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openSUSE:Leap:15.5:Update
tiff.32256
tiff-CVE-2023-0795,CVE-2023-0796,CVE-2023-0797,...
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File tiff-CVE-2023-0795,CVE-2023-0796,CVE-2023-0797,CVE-2023-0798,CVE-2023-0799.patch of Package tiff.32256
Based on upstream commits: 9c22495e5eeeae9e00a1596720c969656bb8d678 688012dca2c39033aa2dc7bcea9796787cfd1b44 69818e2f2d246e6631ac2a2da692c3706b849c38 Index: tiff-4.0.9/tools/tiffcrop.c =================================================================== --- tiff-4.0.9.orig/tools/tiffcrop.c +++ tiff-4.0.9/tools/tiffcrop.c @@ -278,7 +278,6 @@ struct region { uint32 width; /* width in pixels */ uint32 length; /* length in pixels */ uint32 buffsize; /* size of buffer needed to hold the cropped region */ - unsigned char *buffptr; /* address of start of the region */ }; /* Cropping parameters from command line and image data @@ -533,7 +532,7 @@ static int rotateContigSamples24bits(uin static int rotateContigSamples32bits(uint16, uint16, uint16, uint32, uint32, uint32, uint8 *, uint8 *); static int rotateImage(uint16, struct image_data *, uint32 *, uint32 *, - unsigned char **); + unsigned char **, size_t*, int); static int mirrorImage(uint16, uint16, uint16, uint32, uint32, unsigned char *); static int invertImage(uint16, uint16, uint16, uint32, uint32, @@ -5134,7 +5133,6 @@ initCropMasks (struct crop_mask *cps) cps->regionlist[i].width = 0; cps->regionlist[i].length = 0; cps->regionlist[i].buffsize = 0; - cps->regionlist[i].buffptr = NULL; cps->zonelist[i].position = 0; cps->zonelist[i].total = 0; } @@ -6367,7 +6365,12 @@ static int correct_orientation(struct i return (-1); } - if (rotateImage(rotation, image, &image->width, &image->length, work_buff_ptr)) + /* Dummy variable in order not to switch two times the + * image->width,->length within rotateImage(), + * but switch xres, yres there. */ + uint32_t width = image->width; + uint32_t length = image->length; + if (rotateImage(rotation, image, &width, &length, work_buff_ptr, NULL, TRUE)) { TIFFError ("correct_orientation", "Unable to rotate image"); return (-1); @@ -6435,7 +6438,6 @@ extractCompositeRegions(struct image_dat /* These should not be needed for composite images */ crop->regionlist[i].width = crop_width; crop->regionlist[i].length = crop_length; - crop->regionlist[i].buffptr = crop_buff; src_rowsize = ((img_width * bps * spp) + 7) / 8; dst_rowsize = (((crop_width * bps * count) + 7) / 8); @@ -6672,7 +6674,6 @@ extractSeparateRegion(struct image_data crop->regionlist[region].width = crop_width; crop->regionlist[region].length = crop_length; - crop->regionlist[region].buffptr = crop_buff; src = read_buff; dst = crop_buff; @@ -7549,16 +7550,16 @@ processCropSelections(struct image_data if (crop->crop_mode & CROP_ROTATE) /* rotate should be last as it can reallocate the buffer */ { + size_t rot_buf_size = 0; if (rotateImage(crop->rotation, image, &crop->combined_width, - &crop->combined_length, &crop_buff)) + &crop->combined_length, &crop_buff, &rot_buf_size, FALSE)) { TIFFError("processCropSelections", "Failed to rotate composite regions by %d degrees", crop->rotation); return (-1); } seg_buffs[0].buffer = crop_buff; - seg_buffs[0].size = (((crop->combined_width * image->bps + 7 ) / 8) - * image->spp) * crop->combined_length; + seg_buffs[0].size = rot_buf_size; } } else /* Separated Images */ @@ -7655,8 +7656,10 @@ processCropSelections(struct image_data if (crop->crop_mode & CROP_ROTATE) /* rotate should be last as it can reallocate the buffer */ { - if (rotateImage(crop->rotation, image, &crop->regionlist[i].width, - &crop->regionlist[i].length, &crop_buff)) + size_t rot_buf_size = 0; + if (rotateImage( + crop->rotation, image, &crop->regionlist[i].width, + &crop->regionlist[i].length, &crop_buff, &rot_buf_size, FALSE)) { TIFFError("processCropSelections", "Failed to rotate crop region by %d degrees", crop->rotation); @@ -7667,8 +7670,7 @@ processCropSelections(struct image_data crop->combined_width = total_width; crop->combined_length = total_length; seg_buffs[i].buffer = crop_buff; - seg_buffs[i].size = (((crop->regionlist[i].width * image->bps + 7 ) / 8) - * image->spp) * crop->regionlist[i].length; + seg_buffs[i].size = rot_buf_size; } } } @@ -7788,7 +7790,7 @@ createCroppedImage(struct image_data *im if (crop->crop_mode & CROP_ROTATE) /* rotate should be last as it can reallocate the buffer */ { if (rotateImage(crop->rotation, image, &crop->combined_width, - &crop->combined_length, crop_buff_ptr)) + &crop->combined_length, crop_buff_ptr, NULL, TRUE)) { TIFFError("createCroppedImage", "Failed to rotate image or cropped selection by %d degrees", crop->rotation); @@ -8451,13 +8453,15 @@ rotateContigSamples32bits(uint16 rotatio /* Rotate an image by a multiple of 90 degrees clockwise */ static int rotateImage(uint16 rotation, struct image_data *image, uint32 *img_width, - uint32 *img_length, unsigned char **ibuff_ptr) + uint32 *img_length, unsigned char **ibuff_ptr, size_t *rot_buf_size, + int rot_image_params) { int shift_width; uint32 bytes_per_pixel, bytes_per_sample; uint32 row, rowsize, src_offset, dst_offset; uint32 i, col, width, length; - uint32 colsize, buffsize, col_offset, pix_offset; + uint32_t colsize, col_offset, pix_offset; + tmsize_t buffsize; unsigned char *ibuff; unsigned char *src; unsigned char *dst; @@ -8470,12 +8474,41 @@ rotateImage(uint16 rotation, struct imag spp = image->spp; bps = image->bps; + if ((spp != 0 && bps != 0 && + width > (uint32_t)((UINT32_MAX - 7) / spp / bps)) || + (spp != 0 && bps != 0 && + length > (uint32_t)((UINT32_MAX - 7) / spp / bps))) + { + TIFFError("rotateImage", "Integer overflow detected."); + return (-1); + } rowsize = ((bps * spp * width) + 7) / 8; colsize = ((bps * spp * length) + 7) / 8; if ((colsize * width) > (rowsize * length)) - buffsize = (colsize + 1) * width; + { + if (((tmsize_t)colsize + 1) != 0 && + (tmsize_t)width > ((TIFF_TMSIZE_T_MAX - NUM_BUFF_OVERSIZE_BYTES) / + ((tmsize_t)colsize + 1))) + { + TIFFError("rotateImage", + "Integer overflow when calculating buffer size."); + return (-1); + } + buffsize = ((tmsize_t)colsize + 1) * width; + } else - buffsize = (rowsize + 1) * length; + { + if (((tmsize_t)rowsize + 1) != 0 && + (tmsize_t)length > ((TIFF_TMSIZE_T_MAX - NUM_BUFF_OVERSIZE_BYTES) / + ((tmsize_t)rowsize + 1))) + { + TIFFError("rotateImage", + "Integer overflow when calculating buffer size."); + return (-1); + } + + buffsize = (rowsize + 1) * length; + } bytes_per_sample = (bps + 7) / 8; bytes_per_pixel = ((bps * spp) + 7) / 8; @@ -8498,10 +8531,12 @@ rotateImage(uint16 rotation, struct imag /* Add 3 padding bytes for extractContigSamplesShifted32bits */ if (!(rbuff = (unsigned char *)limitMalloc(buffsize + NUM_BUFF_OVERSIZE_BYTES))) { - TIFFError("rotateImage", "Unable to allocate rotation buffer of %1u bytes", buffsize + NUM_BUFF_OVERSIZE_BYTES); + TIFFError("rotateImage", "Unable to allocate rotation buffer of %" TIFF_SSIZE_FORMAT "bytes", buffsize + NUM_BUFF_OVERSIZE_BYTES); return (-1); } _TIFFmemset(rbuff, '\0', buffsize + NUM_BUFF_OVERSIZE_BYTES); + if (rot_buf_size != NULL) + *rot_buf_size = buffsize; ibuff = *ibuff_ptr; switch (rotation) @@ -8642,11 +8677,15 @@ rotateImage(uint16 rotation, struct imag *img_width = length; *img_length = width; - image->width = length; - image->length = width; - res_temp = image->xres; - image->xres = image->yres; - image->yres = res_temp; + /* Only toggle image parameters if whole input image is rotated. */ + if (rot_image_params) + { + image->width = length; + image->length = width; + res_temp = image->xres; + image->xres = image->yres; + image->yres = res_temp; + } break; case 270: if ((bps % 8) == 0) /* byte aligned data */ @@ -8719,11 +8758,15 @@ rotateImage(uint16 rotation, struct imag *img_width = length; *img_length = width; - image->width = length; - image->length = width; - res_temp = image->xres; - image->xres = image->yres; - image->yres = res_temp; + /* Only toggle image parameters if whole input image is rotated. */ + if (rot_image_params) + { + image->width = length; + image->length = width; + res_temp = image->xres; + image->xres = image->yres; + image->yres = res_temp; + } break; default: break;
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