File tiff-CVE-2022-2056,CVE-2022-2057,CVE-2022-2058.patch of Package tiff
Index: tiff-4.4.0/libtiff/tif_aux.c
===================================================================
--- tiff-4.4.0.orig/libtiff/tif_aux.c
+++ tiff-4.4.0/libtiff/tif_aux.c
@@ -402,6 +402,15 @@ float _TIFFClampDoubleToFloat( double va
return (float)val;
}
+uint32_t _TIFFClampDoubleToUInt32(double val)
+{
+ if( val < 0 )
+ return 0;
+ if( val > 0xFFFFFFFFU || val != val )
+ return 0xFFFFFFFFU;
+ return (uint32_t)val;
+}
+
int _TIFFSeekOK(TIFF* tif, toff_t off)
{
/* Huge offsets, especially -1 / UINT64_MAX, can cause issues */
Index: tiff-4.4.0/libtiff/tiffiop.h
===================================================================
--- tiff-4.4.0.orig/libtiff/tiffiop.h
+++ tiff-4.4.0/libtiff/tiffiop.h
@@ -365,6 +365,7 @@ extern double _TIFFUInt64ToDouble(uint64
extern float _TIFFUInt64ToFloat(uint64_t);
extern float _TIFFClampDoubleToFloat(double);
+extern uint32_t _TIFFClampDoubleToUInt32(double);
extern tmsize_t
_TIFFReadEncodedStripAndAllocBuffer(TIFF* tif, uint32_t strip,
Index: tiff-4.4.0/tools/tiffcrop.c
===================================================================
--- tiff-4.4.0.orig/tools/tiffcrop.c
+++ tiff-4.4.0/tools/tiffcrop.c
@@ -5268,17 +5268,17 @@ computeInputPixelOffsets(struct crop_mas
{
if ((crop->res_unit == RESUNIT_INCH) || (crop->res_unit == RESUNIT_CENTIMETER))
{
- x1 = (uint32_t) (crop->corners[i].X1 * scale * xres);
- x2 = (uint32_t) (crop->corners[i].X2 * scale * xres);
- y1 = (uint32_t) (crop->corners[i].Y1 * scale * yres);
- y2 = (uint32_t) (crop->corners[i].Y2 * scale * yres);
+ x1 = _TIFFClampDoubleToUInt32(crop->corners[i].X1 * scale * xres);
+ x2 = _TIFFClampDoubleToUInt32(crop->corners[i].X2 * scale * xres);
+ y1 = _TIFFClampDoubleToUInt32(crop->corners[i].Y1 * scale * yres);
+ y2 = _TIFFClampDoubleToUInt32(crop->corners[i].Y2 * scale * yres);
}
else
{
- x1 = (uint32_t) (crop->corners[i].X1);
- x2 = (uint32_t) (crop->corners[i].X2);
- y1 = (uint32_t) (crop->corners[i].Y1);
- y2 = (uint32_t) (crop->corners[i].Y2);
+ x1 = _TIFFClampDoubleToUInt32(crop->corners[i].X1);
+ x2 = _TIFFClampDoubleToUInt32(crop->corners[i].X2);
+ y1 = _TIFFClampDoubleToUInt32(crop->corners[i].Y1);
+ y2 = _TIFFClampDoubleToUInt32(crop->corners[i].Y2);
}
/* a) Region needs to be within image sizes 0.. width-1; 0..length-1
* b) Corners are expected to be submitted as top-left to bottom-right.
@@ -5357,17 +5357,17 @@ computeInputPixelOffsets(struct crop_mas
{
if (crop->res_unit != RESUNIT_INCH && crop->res_unit != RESUNIT_CENTIMETER)
{ /* User has specified pixels as reference unit */
- tmargin = (uint32_t)(crop->margins[0]);
- lmargin = (uint32_t)(crop->margins[1]);
- bmargin = (uint32_t)(crop->margins[2]);
- rmargin = (uint32_t)(crop->margins[3]);
+ tmargin = _TIFFClampDoubleToUInt32(crop->margins[0]);
+ lmargin = _TIFFClampDoubleToUInt32(crop->margins[1]);
+ bmargin = _TIFFClampDoubleToUInt32(crop->margins[2]);
+ rmargin = _TIFFClampDoubleToUInt32(crop->margins[3]);
}
else
{ /* inches or centimeters specified */
- tmargin = (uint32_t)(crop->margins[0] * scale * yres);
- lmargin = (uint32_t)(crop->margins[1] * scale * xres);
- bmargin = (uint32_t)(crop->margins[2] * scale * yres);
- rmargin = (uint32_t)(crop->margins[3] * scale * xres);
+ tmargin = _TIFFClampDoubleToUInt32(crop->margins[0] * scale * yres);
+ lmargin = _TIFFClampDoubleToUInt32(crop->margins[1] * scale * xres);
+ bmargin = _TIFFClampDoubleToUInt32(crop->margins[2] * scale * yres);
+ rmargin = _TIFFClampDoubleToUInt32(crop->margins[3] * scale * xres);
}
if ((lmargin + rmargin) > image->width)
@@ -5397,24 +5397,24 @@ computeInputPixelOffsets(struct crop_mas
if (crop->res_unit != RESUNIT_INCH && crop->res_unit != RESUNIT_CENTIMETER)
{
if (crop->crop_mode & CROP_WIDTH)
- width = (uint32_t)crop->width;
+ width = _TIFFClampDoubleToUInt32(crop->width);
else
width = image->width - lmargin - rmargin;
if (crop->crop_mode & CROP_LENGTH)
- length = (uint32_t)crop->length;
+ length = _TIFFClampDoubleToUInt32(crop->length);
else
length = image->length - tmargin - bmargin;
}
else
{
if (crop->crop_mode & CROP_WIDTH)
- width = (uint32_t)(crop->width * scale * image->xres);
+ width = _TIFFClampDoubleToUInt32(crop->width * scale * image->xres);
else
width = image->width - lmargin - rmargin;
if (crop->crop_mode & CROP_LENGTH)
- length = (uint32_t)(crop->length * scale * image->yres);
+ length = _TIFFClampDoubleToUInt32(crop->length * scale * image->yres);
else
length = image->length - tmargin - bmargin;
}
@@ -5868,13 +5868,13 @@ computeOutputPixelOffsets (struct crop_m
{
if (page->res_unit == RESUNIT_INCH || page->res_unit == RESUNIT_CENTIMETER)
{ /* inches or centimeters specified */
- hmargin = (uint32_t)(page->hmargin * scale * page->hres * ((image->bps + 7) / 8));
- vmargin = (uint32_t)(page->vmargin * scale * page->vres * ((image->bps + 7) / 8));
+ hmargin = _TIFFClampDoubleToUInt32(page->hmargin * scale * page->hres * ((image->bps + 7) / 8));
+ vmargin = _TIFFClampDoubleToUInt32(page->vmargin * scale * page->vres * ((image->bps + 7) / 8));
}
else
{ /* Otherwise user has specified pixels as reference unit */
- hmargin = (uint32_t)(page->hmargin * scale * ((image->bps + 7) / 8));
- vmargin = (uint32_t)(page->vmargin * scale * ((image->bps + 7) / 8));
+ hmargin = _TIFFClampDoubleToUInt32(page->hmargin * scale * ((image->bps + 7) / 8));
+ vmargin = _TIFFClampDoubleToUInt32(page->vmargin * scale * ((image->bps + 7) / 8));
}
if ((hmargin * 2.0) > (pwidth * page->hres))
@@ -5912,13 +5912,13 @@ computeOutputPixelOffsets (struct crop_m
{
if (page->mode & PAGE_MODE_PAPERSIZE )
{
- owidth = (uint32_t)((pwidth * page->hres) - (hmargin * 2));
- olength = (uint32_t)((plength * page->vres) - (vmargin * 2));
+ owidth = _TIFFClampDoubleToUInt32((pwidth * page->hres) - (hmargin * 2));
+ olength = _TIFFClampDoubleToUInt32((plength * page->vres) - (vmargin * 2));
}
else
{
- owidth = (uint32_t)(iwidth - (hmargin * 2 * page->hres));
- olength = (uint32_t)(ilength - (vmargin * 2 * page->vres));
+ owidth = _TIFFClampDoubleToUInt32(iwidth - (hmargin * 2 * page->hres));
+ olength = _TIFFClampDoubleToUInt32(ilength - (vmargin * 2 * page->vres));
}
}
@@ -5927,6 +5927,12 @@ computeOutputPixelOffsets (struct crop_m
if (olength > ilength)
olength = ilength;
+ if (owidth == 0 || olength == 0)
+ {
+ TIFFError("computeOutputPixelOffsets", "Integer overflow when calculating the number of pages");
+ exit(EXIT_FAILURE);
+ }
+
/* Compute the number of pages required for Portrait or Landscape */
switch (page->orient)
{
Index: tiff-4.4.0/libtiff/libtiff.def
===================================================================
--- tiff-4.4.0.orig/libtiff/libtiff.def
+++ tiff-4.4.0/libtiff/libtiff.def
@@ -170,6 +170,7 @@ EXPORTS TIFFAccessTagMethods
TIFFYCbCrtoRGB
_TIFFCheckMalloc
_TIFFCheckRealloc
+ _TIFFClampDoubleToUInt32
_TIFFRewriteField
_TIFFfree
_TIFFmalloc
