ dist_patch_DATA =						\
  gnu/packages/patches/libvpx-fix-armhf-link.patch		\
  gnu/packages/patches/libvpx-fix-ssse3-quantize.patch		\
  gnu/packages/patches/libvpx-vp9-out-of-bounds-access.patch	\
  gnu/packages/patches/libwmf-CVE-2006-3376.patch		\
  gnu/packages/patches/libwmf-CVE-2009-1364.patch		\
  gnu/packages/patches/libwmf-CVE-2015-0848+4588+4695+4696.patch \
  gnu/packages/patches/lirc-localstatedir.patch			\
  gnu/packages/patches/lm-sensors-hwmon-attrs.patch		\
  gnu/packages/patches/lua51-liblua-so.patch                    \

M gnu/packages/image.scm => gnu/packages/image.scm +5 -1
@@ 162,7 162,11 @@ collection of tools for doing simple manipulations of TIFF images.")
                            name "/" version
                            "/" name "-" version ".tar.gz"))
        (sha256
          (base32 "1y3wba4q8pl7kr51212jwrsz1x6nslsx1gsjml1x0i8549lmqd2v"))))
         (base32 "1y3wba4q8pl7kr51212jwrsz1x6nslsx1gsjml1x0i8549lmqd2v"))
        (patches
         (map search-patch '("libwmf-CVE-2006-3376.patch"
                             "libwmf-CVE-2009-1364.patch"
                             "libwmf-CVE-2015-0848+4588+4695+4696.patch")))))

    (build-system gnu-build-system)
    (inputs

A gnu/packages/patches/libwmf-CVE-2006-3376.patch => gnu/packages/patches/libwmf-CVE-2006-3376.patch +30 -0
@@ 0,0 1,30 @@
Copied from Debian.

--- libwmf-0.2.8.4.orig/src/player.c
+++ libwmf-0.2.8.4/src/player.c
@@ -23,6 +23,7 @@
 
 #include <stdio.h>
 #include <stdlib.h>
+#include <stdint.h>
 #include <string.h>
 #include <math.h>
 
@@ -132,8 +133,14 @@
 		}
 	}
 
-/*	P->Parameters = (unsigned char*) wmf_malloc (API,(MAX_REC_SIZE(API)-3) * 2 * sizeof (unsigned char));
- */	P->Parameters = (unsigned char*) wmf_malloc (API,(MAX_REC_SIZE(API)  ) * 2 * sizeof (unsigned char));
+	if (MAX_REC_SIZE(API) > UINT32_MAX / 2)
+	{
+		API->err = wmf_E_InsMem;
+		WMF_DEBUG (API,"bailing...");
+		return (API->err);
+	}
+
+ 	P->Parameters = (unsigned char*) wmf_malloc (API,(MAX_REC_SIZE(API)  ) * 2 * sizeof (unsigned char));
 
 	if (ERR (API))
 	{	WMF_DEBUG (API,"bailing...");


A gnu/packages/patches/libwmf-CVE-2009-1364.patch => gnu/packages/patches/libwmf-CVE-2009-1364.patch +13 -0
@@ 0,0 1,13 @@
Copied from Debian.

--- libwmf-0.2.8.4.orig/src/extra/gd/gd_clip.c
+++ libwmf-0.2.8.4/src/extra/gd/gd_clip.c
@@ -70,6 +70,7 @@
 	{	more = gdRealloc (im->clip->list,(im->clip->max + 8) * sizeof (gdClipRectangle));
 		if (more == 0) return;
 		im->clip->max += 8;
+		im->clip->list = more;
 	}
 	im->clip->list[im->clip->count] = (*rect);
 	im->clip->count++;


A gnu/packages/patches/libwmf-CVE-2015-0848+4588+4695+4696.patch => gnu/packages/patches/libwmf-CVE-2015-0848+4588+4695+4696.patch +189 -0
@@ 0,0 1,189 @@
Fix CVE-2015-0848, CVE-2015-4588, CVE-2015-4695, and CVE-2015-4696.
Copied from Debian.

--- libwmf-0.2.8.4.orig/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!");
@@ -2593,9 +2593,10 @@ static int meta_dc_restore (wmfAPI* API,
 		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);
 }
@@ -3067,7 +3068,7 @@ 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 +3182,7 @@ 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 +3289,7 @@ 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 +3397,7 @@ 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!");
--- libwmf-0.2.8.4.orig/src/ipa/ipa.h
+++ libwmf-0.2.8.4/src/ipa/ipa.h
@@ -48,7 +48,7 @@ static int            ReadBlobByte (BMPS
 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);
--- libwmf-0.2.8.4.orig/src/ipa/ipa/bmp.h
+++ libwmf-0.2.8.4/src/ipa/ipa/bmp.h
@@ -859,7 +859,7 @@ static long TellBlob (BMPSource* src)
 %
 %
 */
-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 @@ static void DecodeImage (wmfAPI* API,wmf
 	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 @@ static void DecodeImage (wmfAPI* API,wmf
 		{	/* 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 @@ static void DecodeImage (wmfAPI* API,wmf
 		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 @@ static void DecodeImage (wmfAPI* API,wmf
 			 {	/* 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 @@ static void DecodeImage (wmfAPI* API,wmf
 	byte = ReadBlobByte (src);  /* end of line */
 	byte = ReadBlobByte (src);
 
-	return;
+	return 1;
 }
 
 /*
@@ -1143,8 +1157,18 @@ static void ReadBMPImage (wmfAPI* API,wm
 		}
 	}
 	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))