Upstream-Status: Backport from [https://gitlab.com/libtiff/libtiff/-/commit/69818e2f2d246e6631ac2a2da692c3706b849c38, https://gitlab.com/libtiff/libtiff/-/commit/ec8ef90c1f573c9eb1f17d6a056aa0015f184acf] Signed-off-by: Siddharth Doshi <sdo...@mvista.com> --- .../libtiff/files/CVE-2023-25434.patch | 159 ++++++++++++++++++ .../libtiff/files/CVE-2023-26965.patch | 99 +++++++++++ meta/recipes-multimedia/libtiff/tiff_4.5.0.bb | 2 + 3 files changed, 260 insertions(+) create mode 100644 meta/recipes-multimedia/libtiff/files/CVE-2023-25434.patch create mode 100644 meta/recipes-multimedia/libtiff/files/CVE-2023-26965.patch
diff --git a/meta/recipes-multimedia/libtiff/files/CVE-2023-25434.patch b/meta/recipes-multimedia/libtiff/files/CVE-2023-25434.patch new file mode 100644 index 0000000000..a78c9709f9 --- /dev/null +++ b/meta/recipes-multimedia/libtiff/files/CVE-2023-25434.patch @@ -0,0 +1,159 @@ +From 69818e2f2d246e6631ac2a2da692c3706b849c38 Mon Sep 17 00:00:00 2001 +From: Su_Laus <su...@freenet.de> +Date: Sun, 29 Jan 2023 11:09:26 +0100 +Subject: [PATCH] tiffcrop: Amend rotateImage() not to toggle the input (main) + image width and length parameters when only cropped image sections are + rotated. Remove buffptr from region structure because never used. + +Closes #492 #493 #494 #495 #499 #518 #519 + +Upstream-Status: Backport from [https://gitlab.com/libtiff/libtiff/-/commit/69818e2f2d246e6631ac2a2da692c3706b849c38] +CVE: CVE-2023-25434 + +Signed-off-by: Siddharth Doshi <sdo...@mvista.com> +--- + tools/tiffcrop.c | 51 ++++++++++++++++++++++++++++-------------------- + 1 file changed, 30 insertions(+), 21 deletions(-) + +diff --git a/tools/tiffcrop.c b/tools/tiffcrop.c +index fc5b34b..6e1acc4 100644 +--- a/tools/tiffcrop.c ++++ b/tools/tiffcrop.c +@@ -296,7 +296,6 @@ struct region + uint32_t width; /* width in pixels */ + uint32_t length; /* length in pixels */ + uint32_t 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 +@@ -577,7 +576,7 @@ static int rotateContigSamples24bits(uint16_t, uint16_t, uint16_t, uint32_t, + static int rotateContigSamples32bits(uint16_t, uint16_t, uint16_t, uint32_t, + uint32_t, uint32_t, uint8_t *, uint8_t *); + static int rotateImage(uint16_t, struct image_data *, uint32_t *, uint32_t *, +- unsigned char **); ++ unsigned char **, int); + static int mirrorImage(uint16_t, uint16_t, uint16_t, uint32_t, uint32_t, + unsigned char *); + static int invertImage(uint16_t, uint16_t, uint16_t, uint32_t, uint32_t, +@@ -5779,7 +5778,6 @@ static void 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; + } +@@ -7221,8 +7219,13 @@ static int correct_orientation(struct image_data *image, + 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, ++ TRUE)) + { + TIFFError("correct_orientation", "Unable to rotate image"); + return (-1); +@@ -7291,7 +7294,6 @@ static int extractCompositeRegions(struct image_data *image, + /* 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); +@@ -7552,7 +7554,6 @@ static int extractSeparateRegion(struct image_data *image, + + crop->regionlist[region].width = crop_width; + crop->regionlist[region].length = crop_length; +- crop->regionlist[region].buffptr = crop_buff; + + src = read_buff; + dst = crop_buff; +@@ -8543,7 +8544,7 @@ static int processCropSelections(struct image_data *image, + reallocate the buffer */ + { + if (rotateImage(crop->rotation, image, &crop->combined_width, +- &crop->combined_length, &crop_buff)) ++ &crop->combined_length, &crop_buff, FALSE)) + { + TIFFError("processCropSelections", + "Failed to rotate composite regions by %" PRIu32 +@@ -8668,7 +8669,7 @@ static int processCropSelections(struct image_data *image, + */ + if (rotateImage(crop->rotation, image, + &crop->regionlist[i].width, +- &crop->regionlist[i].length, &crop_buff)) ++ &crop->regionlist[i].length, &crop_buff, FALSE)) + { + TIFFError("processCropSelections", + "Failed to rotate crop region by %" PRIu16 +@@ -8815,7 +8816,7 @@ static int createCroppedImage(struct image_data *image, struct crop_mask *crop, + 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, TRUE)) + { + TIFFError("createCroppedImage", + "Failed to rotate image or cropped selection by %" PRIu16 +@@ -9531,7 +9532,7 @@ static int rotateContigSamples32bits(uint16_t rotation, uint16_t spp, + /* Rotate an image by a multiple of 90 degrees clockwise */ + static int rotateImage(uint16_t rotation, struct image_data *image, + uint32_t *img_width, uint32_t *img_length, +- unsigned char **ibuff_ptr) ++ unsigned char **ibuff_ptr, int rot_image_params) + { + int shift_width; + uint32_t bytes_per_pixel, bytes_per_sample; +@@ -9747,11 +9748,15 @@ static int rotateImage(uint16_t rotation, struct image_data *image, + + *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: +@@ -9834,11 +9839,15 @@ static int rotateImage(uint16_t rotation, struct image_data *image, + + *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; +-- +2.35.7 + diff --git a/meta/recipes-multimedia/libtiff/files/CVE-2023-26965.patch b/meta/recipes-multimedia/libtiff/files/CVE-2023-26965.patch new file mode 100644 index 0000000000..09161c9165 --- /dev/null +++ b/meta/recipes-multimedia/libtiff/files/CVE-2023-26965.patch @@ -0,0 +1,99 @@ +From ec8ef90c1f573c9eb1f17d6a056aa0015f184acf Mon Sep 17 00:00:00 2001 +From: Su_Laus <su...@freenet.de> +Date: Tue, 14 Feb 2023 20:43:43 +0100 +Subject: [PATCH] tiffcrop: Do not reuse input buffer for subsequent images. + Fix issue 527 + +Reuse of read_buff within loadImage() from previous image is quite unsafe, because other functions (like rotateImage() etc.) reallocate that buffer with different size without updating the local prev_readsize value. + +Closes #527 + +Upstream-Status: Backport from [https://gitlab.com/libtiff/libtiff/-/commit/ec8ef90c1f573c9eb1f17d6a056aa0015f184acf] +CVE: CVE-2023-26965 +Signed-off-by: Siddharth Doshi <sdo...@mvista.com> +--- + tools/tiffcrop.c | 47 +++++++++++++---------------------------------- + 1 file changed, 13 insertions(+), 34 deletions(-) + +diff --git a/tools/tiffcrop.c b/tools/tiffcrop.c +index fb0fbb2..58ed3ab 100644 +--- a/tools/tiffcrop.c ++++ b/tools/tiffcrop.c +@@ -6746,9 +6746,7 @@ static int loadImage(TIFF *in, struct image_data *image, struct dump_opts *dump, + uint32_t tw = 0, tl = 0; /* Tile width and length */ + tmsize_t tile_rowsize = 0; + unsigned char *read_buff = NULL; +- unsigned char *new_buff = NULL; + int readunit = 0; +- static tmsize_t prev_readsize = 0; + + TIFFGetFieldDefaulted(in, TIFFTAG_BITSPERSAMPLE, &bps); + TIFFGetFieldDefaulted(in, TIFFTAG_SAMPLESPERPIXEL, &spp); +@@ -7072,43 +7070,25 @@ static int loadImage(TIFF *in, struct image_data *image, struct dump_opts *dump, + } + + read_buff = *read_ptr; +- /* +3 : add a few guard bytes since reverseSamples16bits() can read a bit */ +- /* outside buffer */ +- if (!read_buff) ++ /* +3 : add a few guard bytes since reverseSamples16bits() can read a bit ++ * outside buffer */ ++ /* Reuse of read_buff from previous image is quite unsafe, because other ++ * functions (like rotateImage() etc.) reallocate that buffer with different ++ * size without updating the local prev_readsize value. */ ++ if (read_buff) + { +- if (buffsize > 0xFFFFFFFFU - 3) +- { +- TIFFError("loadImage", "Unable to allocate/reallocate read buffer"); +- return (-1); +- } +- read_buff = +- (unsigned char *)limitMalloc(buffsize + NUM_BUFF_OVERSIZE_BYTES); ++ _TIFFfree(read_buff); + } +- else ++ if (buffsize > 0xFFFFFFFFU - 3) + { +- if (prev_readsize < buffsize) +- { +- if (buffsize > 0xFFFFFFFFU - 3) +- { +- TIFFError("loadImage", +- "Unable to allocate/reallocate read buffer"); +- return (-1); +- } +- new_buff = +- _TIFFrealloc(read_buff, buffsize + NUM_BUFF_OVERSIZE_BYTES); +- if (!new_buff) +- { +- free(read_buff); +- read_buff = (unsigned char *)limitMalloc( +- buffsize + NUM_BUFF_OVERSIZE_BYTES); +- } +- else +- read_buff = new_buff; +- } ++ TIFFError("loadImage", "Required read buffer size too large"); ++ return (-1); + } ++ read_buff = ++ (unsigned char *)limitMalloc(buffsize + NUM_BUFF_OVERSIZE_BYTES); + if (!read_buff) + { +- TIFFError("loadImage", "Unable to allocate/reallocate read buffer"); ++ TIFFError("loadImage", "Unable to allocate read buffer"); + return (-1); + } + +@@ -7116,7 +7096,6 @@ static int loadImage(TIFF *in, struct image_data *image, struct dump_opts *dump, + read_buff[buffsize + 1] = 0; + read_buff[buffsize + 2] = 0; + +- prev_readsize = buffsize; + *read_ptr = read_buff; + + /* N.B. The read functions used copy separate plane data into a buffer as +-- +2.35.7 + diff --git a/meta/recipes-multimedia/libtiff/tiff_4.5.0.bb b/meta/recipes-multimedia/libtiff/tiff_4.5.0.bb index ca4a3eff91..220f7e2816 100644 --- a/meta/recipes-multimedia/libtiff/tiff_4.5.0.bb +++ b/meta/recipes-multimedia/libtiff/tiff_4.5.0.bb @@ -11,6 +11,8 @@ CVE_PRODUCT = "libtiff" SRC_URI = "http://download.osgeo.org/libtiff/tiff-${PV}.tar.gz \ file://CVE-2022-48281.patch \ file://CVE-2023-2731.patch \ + file://CVE-2023-25434.patch \ + file://CVE-2023-26965.patch \ " SRC_URI[sha256sum] = "c7a1d9296649233979fa3eacffef3fa024d73d05d589cb622727b5b08c423464" -- 2.25.1
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