1 files changed, 53 insertions, 0 deletions

diff --git a/meta/recipes-multimedia/libtiff/files/CVE-2023-52356.patch b/meta/recipes-multimedia/libtiff/files/CVE-2023-52356.patch
new file mode 100644
index 0000000000..1b651e6529
--- /dev/null
+++ b/meta/recipes-multimedia/libtiff/files/CVE-2023-52356.patch
@@ -0,0 +1,53 @@
+[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)
+
+Upstream-Status: Backport [import from ubuntu https://git.launchpad.net/ubuntu/+source/tiff/tree/debian/patches/CVE-2023-52356.patch?h=ubuntu/focal-security
+Upstream commit  https://gitlab.com/libtiff/libtiff/-/commit/51558511bdbbcffdce534db21dbaf5d54b31638a]
+CVE: CVE-2023-52356
+Signed-off-by: Vijay Anusuri <vanusuri@mvista.com>
+---
+ libtiff/tif_getimage.c | 15 +++++++++++++++
+ 1 file changed, 15 insertions(+)
+
+
+--- tiff-4.1.0+git191117.orig/libtiff/tif_getimage.c
++++ tiff-4.1.0+git191117/libtiff/tif_getimage.c
+@@ -2926,6 +2926,13 @@ TIFFReadRGBAStripExt(TIFF* tif, uint32 r
+     }
+ 
+     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;
+@@ -3002,6 +3009,14 @@ TIFFReadRGBATileExt(TIFF* tif, uint32 co
+            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