]> git.ipfire.org Git - thirdparty/openembedded/openembedded-core.git/commitdiff
tiff: Security fix for CVE-2023-40745
authorHitendra Prajapati <hprajapati@mvista.com>
Tue, 7 Nov 2023 05:42:20 +0000 (11:12 +0530)
committerSteve Sakoman <steve@sakoman.com>
Mon, 13 Nov 2023 15:34:11 +0000 (05:34 -1000)
Upstream-Status: Backport from https://gitlab.com/libtiff/libtiff/-/commit/4fc16f649fa2875d5c388cf2edc295510a247ee5

Signed-off-by: Hitendra Prajapati <hprajapati@mvista.com>
Signed-off-by: Steve Sakoman <steve@sakoman.com>
meta/recipes-multimedia/libtiff/files/CVE-2023-40745.patch [new file with mode: 0644]
meta/recipes-multimedia/libtiff/tiff_4.1.0.bb

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 (file)
index 0000000..6eb2860
--- /dev/null
@@ -0,0 +1,34 @@
+From 4fc16f649fa2875d5c388cf2edc295510a247ee5 Mon Sep 17 00:00:00 2001
+From: Arie Haenel <arie.haenel@jct.ac.il>
+Date: Wed, 19 Jul 2023 19:34:25 +0000
+Subject: [PATCH] tiffcp: fix memory corruption (overflow) on hostile images
+ (fixes #591)
+
+Upstream-Status: Backport from [https://gitlab.com/libtiff/libtiff/-/commit/4fc16f649fa2875d5c388cf2edc295510a247ee5]
+CVE: CVE-2023-40745
+Signed-off-by: Hitendra Prajapati <hprajapati@mvista.com>
+---
+ tools/tiffcp.c | 7 +++++++
+ 1 file changed, 7 insertions(+)
+
+diff --git a/tools/tiffcp.c b/tools/tiffcp.c
+index 83b3910..007bd05 100644
+--- a/tools/tiffcp.c
++++ b/tools/tiffcp.c
+@@ -1437,6 +1437,13 @@ DECLAREreadFunc(readSeparateTilesIntoBuffer)
+               TIFFError(TIFFFileName(in), "Error, cannot handle that much samples per tile row (Tile 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 = _TIFFmalloc(tilesize);
+       if (tilebuf == 0)
+-- 
+2.25.1
+
index d27381b4cd31a837af3d6b4bf46912cc6a1f36c4..31e7db19aaa6eb609d1110f4f3329f1cc5ab8355 100644 (file)
@@ -45,6 +45,7 @@ SRC_URI = "http://download.osgeo.org/libtiff/tiff-${PV}.tar.gz \
            file://CVE-2023-3316.patch \
            file://CVE-2023-3576.patch \
            file://CVE-2023-3618.patch \
+           file://CVE-2023-40745.patch \
           "
 SRC_URI[md5sum] = "2165e7aba557463acc0664e71a3ed424"
 SRC_URI[sha256sum] = "5d29f32517dadb6dbcd1255ea5bbc93a2b54b94fbf83653b4d65c7d6775b8634"