From: Yogita Urade <[email protected]> libtiff: integer overflow in tiffcp.c
References: https://security-tracker.debian.org/tracker/CVE-2023-40745 https://gitlab.com/libtiff/libtiff/-/issues/591 https://bugzilla.redhat.com/show_bug.cgi?id=2235265 Signed-off-by: Yogita Urade <[email protected]> Signed-off-by: Richard Purdie <[email protected]> (cherry picked from commit c3d4fbeb51278a04a6800c894c681733ad2259ca) Signed-off-by: Steve Sakoman <[email protected]> --- .../libtiff/files/CVE-2023-40745.patch | 35 +++++++++++++++++++ meta/recipes-multimedia/libtiff/tiff_4.5.1.bb | 4 ++- 2 files changed, 38 insertions(+), 1 deletion(-) create mode 100644 meta/recipes-multimedia/libtiff/files/CVE-2023-40745.patch diff --git a/meta/recipes-multimedia/libtiff/files/CVE-2023-40745.patch b/meta/recipes-multimedia/libtiff/files/CVE-2023-40745.patch new file mode 100644 index 0000000000..73f1f37bab --- /dev/null +++ b/meta/recipes-multimedia/libtiff/files/CVE-2023-40745.patch @@ -0,0 +1,35 @@ +From 4fc16f649fa2875d5c388cf2edc295510a247ee5 Mon Sep 17 00:00:00 2001 +From: Arie Haenel <[email protected]> +Date: Thu, 14 Sep 2023 04:31:35 +0000 +Subject: [PATCH] tiffcp: fix memory corruption (overflow) on hostile images + (fixes #591) + +CVE: CVE-2023-40745 + +Upstream-Status: Backport [https://gitlab.com/libtiff/libtiff/-/commit/4fc16f649fa2875d5c388cf2edc295510a247ee5] + +Signed-off-by: Yogita Urade <[email protected]> +--- + tools/tiffcp.c | 7 +++++++ + 1 file changed, 7 insertions(+) + +diff --git a/tools/tiffcp.c b/tools/tiffcp.c +index 3b2d1dd..57fa6e8 100644 +--- a/tools/tiffcp.c ++++ b/tools/tiffcp.c +@@ -1754,6 +1754,13 @@ DECLAREreadFunc(readSeparateTilesIntoBuffer) + "Width * Samples/Pixel)"); + return 0; + } ++ ++ if ( (imagew - tilew * spp) > INT_MAX ){ ++ TIFFError(TIFFFileName(in), ++ "Error, image raster scan line size is too large"); ++ return 0; ++ } ++ + iskew = imagew - tilew * spp; + tilebuf = limitMalloc(tilesize); + if (tilebuf == 0) +-- +2.35.5 diff --git a/meta/recipes-multimedia/libtiff/tiff_4.5.1.bb b/meta/recipes-multimedia/libtiff/tiff_4.5.1.bb index 5af3f84265..9cd790a2da 100644 --- a/meta/recipes-multimedia/libtiff/tiff_4.5.1.bb +++ b/meta/recipes-multimedia/libtiff/tiff_4.5.1.bb @@ -8,7 +8,9 @@ LIC_FILES_CHKSUM = "file://LICENSE.md;md5=a3e32d664d6db1386b4689c8121531c3" CVE_PRODUCT = "libtiff" -SRC_URI = "http://download.osgeo.org/libtiff/tiff-${PV}.tar.gz"; +SRC_URI = "http://download.osgeo.org/libtiff/tiff-${PV}.tar.gz \ + file://CVE-2023-40745.patch \ + " SRC_URI[sha256sum] = "d7f38b6788e4a8f5da7940c5ac9424f494d8a79eba53d555f4a507167dca5e2b" -- 2.34.1
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