This patch contains a fix for CVE-2022-3970 Reference: https://nvd.nist.gov/vuln/detail/CVE-2022-3970 https://security-tracker.debian.org/tracker/CVE-2022-3970
Patch generated from : https://gitlab.com/libtiff/libtiff/-/commit/227500897dfb07fb7d27f7aa570050e62617e3be Upstream-Status: Accepted Signed-off-by: Zheng Qiu <zheng....@windriver.com> --- .../libtiff/tiff/CVE-2022-3970.patch | 38 +++++++++++++++++++ meta/recipes-multimedia/libtiff/tiff_4.3.0.bb | 1 + 2 files changed, 39 insertions(+) create mode 100644 meta/recipes-multimedia/libtiff/tiff/CVE-2022-3970.patch diff --git a/meta/recipes-multimedia/libtiff/tiff/CVE-2022-3970.patch b/meta/recipes-multimedia/libtiff/tiff/CVE-2022-3970.patch new file mode 100644 index 0000000000..e8f143933a --- /dev/null +++ b/meta/recipes-multimedia/libtiff/tiff/CVE-2022-3970.patch @@ -0,0 +1,38 @@ +From 227500897dfb07fb7d27f7aa570050e62617e3be Mon Sep 17 00:00:00 2001 +From: Even Rouault <even.roua...@spatialys.com> +Date: Tue, 8 Nov 2022 15:16:58 +0100 +Subject: [PATCH] TIFFReadRGBATileExt(): fix (unsigned) integer overflow on + strips/tiles > 2 GB + +Fixes https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=53137 +--- + libtiff/tif_getimage.c | 8 ++++---- + 1 file changed, 4 insertions(+), 4 deletions(-) + +diff --git a/libtiff/tif_getimage.c b/libtiff/tif_getimage.c +index a4d0c1d6..60b94d8e 100644 +--- a/libtiff/tif_getimage.c ++++ b/libtiff/tif_getimage.c +@@ -3016,15 +3016,15 @@ TIFFReadRGBATileExt(TIFF* tif, uint32_t col, uint32_t row, uint32_t * raster, in + return( ok ); + + for( i_row = 0; i_row < read_ysize; i_row++ ) { +- memmove( raster + (tile_ysize - i_row - 1) * tile_xsize, +- raster + (read_ysize - i_row - 1) * read_xsize, ++ memmove( raster + (size_t)(tile_ysize - i_row - 1) * tile_xsize, ++ raster + (size_t)(read_ysize - i_row - 1) * read_xsize, + read_xsize * sizeof(uint32_t) ); +- _TIFFmemset( raster + (tile_ysize - i_row - 1) * tile_xsize+read_xsize, ++ _TIFFmemset( raster + (size_t)(tile_ysize - i_row - 1) * tile_xsize+read_xsize, + 0, sizeof(uint32_t) * (tile_xsize - read_xsize) ); + } + + for( i_row = read_ysize; i_row < tile_ysize; i_row++ ) { +- _TIFFmemset( raster + (tile_ysize - i_row - 1) * tile_xsize, ++ _TIFFmemset( raster + (size_t)(tile_ysize - i_row - 1) * tile_xsize, + 0, sizeof(uint32_t) * tile_xsize ); + } + +-- +2.33.0 + diff --git a/meta/recipes-multimedia/libtiff/tiff_4.3.0.bb b/meta/recipes-multimedia/libtiff/tiff_4.3.0.bb index f84057c46b..0fbe515e9d 100644 --- a/meta/recipes-multimedia/libtiff/tiff_4.3.0.bb +++ b/meta/recipes-multimedia/libtiff/tiff_4.3.0.bb @@ -24,6 +24,7 @@ SRC_URI = "http://download.osgeo.org/libtiff/tiff-${PV}.tar.gz \ file://CVE-2022-34526.patch \ file://CVE-2022-2869.patch \ file://CVE-2022-2867.patch \ + file://CVE-2022-3970.patch \ file://b258ed69a485a9cfb299d9f060eb2a46c54e5903.patch \ " -- 2.33.0
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