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openjpeg2
openjpeg2-CVE-2016-9580-CVE-2016-9581.patch
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File openjpeg2-CVE-2016-9580-CVE-2016-9581.patch of Package openjpeg2
From 4cacf5c1148d422e9afb4152dd7469ccc0610185 Mon Sep 17 00:00:00 2001 From: Hans Petter Jansson <hpj@cl.no> Date: Thu, 15 Dec 2016 01:04:54 +0100 Subject: [PATCH 9/9] CVE-2016-9580, CVE-2016-9581 --- src/bin/jp2/convert.c | 87 +++++++++++++++++++++++++++++++++++++++++++-------- 1 file changed, 74 insertions(+), 13 deletions(-) diff --git a/src/bin/jp2/convert.c b/src/bin/jp2/convert.c index d21671d..f08d094 100644 --- a/src/bin/jp2/convert.c +++ b/src/bin/jp2/convert.c @@ -2249,16 +2249,17 @@ if(v > 65535) v = 65535; else if(v < 0) v = 0; int imagetotif(opj_image_t * image, const char *outfile) { - int width, height, imgsize; - int bps,index,adjust, sgnd; + uint32 width, height, bps; + int imgsize; + int index,adjust, sgnd; int ushift, dshift, has_alpha, force16; TIFF *tif; tdata_t buf; tstrip_t strip; - tsize_t strip_size; + tmsize_t strip_size; ushift = dshift = force16 = has_alpha = 0; - bps = (int)image->comps[0].prec; + bps = (uint32)image->comps[0].prec; if(bps > 8 && bps < 16) { @@ -2281,7 +2282,7 @@ int imagetotif(opj_image_t * image, const char *outfile) return 1; } sgnd = (int)image->comps[0].sgnd; - adjust = sgnd ? 1 << (image->comps[0].prec - 1) : 0; + adjust = sgnd ? (int)(1 << (image->comps[0].prec - 1)) : 0; if(image->numcomps >= 3 && image->comps[0].dx == image->comps[1].dx @@ -2293,8 +2294,8 @@ int imagetotif(opj_image_t * image, const char *outfile) { has_alpha = (image->numcomps == 4); - width = (int)image->comps[0].w; - height = (int)image->comps[0].h; + width = (uint32)image->comps[0].w; + height = (uint32)image->comps[0].h; imgsize = width * height ; TIFFSetField(tif, TIFFTAG_IMAGEWIDTH, width); @@ -2651,15 +2652,15 @@ opj_image_t* tiftoimage(const char *filename, opj_cparameters_t *parameters) TIFF *tif; tdata_t buf; tstrip_t strip; - tsize_t strip_size; + tmsize_t strip_size; int j, numcomps, w, h,index; OPJ_COLOR_SPACE color_space; opj_image_cmptparm_t cmptparm[4]; /* RGBA */ opj_image_t *image = NULL; int imgsize = 0; int has_alpha = 0; - unsigned short tiBps, tiPhoto, tiSf, tiSpp, tiPC; - unsigned int tiWidth, tiHeight; + uint32 tiBps, tiPhoto, tiSf, tiSpp, tiPC; + uint32 tiWidth, tiHeight; OPJ_BOOL is_cinema = OPJ_IS_CINEMA(parameters->rsiz); tif = TIFFOpen(filename, "r"); @@ -2679,13 +2680,22 @@ opj_image_t* tiftoimage(const char *filename, opj_cparameters_t *parameters) TIFFGetField(tif, TIFFTAG_SAMPLESPERPIXEL, &tiSpp); TIFFGetField(tif, TIFFTAG_PHOTOMETRIC, &tiPhoto); TIFFGetField(tif, TIFFTAG_PLANARCONFIG, &tiPC); + + if(tiWidth == 0 || tiHeight == 0) { + fprintf(stderr,"tiftoimage: Bad values for width(%u) " + "and/or height(%u)\n\tAborting.\n",tiWidth,tiHeight); + TIFFClose(tif); + return NULL; + } + w= (int)tiWidth; h= (int)tiHeight; if(tiBps != 8 && tiBps != 16 && tiBps != 12) tiBps = 0; if(tiPhoto != 1 && tiPhoto != 2) tiPhoto = 0; + if(tiSpp > 4) tiSpp = 0; - if( !tiBps || !tiPhoto) + if( !tiBps || !tiPhoto || !tiSpp) { if( !tiBps) fprintf(stderr,"tiftoimage: Bits=%d, Only 8 and 16 bits" @@ -2694,6 +2704,9 @@ opj_image_t* tiftoimage(const char *filename, opj_cparameters_t *parameters) if( !tiPhoto) fprintf(stderr,"tiftoimage: Bad color format %d.\n\tOnly RGB(A)" " and GRAY(A) has been implemented\n",(int) tiPhoto); + else + if( !tiSpp) + fprintf(stderr,"tiftoimage: Bad value for samples per pixel == %hu.\n", tiSpp); fprintf(stderr,"\tAborting\n"); TIFFClose(tif); @@ -2786,8 +2799,23 @@ opj_image_t* tiftoimage(const char *filename, opj_cparameters_t *parameters) image->y0 = (OPJ_UINT32)parameters->image_offset_y0; image->x1 = !image->x0 ? (OPJ_UINT32)(w - 1) * (OPJ_UINT32)subsampling_dx + 1 : image->x0 + (OPJ_UINT32)(w - 1) * (OPJ_UINT32)subsampling_dx + 1; + if(image->x1 <= image->x0) { + fprintf(stderr,"tiftoimage: Bad value for image->x1(%d) vs. " + "image->x0(%d)\n\tAborting.\n",image->x1,image->x0); + TIFFClose(tif); + opj_image_destroy(image); + return NULL; + } + image->y1 = !image->y0 ? (OPJ_UINT32)(h - 1) * (OPJ_UINT32)subsampling_dy + 1 : image->y0 + (OPJ_UINT32)(h - 1) * (OPJ_UINT32)subsampling_dy + 1; + if(image->y1 <= image->y0) { + fprintf(stderr,"tiftoimage: Bad value for image->y1(%d) vs. " + "image->y0(%d)\n\tAborting.\n",image->y1,image->y0); + TIFFClose(tif); + opj_image_destroy(image); + return NULL; + } buf = _TIFFmalloc(TIFFStripSize(tif)); @@ -2800,10 +2828,20 @@ opj_image_t* tiftoimage(const char *filename, opj_cparameters_t *parameters) { unsigned char *dat8; int step; - tsize_t i, ssize; + tmsize_t i, ssize; ssize = TIFFReadEncodedStrip(tif, strip, buf, strip_size); dat8 = (unsigned char*)buf; + ssize = TIFFReadEncodedStrip(tif, strip, buf, strip_size); + if(ssize < 1 || ssize > strip_size) { + fprintf(stderr,"tiftoimage: Bad value for ssize(%ld) " + "vs. strip_size(%ld).\n\tAborting.\n",ssize,strip_size); + _TIFFfree(buf); + TIFFClose(tif); + opj_image_destroy(image); + return NULL; + } + if(tiBps == 16) { step = 6 + has_alpha + has_alpha; @@ -2936,8 +2974,22 @@ opj_image_t* tiftoimage(const char *filename, opj_cparameters_t *parameters) image->y0 = (OPJ_UINT32)parameters->image_offset_y0; image->x1 = !image->x0 ? (OPJ_UINT32)(w - 1) * (OPJ_UINT32)subsampling_dx + 1 : image->x0 + (OPJ_UINT32)(w - 1) * (OPJ_UINT32)subsampling_dx + 1; + if(image->x1 <= image->x0) { + fprintf(stderr,"tiftoimage: Bad value for image->x1(%d) vs. " + "image->x0(%d)\n\tAborting.\n",image->x1,image->x0); + TIFFClose(tif); + opj_image_destroy(image); + return NULL; + } image->y1 = !image->y0 ? (OPJ_UINT32)(h - 1) * (OPJ_UINT32)subsampling_dy + 1 : image->y0 + (OPJ_UINT32)(h - 1) * (OPJ_UINT32)subsampling_dy + 1; + if(image->y1 <= image->y0) { + fprintf(stderr,"tiftoimage: Bad value for image->y1(%d) vs. " + "image->y0(%d)\n\tAborting.\n",image->y1,image->y0); + TIFFClose(tif); + opj_image_destroy(image); + return NULL; + } buf = _TIFFmalloc(TIFFStripSize(tif)); @@ -2949,12 +3001,21 @@ opj_image_t* tiftoimage(const char *filename, opj_cparameters_t *parameters) for(strip = 0; strip < TIFFNumberOfStrips(tif); strip++) { unsigned char *dat8; - tsize_t i, ssize; + tmsize_t i, ssize; int step; ssize = TIFFReadEncodedStrip(tif, strip, buf, strip_size); dat8 = (unsigned char*)buf; + if(ssize < 1 || ssize > strip_size) { + fprintf(stderr,"tiftoimage: Bad value for ssize(%ld) " + "vs. strip_size(%ld).\n\tAborting.\n",ssize,strip_size); + _TIFFfree(buf); + TIFFClose(tif); + opj_image_destroy(image); + return NULL; + } + if(tiBps == 16) { step = 2 + has_alpha + has_alpha; -- 1.8.4.5
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