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-rw-r--r--meta/recipes-multimedia/libtiff/tiff/CVE-2023-52356.patch54
1 files changed, 54 insertions, 0 deletions
diff --git a/meta/recipes-multimedia/libtiff/tiff/CVE-2023-52356.patch b/meta/recipes-multimedia/libtiff/tiff/CVE-2023-52356.patch
new file mode 100644
index 0000000000..4eb7d79c8f
--- /dev/null
+++ b/meta/recipes-multimedia/libtiff/tiff/CVE-2023-52356.patch
@@ -0,0 +1,54 @@
+CVE: CVE-2023-52356
+Upstream-Status: Backport [upstream : https://gitlab.com/libtiff/libtiff/-/commit/51558511bdbbcffdce534db21dbaf5d54b31638a
+ubuntu : http://archive.ubuntu.com/ubuntu/pool/main/t/tiff/tiff_4.3.0-6ubuntu0.8.debian.tar.xz ]
+Signed-off-by: Lee Chee Yang <chee.yang.lee@intel.com>
+
+[Ubuntu note: Backport of the following patch from upstream, with a few changes
+to match the current version of the file in the present Ubuntu release:
+ . using TIFFErrorExt instead of TIFFErrorExtR (the latter did not exist yet);
+-- Rodrigo Figueiredo Zaiden]
+
+Backport of:
+
+From 51558511bdbbcffdce534db21dbaf5d54b31638a Mon Sep 17 00:00:00 2001
+From: Even Rouault <even.rouault@spatialys.com>
+Date: Tue, 31 Oct 2023 15:58:41 +0100
+Subject: [PATCH] TIFFReadRGBAStrip/TIFFReadRGBATile: add more validation of
+ col/row (fixes #622)
+
+---
+ libtiff/tif_getimage.c | 15 +++++++++++++++
+ 1 file changed, 15 insertions(+)
+
+
+--- tiff-4.3.0.orig/libtiff/tif_getimage.c
++++ tiff-4.3.0/libtiff/tif_getimage.c
+@@ -2942,6 +2942,13 @@ TIFFReadRGBAStripExt(TIFF* tif, uint32_t
+ }
+
+ if (TIFFRGBAImageOK(tif, emsg) && TIFFRGBAImageBegin(&img, tif, stop_on_error, emsg)) {
++ if (row >= img.height)
++ {
++ TIFFErrorExt(tif->tif_clientdata, TIFFFileName(tif),
++ "Invalid row passed to TIFFReadRGBAStrip().");
++ TIFFRGBAImageEnd(&img);
++ return (0);
++ }
+
+ img.row_offset = row;
+ img.col_offset = 0;
+@@ -3018,6 +3025,14 @@ TIFFReadRGBATileExt(TIFF* tif, uint32_t
+ return( 0 );
+ }
+
++ if (col >= img.width || row >= img.height)
++ {
++ TIFFErrorExt(tif->tif_clientdata, TIFFFileName(tif),
++ "Invalid row/col passed to TIFFReadRGBATile().");
++ TIFFRGBAImageEnd(&img);
++ return (0);
++ }
++
+ /*
+ * The TIFFRGBAImageGet() function doesn't allow us to get off the
+ * edge of the image, even to fill an otherwise valid tile. So we