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-rw-r--r--import-layers/yocto-poky/meta/recipes-multimedia/libtiff/files/CVE-2017-7596.patch308
1 files changed, 0 insertions, 308 deletions
diff --git a/import-layers/yocto-poky/meta/recipes-multimedia/libtiff/files/CVE-2017-7596.patch b/import-layers/yocto-poky/meta/recipes-multimedia/libtiff/files/CVE-2017-7596.patch
deleted file mode 100644
index 1945c3d316..0000000000
--- a/import-layers/yocto-poky/meta/recipes-multimedia/libtiff/files/CVE-2017-7596.patch
+++ /dev/null
@@ -1,308 +0,0 @@
-From 3144e57770c1e4d26520d8abee750f8ac8b75490 Mon Sep 17 00:00:00 2001
-From: erouault <erouault>
-Date: Wed, 11 Jan 2017 16:09:02 +0000
-Subject: [PATCH] * libtiff/tif_dir.c, tif_dirread.c, tif_dirwrite.c: implement
- various clampings of double to other data types to avoid undefined behaviour
- if the output range isn't big enough to hold the input value. Fixes
- http://bugzilla.maptools.org/show_bug.cgi?id=2643
- http://bugzilla.maptools.org/show_bug.cgi?id=2642
- http://bugzilla.maptools.org/show_bug.cgi?id=2646
- http://bugzilla.maptools.org/show_bug.cgi?id=2647
-
-Upstream-Status: Backport
-
-CVE: CVE-2017-7596
-Signed-off-by: Rajkumar Veer <rveer@mvista.com>
-
-Index: tiff-4.0.7/ChangeLog
-===================================================================
---- tiff-4.0.7.orig/ChangeLog 2017-04-25 15:53:40.294592812 +0530
-+++ tiff-4.0.7/ChangeLog 2017-04-25 16:02:03.238600641 +0530
-@@ -6,6 +6,16 @@
- Patch by Nicolás Peña.
- Fixes http://bugzilla.maptools.org/show_bug.cgi?id=2659
-
-+2017-01-11 Even Rouault <even.rouault at spatialys.com>
-+
-+ * libtiff/tif_dir.c, tif_dirread.c, tif_dirwrite.c: implement various clampings
-+ of double to other data types to avoid undefined behaviour if the output range
-+ isn't big enough to hold the input value.
-+ Fixes http://bugzilla.maptools.org/show_bug.cgi?id=2643
-+ http://bugzilla.maptools.org/show_bug.cgi?id=2642
-+ http://bugzilla.maptools.org/show_bug.cgi?id=2646
-+ http://bugzilla.maptools.org/show_bug.cgi?id=2647
-+
- 2017-01-11 Even Rouault <even.rouault at spatialys.com>
-
- * libtiff/tif_jpeg.c: avoid integer division by zero in
-Index: tiff-4.0.7/libtiff/tif_dir.c
-===================================================================
---- tiff-4.0.7.orig/libtiff/tif_dir.c 2016-10-30 04:33:18.856598072 +0530
-+++ tiff-4.0.7/libtiff/tif_dir.c 2017-04-25 16:02:03.238600641 +0530
-@@ -31,6 +31,7 @@
- * (and also some miscellaneous stuff)
- */
- #include "tiffiop.h"
-+#include <float.h>
-
- /*
- * These are used in the backwards compatibility code...
-@@ -154,6 +155,15 @@
- return (0);
- }
-
-+static float TIFFClampDoubleToFloat( double val )
-+{
-+ if( val > FLT_MAX )
-+ return FLT_MAX;
-+ if( val < -FLT_MAX )
-+ return -FLT_MAX;
-+ return (float)val;
-+}
-+
- static int
- _TIFFVSetField(TIFF* tif, uint32 tag, va_list ap)
- {
-@@ -312,13 +322,13 @@
- dblval = va_arg(ap, double);
- if( dblval < 0 )
- goto badvaluedouble;
-- td->td_xresolution = (float) dblval;
-+ td->td_xresolution = TIFFClampDoubleToFloat( dblval );
- break;
- case TIFFTAG_YRESOLUTION:
- dblval = va_arg(ap, double);
- if( dblval < 0 )
- goto badvaluedouble;
-- td->td_yresolution = (float) dblval;
-+ td->td_yresolution = TIFFClampDoubleToFloat( dblval );
- break;
- case TIFFTAG_PLANARCONFIG:
- v = (uint16) va_arg(ap, uint16_vap);
-@@ -327,10 +337,10 @@
- td->td_planarconfig = (uint16) v;
- break;
- case TIFFTAG_XPOSITION:
-- td->td_xposition = (float) va_arg(ap, double);
-+ td->td_xposition = TIFFClampDoubleToFloat( va_arg(ap, double) );
- break;
- case TIFFTAG_YPOSITION:
-- td->td_yposition = (float) va_arg(ap, double);
-+ td->td_yposition = TIFFClampDoubleToFloat( va_arg(ap, double) );
- break;
- case TIFFTAG_RESOLUTIONUNIT:
- v = (uint16) va_arg(ap, uint16_vap);
-Index: tiff-4.0.7/libtiff/tif_dirread.c
-===================================================================
---- tiff-4.0.7.orig/libtiff/tif_dirread.c 2017-04-25 15:53:40.134592810 +0530
-+++ tiff-4.0.7/libtiff/tif_dirread.c 2017-04-25 16:02:03.242600641 +0530
-@@ -40,6 +40,7 @@
- */
-
- #include "tiffiop.h"
-+#include <float.h>
-
- #define IGNORE 0 /* tag placeholder used below */
- #define FAILED_FII ((uint32) -1)
-@@ -2406,7 +2407,14 @@
- ma=(double*)origdata;
- mb=data;
- for (n=0; n<count; n++)
-- *mb++=(float)(*ma++);
-+ {
-+ double val = *ma++;
-+ if( val > FLT_MAX )
-+ val = FLT_MAX;
-+ else if( val < -FLT_MAX )
-+ val = -FLT_MAX;
-+ *mb++=(float)val;
-+ }
- }
- break;
- }
-Index: tiff-4.0.7/libtiff/tif_dirwrite.c
-===================================================================
---- tiff-4.0.7.orig/libtiff/tif_dirwrite.c 2016-10-30 04:33:18.876854501 +0530
-+++ tiff-4.0.7/libtiff/tif_dirwrite.c 2017-04-25 16:07:48.670606018 +0530
-@@ -30,6 +30,7 @@
- * Directory Write Support Routines.
- */
- #include "tiffiop.h"
-+#include <float.h>
-
- #ifdef HAVE_IEEEFP
- #define TIFFCvtNativeToIEEEFloat(tif, n, fp)
-@@ -939,6 +940,69 @@
- return(0);
- }
-
-+static float TIFFClampDoubleToFloat( double val )
-+{
-+ if( val > FLT_MAX )
-+ return FLT_MAX;
-+ if( val < -FLT_MAX )
-+ return -FLT_MAX;
-+ return (float)val;
-+}
-+
-+static int8 TIFFClampDoubleToInt8( double val )
-+{
-+ if( val > 127 )
-+ return 127;
-+ if( val < -128 || val != val )
-+ return -128;
-+ return (int8)val;
-+}
-+
-+static int16 TIFFClampDoubleToInt16( double val )
-+{
-+ if( val > 32767 )
-+ return 32767;
-+ if( val < -32768 || val != val )
-+ return -32768;
-+ return (int16)val;
-+}
-+
-+static int32 TIFFClampDoubleToInt32( double val )
-+{
-+ if( val > 0x7FFFFFFF )
-+ return 0x7FFFFFFF;
-+ if( val < -0x7FFFFFFF-1 || val != val )
-+ return -0x7FFFFFFF-1;
-+ return (int32)val;
-+}
-+
-+static uint8 TIFFClampDoubleToUInt8( double val )
-+{
-+ if( val < 0 )
-+ return 0;
-+ if( val > 255 || val != val )
-+ return 255;
-+ return (uint8)val;
-+}
-+
-+static uint16 TIFFClampDoubleToUInt16( double val )
-+{
-+ if( val < 0 )
-+ return 0;
-+ if( val > 65535 || val != val )
-+ return 65535;
-+ return (uint16)val;
-+}
-+
-+static uint32 TIFFClampDoubleToUInt32( double val )
-+{
-+ if( val < 0 )
-+ return 0;
-+ if( val > 0xFFFFFFFFU || val != val )
-+ return 0xFFFFFFFFU;
-+ return (uint32)val;
-+}
-+
- static int
- TIFFWriteDirectoryTagSampleformatArray(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, double* value)
- {
-@@ -959,7 +1023,7 @@
- if (tif->tif_dir.td_bitspersample<=32)
- {
- for (i = 0; i < count; ++i)
-- ((float*)conv)[i] = (float)value[i];
-+ ((float*)conv)[i] = TIFFClampDoubleToFloat(value[i]);
- ok = TIFFWriteDirectoryTagFloatArray(tif,ndir,dir,tag,count,(float*)conv);
- }
- else
-@@ -971,19 +1035,19 @@
- if (tif->tif_dir.td_bitspersample<=8)
- {
- for (i = 0; i < count; ++i)
-- ((int8*)conv)[i] = (int8)value[i];
-+ ((int8*)conv)[i] = TIFFClampDoubleToInt8(value[i]);
- ok = TIFFWriteDirectoryTagSbyteArray(tif,ndir,dir,tag,count,(int8*)conv);
- }
- else if (tif->tif_dir.td_bitspersample<=16)
- {
- for (i = 0; i < count; ++i)
-- ((int16*)conv)[i] = (int16)value[i];
-+ ((int16*)conv)[i] = TIFFClampDoubleToInt16(value[i]);
- ok = TIFFWriteDirectoryTagSshortArray(tif,ndir,dir,tag,count,(int16*)conv);
- }
- else
- {
- for (i = 0; i < count; ++i)
-- ((int32*)conv)[i] = (int32)value[i];
-+ ((int32*)conv)[i] = TIFFClampDoubleToInt32(value[i]);
- ok = TIFFWriteDirectoryTagSlongArray(tif,ndir,dir,tag,count,(int32*)conv);
- }
- break;
-@@ -991,19 +1055,19 @@
- if (tif->tif_dir.td_bitspersample<=8)
- {
- for (i = 0; i < count; ++i)
-- ((uint8*)conv)[i] = (uint8)value[i];
-+ ((uint8*)conv)[i] = TIFFClampDoubleToUInt8(value[i]);
- ok = TIFFWriteDirectoryTagByteArray(tif,ndir,dir,tag,count,(uint8*)conv);
- }
- else if (tif->tif_dir.td_bitspersample<=16)
- {
- for (i = 0; i < count; ++i)
-- ((uint16*)conv)[i] = (uint16)value[i];
-+ ((uint16*)conv)[i] = TIFFClampDoubleToUInt16(value[i]);
- ok = TIFFWriteDirectoryTagShortArray(tif,ndir,dir,tag,count,(uint16*)conv);
- }
- else
- {
- for (i = 0; i < count; ++i)
-- ((uint32*)conv)[i] = (uint32)value[i];
-+ ((uint32*)conv)[i] = TIFFClampDoubleToUInt32(value[i]);
- ok = TIFFWriteDirectoryTagLongArray(tif,ndir,dir,tag,count,(uint32*)conv);
- }
- break;
-@@ -2094,15 +2158,25 @@
- static int
- TIFFWriteDirectoryTagCheckedRational(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, double value)
- {
-+ static const char module[] = "TIFFWriteDirectoryTagCheckedRational";
- uint32 m[2];
-- assert(value>=0.0);
- assert(sizeof(uint32)==4);
-- if (value<=0.0)
-+ if (value<0)
-+ {
-+ TIFFErrorExt(tif->tif_clientdata,module,"Negative value is illegal");
-+ return 0;
-+ }
-+ else if( value != value )
-+ {
-+ TIFFErrorExt(tif->tif_clientdata,module,"Not-a-number value is illegal");
-+ return 0;
-+ }
-+ else if (value==0.0)
- {
- m[0]=0;
- m[1]=1;
-- }
-- else if (value==(double)(uint32)value)
-+ }
-+ else if (value <= 0xFFFFFFFFU && value==(double)(uint32)value)
- {
- m[0]=(uint32)value;
- m[1]=1;
-@@ -2143,7 +2217,7 @@
- }
- for (na=value, nb=m, nc=0; nc<count; na++, nb+=2, nc++)
- {
-- if (*na<=0.0)
-+ if (*na<=0.0 || *na != *na)
- {
- nb[0]=0;
- nb[1]=1;
-@@ -2153,7 +2227,8 @@
- nb[0]=(uint32)(*na);
- nb[1]=1;
- }
-- else if (*na<1.0)
-+ else if (*na >= 0 && *na <= (float)0xFFFFFFFFU &&
-+ *na==(float)(uint32)(*na))
- {
- nb[0]=(uint32)((double)(*na)*0xFFFFFFFF);
- nb[1]=0xFFFFFFFF;
generated by cgit v1.2.3 (git 2.39.0) at 2024-08-10 03:13:11 +0300