From: Virendra Thakur <virend...@kpit.com> Add Patch to fix CVE-2022-2867, CVE-2022-2868 CVE-2022-2869
Signed-off-by: Virendra Thakur <virend...@kpit.com> --- ...022-2867-CVE-2022-2868-CVE-2022-2869.patch | 159 ++++++++++++++++++ meta/recipes-multimedia/libtiff/tiff_4.1.0.bb | 1 + 2 files changed, 160 insertions(+) create mode 100644 meta/recipes-multimedia/libtiff/files/CVE-2022-2867-CVE-2022-2868-CVE-2022-2869.patch diff --git a/meta/recipes-multimedia/libtiff/files/CVE-2022-2867-CVE-2022-2868-CVE-2022-2869.patch b/meta/recipes-multimedia/libtiff/files/CVE-2022-2867-CVE-2022-2868-CVE-2022-2869.patch new file mode 100644 index 0000000000..131ff94119 --- /dev/null +++ b/meta/recipes-multimedia/libtiff/files/CVE-2022-2867-CVE-2022-2868-CVE-2022-2869.patch @@ -0,0 +1,159 @@ +From 07d79fcac2ead271b60e32aeb80f7b4f3be9ac8c Mon Sep 17 00:00:00 2001 +From: Su Laus <su...@freenet.de> +Date: Wed, 9 Feb 2022 21:31:29 +0000 +Subject: [PATCH] tiffcrop.c: Fix issue #352 heap-buffer-overflow by correcting + uint32_t underflow. + +CVE: CVE-2022-2867 CVE-2022-2868 CVE-2022-2869 +Upstream-Status: Backport [https://gitlab.com/libtiff/libtiff/-/commit/07d79fcac2ead271b60e32aeb80f7b4f3be9ac8c] +Signed-off-by: Virendra Thakur <virend...@kpit.com> +--- +Index: tiff-4.1.0/tools/tiffcrop.c +=================================================================== +--- tiff-4.1.0.orig/tools/tiffcrop.c ++++ tiff-4.1.0/tools/tiffcrop.c +@@ -5153,29 +5153,45 @@ computeInputPixelOffsets(struct crop_mas + y1 = _TIFFClampDoubleToUInt32(crop->corners[i].Y1); + y2 = _TIFFClampDoubleToUInt32(crop->corners[i].Y2); + } +- if (x1 < 1) +- crop->regionlist[i].x1 = 0; +- else +- crop->regionlist[i].x1 = (uint32) (x1 - 1); ++ /* 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. ++ * Therefore, check that and reorder input. ++ * (be aware x,y are already casted to (uint32_t) and avoid (0 - 1) ) ++ */ ++ uint32_t aux; ++ if (x1 > x2) { ++ aux = x1; ++ x1 = x2; ++ x2 = aux; ++ } ++ if (y1 > y2) { ++ aux = y1; ++ y1 = y2; ++ y2 = aux; ++ } ++ if (x1 > image->width - 1) ++ crop->regionlist[i].x1 = image->width - 1; ++ else if (x1 > 0) ++ crop->regionlist[i].x1 = (uint32_t)(x1 - 1); + + if (x2 > image->width - 1) + crop->regionlist[i].x2 = image->width - 1; +- else +- crop->regionlist[i].x2 = (uint32) (x2 - 1); +- zwidth = crop->regionlist[i].x2 - crop->regionlist[i].x1 + 1; +- +- if (y1 < 1) +- crop->regionlist[i].y1 = 0; +- else +- crop->regionlist[i].y1 = (uint32) (y1 - 1); ++ else if (x2 > 0) ++ crop->regionlist[i].x2 = (uint32_t)(x2 - 1); ++ ++ zwidth = crop->regionlist[i].x2 - crop->regionlist[i].x1 + 1; ++ ++ if (y1 > image->length - 1) ++ crop->regionlist[i].y1 = image->length - 1; ++ else if (y1 > 0) ++ crop->regionlist[i].y1 = (uint32_t)(y1 - 1); + + if (y2 > image->length - 1) + crop->regionlist[i].y2 = image->length - 1; +- else +- crop->regionlist[i].y2 = (uint32) (y2 - 1); +- +- zlength = crop->regionlist[i].y2 - crop->regionlist[i].y1 + 1; ++ else if (y2 > 0) ++ crop->regionlist[i].y2 = (uint32_t)(y2 - 1); + ++ zlength = crop->regionlist[i].y2 - crop->regionlist[i].y1 + 1; + if (zwidth > max_width) + max_width = zwidth; + if (zlength > max_length) +@@ -5205,7 +5221,7 @@ computeInputPixelOffsets(struct crop_mas + } + } + return (0); +- } ++ } /* crop_mode == CROP_REGIONS */ + + /* Convert crop margins into offsets into image + * Margins are expressed as pixel rows and columns, not bytes +@@ -5241,7 +5257,7 @@ computeInputPixelOffsets(struct crop_mas + bmargin = (uint32) 0; + return (-1); + } +- } ++ } /* crop_mode == CROP_MARGINS */ + else + { /* no margins requested */ + tmargin = (uint32) 0; +@@ -5332,24 +5348,23 @@ computeInputPixelOffsets(struct crop_mas + off->endx = endx; + off->endy = endy; + +- crop_width = endx - startx + 1; +- crop_length = endy - starty + 1; +- +- if (crop_width <= 0) ++ if (endx + 1 <= startx) + { + TIFFError("computeInputPixelOffsets", + "Invalid left/right margins and /or image crop width requested"); + return (-1); + } ++ crop_width = endx - startx + 1; + if (crop_width > image->width) + crop_width = image->width; + +- if (crop_length <= 0) ++ if (endy + 1 <= starty) + { + TIFFError("computeInputPixelOffsets", + "Invalid top/bottom margins and /or image crop length requested"); + return (-1); + } ++ crop_length = endy - starty + 1; + if (crop_length > image->length) + crop_length = image->length; + +@@ -5449,10 +5464,17 @@ getCropOffsets(struct image_data *image, + else + crop->selections = crop->zones; + +- for (i = 0; i < crop->zones; i++) ++ /* Initialize regions iterator i */ ++ i = 0; ++ for (int j = 0; j < crop->zones; j++) + { +- seg = crop->zonelist[i].position; +- total = crop->zonelist[i].total; ++ seg = crop->zonelist[j].position; ++ total = crop->zonelist[j].total; ++ ++ /* check for not allowed zone cases like 0:0; 4:3; etc. and skip that input */ ++ if (seg == 0 || total == 0 || seg > total) { ++ continue; ++ } + + switch (crop->edge_ref) + { +@@ -5581,8 +5603,11 @@ getCropOffsets(struct image_data *image, + i + 1, (uint32)zwidth, (uint32)zlength, + crop->regionlist[i].x1, crop->regionlist[i].x2, + crop->regionlist[i].y1, crop->regionlist[i].y2); ++ /* increment regions iterator */ ++ i++; + } +- ++ /* set number of generated regions out of given zones */ ++ crop->selections = i; + return (0); + } /* end getCropOffsets */ + +-- +GitLab diff --git a/meta/recipes-multimedia/libtiff/tiff_4.1.0.bb b/meta/recipes-multimedia/libtiff/tiff_4.1.0.bb index c061d2aaac..93a35230d6 100644 --- a/meta/recipes-multimedia/libtiff/tiff_4.1.0.bb +++ b/meta/recipes-multimedia/libtiff/tiff_4.1.0.bb @@ -26,6 +26,7 @@ SRC_URI = "http://download.osgeo.org/libtiff/tiff-${PV}.tar.gz \ file://CVE-2022-0924.patch \ file://CVE-2022-2056-CVE-2022-2057-CVE-2022-2058.patch \ file://CVE-2022-34526.patch \ + file://CVE-2022-2867-CVE-2022-2868-CVE-2022-2869.patch \ " SRC_URI[md5sum] = "2165e7aba557463acc0664e71a3ed424" SRC_URI[sha256sum] = "5d29f32517dadb6dbcd1255ea5bbc93a2b54b94fbf83653b4d65c7d6775b8634" -- 2.17.1 This message contains information that may be privileged or confidential and is the property of the KPIT Technologies Ltd. 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