tiff: Add backports for two CVEs from upstream

Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

4 files changed, 65 insertions, 1 deletions

diff --git a/meta/recipes-multimedia/libtiff/files/0001-tiffset-fix-global-buffer-overflow-for-ASCII-tags-wh.patch b/meta/recipes-multimedia/libtiff/tiff/0001-tiffset-fix-global-buffer-overflow-for-ASCII-tags-wh.patch
index 72776f09ba..72776f09ba 100644
--- a/meta/recipes-multimedia/libtiff/files/0001-tiffset-fix-global-buffer-overflow-for-ASCII-tags-wh.patch
+++ b/meta/recipes-multimedia/libtiff/tiff/0001-tiffset-fix-global-buffer-overflow-for-ASCII-tags-wh.patch
diff --git a/meta/recipes-multimedia/libtiff/tiff/561599c99f987dc32ae110370cfdd7df7975586b.patch b/meta/recipes-multimedia/libtiff/tiff/561599c99f987dc32ae110370cfdd7df7975586b.patch
new file mode 100644
index 0000000000..0b41dde606
--- /dev/null
+++ b/meta/recipes-multimedia/libtiff/tiff/561599c99f987dc32ae110370cfdd7df7975586b.patch
@@ -0,0 +1,30 @@
+From 561599c99f987dc32ae110370cfdd7df7975586b Mon Sep 17 00:00:00 2001
+From: Even Rouault <even.rouault@spatialys.com>
+Date: Sat, 5 Feb 2022 20:36:41 +0100
+Subject: [PATCH] TIFFReadDirectory(): avoid calling memcpy() with a null
+ source pointer and size of zero (fixes #362)
+
+Upstream-Status: Backport
+CVE: CVE-2022-0562
+
+---
+ libtiff/tif_dirread.c | 3 ++-
+ 1 file changed, 2 insertions(+), 1 deletion(-)
+
+diff --git a/libtiff/tif_dirread.c b/libtiff/tif_dirread.c
+index 2bbc4585..23194ced 100644
+--- a/libtiff/tif_dirread.c
++++ b/libtiff/tif_dirread.c
+@@ -4177,7 +4177,8 @@ TIFFReadDirectory(TIFF* tif)
+                     goto bad;
+                 }
+ 
+-                memcpy(new_sampleinfo, tif->tif_dir.td_sampleinfo, old_extrasamples * sizeof(uint16_t));
++                if (old_extrasamples > 0)
++                    memcpy(new_sampleinfo, tif->tif_dir.td_sampleinfo, old_extrasamples * sizeof(uint16_t));
+                 _TIFFsetShortArray(&tif->tif_dir.td_sampleinfo, new_sampleinfo, tif->tif_dir.td_extrasamples);
+                 _TIFFfree(new_sampleinfo);
+         }
+-- 
+GitLab
+
diff --git a/meta/recipes-multimedia/libtiff/tiff/eecb0712f4c3a5b449f70c57988260a667ddbdef.patch b/meta/recipes-multimedia/libtiff/tiff/eecb0712f4c3a5b449f70c57988260a667ddbdef.patch
new file mode 100644
index 0000000000..74f9649fdf
--- /dev/null
+++ b/meta/recipes-multimedia/libtiff/tiff/eecb0712f4c3a5b449f70c57988260a667ddbdef.patch
@@ -0,0 +1,32 @@
+From eecb0712f4c3a5b449f70c57988260a667ddbdef Mon Sep 17 00:00:00 2001
+From: Even Rouault <even.rouault@spatialys.com>
+Date: Sun, 6 Feb 2022 13:08:38 +0100
+Subject: [PATCH] TIFFFetchStripThing(): avoid calling memcpy() with a null
+ source pointer and size of zero (fixes #362)
+
+Upstream-Status: Backport
+CVE: CVE-2022-0561
+
+---
+ libtiff/tif_dirread.c | 5 +++--
+ 1 file changed, 3 insertions(+), 2 deletions(-)
+
+diff --git a/libtiff/tif_dirread.c b/libtiff/tif_dirread.c
+index 23194ced..50ebf8ac 100644
+--- a/libtiff/tif_dirread.c
++++ b/libtiff/tif_dirread.c
+@@ -5777,8 +5777,9 @@ TIFFFetchStripThing(TIFF* tif, TIFFDirEntry* dir, uint32_t nstrips, uint64_t** l
+ 			_TIFFfree(data);
+ 			return(0);
+ 		}
+-                _TIFFmemcpy(resizeddata,data, (uint32_t)dir->tdir_count * sizeof(uint64_t));
+-                _TIFFmemset(resizeddata+(uint32_t)dir->tdir_count, 0, (nstrips - (uint32_t)dir->tdir_count) * sizeof(uint64_t));
++		if( dir->tdir_count )
++			_TIFFmemcpy(resizeddata,data, (uint32_t)dir->tdir_count * sizeof(uint64_t));
++		_TIFFmemset(resizeddata+(uint32_t)dir->tdir_count, 0, (nstrips - (uint32_t)dir->tdir_count) * sizeof(uint64_t));
+ 		_TIFFfree(data);
+ 		data=resizeddata;
+ 	}
+-- 
+GitLab
+
diff --git a/meta/recipes-multimedia/libtiff/tiff_4.3.0.bb b/meta/recipes-multimedia/libtiff/tiff_4.3.0.bb
index ef8e8460fb..86b55ad284 100644
--- a/meta/recipes-multimedia/libtiff/tiff_4.3.0.bb
+++ b/meta/recipes-multimedia/libtiff/tiff_4.3.0.bb
@@ -9,7 +9,9 @@ LIC_FILES_CHKSUM = "file://COPYRIGHT;md5=34da3db46fab7501992f9615d7e158cf"
 CVE_PRODUCT = "libtiff"
 
 SRC_URI = "http://download.osgeo.org/libtiff/tiff-${PV}.tar.gz \
-           file://0001-tiffset-fix-global-buffer-overflow-for-ASCII-tags-wh.patch"
+           file://0001-tiffset-fix-global-buffer-overflow-for-ASCII-tags-wh.patch \
+           file://561599c99f987dc32ae110370cfdd7df7975586b.patch \
+           file://eecb0712f4c3a5b449f70c57988260a667ddbdef.patch"
 
 SRC_URI[sha256sum] = "0e46e5acb087ce7d1ac53cf4f56a09b221537fc86dfc5daaad1c2e89e1b37ac8"