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authorJoe Slater <joe.slater@windriver.com>2019-11-06 10:45:53 -0800
committerArmin Kuster <akuster808@gmail.com>2019-11-10 13:54:34 -0800
commit6dc3813bda9aaf8eed5a5a3f74b27b6a32c9cb42 (patch)
tree10ae69fc8fc6173fd703bdb6c4a893a0e135f807
parent56f38b042d68528009283491b9d40c75f13b8f16 (diff)
downloadopenembedded-core-contrib-6dc3813bda9aaf8eed5a5a3f74b27b6a32c9cb42.tar.gz
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openembedded-core-contrib-6dc3813bda9aaf8eed5a5a3f74b27b6a32c9cb42.zip
libtiff: fix CVE-2019-17546
Apply unmodified patch from upstream. Signed-off-by: Joe Slater <joe.slater@windriver.com> Signed-off-by: Ross Burton <ross.burton@intel.com> Signed-off-by: Anuj Mittal <anuj.mittal@intel.com>
-rw-r--r--meta/recipes-multimedia/libtiff/tiff/CVE-2019-17546.patch103
-rw-r--r--meta/recipes-multimedia/libtiff/tiff_4.0.10.bb1
2 files changed, 104 insertions, 0 deletions
diff --git a/meta/recipes-multimedia/libtiff/tiff/CVE-2019-17546.patch b/meta/recipes-multimedia/libtiff/tiff/CVE-2019-17546.patch
new file mode 100644
index 0000000000..04c5410930
--- /dev/null
+++ b/meta/recipes-multimedia/libtiff/tiff/CVE-2019-17546.patch
@@ -0,0 +1,103 @@
+libtiff: fix CVE-2019-17546
+
+Added after 4.0.10 release.
+
+CVE: CVE-2019-17546
+Upstream-Status: Backport [https://gitlab.com/libtiff/libtiff]
+Signed-off-by: Joe Slater <joe.slater@windriver.com>
+
+commit 4bb584a35f87af42d6cf09d15e9ce8909a839145
+Author: Even Rouault <even.rouault@spatialys.com>
+Date: Thu Aug 15 15:05:28 2019 +0200
+
+ RGBA interface: fix integer overflow potentially causing write heap buffer overflow, especially on 32 bit builds. Fixes https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=16443. Credit to OSS Fuzz
+
+diff --git a/libtiff/tif_getimage.c b/libtiff/tif_getimage.c
+index c88b5fa..4da785d 100644
+--- a/libtiff/tif_getimage.c
++++ b/libtiff/tif_getimage.c
+@@ -949,16 +949,23 @@ gtStripContig(TIFFRGBAImage* img, uint32* raster, uint32 w, uint32 h)
+ fromskew = (w < imagewidth ? imagewidth - w : 0);
+ for (row = 0; row < h; row += nrow)
+ {
++ uint32 temp;
+ rowstoread = rowsperstrip - (row + img->row_offset) % rowsperstrip;
+ nrow = (row + rowstoread > h ? h - row : rowstoread);
+ nrowsub = nrow;
+ if ((nrowsub%subsamplingver)!=0)
+ nrowsub+=subsamplingver-nrowsub%subsamplingver;
++ temp = (row + img->row_offset)%rowsperstrip + nrowsub;
++ if( scanline > 0 && temp > (size_t)(TIFF_TMSIZE_T_MAX / scanline) )
++ {
++ TIFFErrorExt(tif->tif_clientdata, TIFFFileName(tif), "Integer overflow in gtStripContig");
++ return 0;
++ }
+ if (_TIFFReadEncodedStripAndAllocBuffer(tif,
+ TIFFComputeStrip(tif,row+img->row_offset, 0),
+ (void**)(&buf),
+ maxstripsize,
+- ((row + img->row_offset)%rowsperstrip + nrowsub) * scanline)==(tmsize_t)(-1)
++ temp * scanline)==(tmsize_t)(-1)
+ && (buf == NULL || img->stoponerr))
+ {
+ ret = 0;
+@@ -1051,15 +1058,22 @@ gtStripSeparate(TIFFRGBAImage* img, uint32* raster, uint32 w, uint32 h)
+ fromskew = (w < imagewidth ? imagewidth - w : 0);
+ for (row = 0; row < h; row += nrow)
+ {
++ uint32 temp;
+ rowstoread = rowsperstrip - (row + img->row_offset) % rowsperstrip;
+ nrow = (row + rowstoread > h ? h - row : rowstoread);
+ offset_row = row + img->row_offset;
++ temp = (row + img->row_offset)%rowsperstrip + nrow;
++ if( scanline > 0 && temp > (size_t)(TIFF_TMSIZE_T_MAX / scanline) )
++ {
++ TIFFErrorExt(tif->tif_clientdata, TIFFFileName(tif), "Integer overflow in gtStripSeparate");
++ return 0;
++ }
+ if( buf == NULL )
+ {
+ if (_TIFFReadEncodedStripAndAllocBuffer(
+ tif, TIFFComputeStrip(tif, offset_row, 0),
+ (void**) &buf, bufsize,
+- ((row + img->row_offset)%rowsperstrip + nrow) * scanline)==(tmsize_t)(-1)
++ temp * scanline)==(tmsize_t)(-1)
+ && (buf == NULL || img->stoponerr))
+ {
+ ret = 0;
+@@ -1079,7 +1093,7 @@ gtStripSeparate(TIFFRGBAImage* img, uint32* raster, uint32 w, uint32 h)
+ }
+ }
+ else if (TIFFReadEncodedStrip(tif, TIFFComputeStrip(tif, offset_row, 0),
+- p0, ((row + img->row_offset)%rowsperstrip + nrow) * scanline)==(tmsize_t)(-1)
++ p0, temp * scanline)==(tmsize_t)(-1)
+ && img->stoponerr)
+ {
+ ret = 0;
+@@ -1087,7 +1101,7 @@ gtStripSeparate(TIFFRGBAImage* img, uint32* raster, uint32 w, uint32 h)
+ }
+ if (colorchannels > 1
+ && TIFFReadEncodedStrip(tif, TIFFComputeStrip(tif, offset_row, 1),
+- p1, ((row + img->row_offset)%rowsperstrip + nrow) * scanline) == (tmsize_t)(-1)
++ p1, temp * scanline) == (tmsize_t)(-1)
+ && img->stoponerr)
+ {
+ ret = 0;
+@@ -1095,7 +1109,7 @@ gtStripSeparate(TIFFRGBAImage* img, uint32* raster, uint32 w, uint32 h)
+ }
+ if (colorchannels > 1
+ && TIFFReadEncodedStrip(tif, TIFFComputeStrip(tif, offset_row, 2),
+- p2, ((row + img->row_offset)%rowsperstrip + nrow) * scanline) == (tmsize_t)(-1)
++ p2, temp * scanline) == (tmsize_t)(-1)
+ && img->stoponerr)
+ {
+ ret = 0;
+@@ -1104,7 +1118,7 @@ gtStripSeparate(TIFFRGBAImage* img, uint32* raster, uint32 w, uint32 h)
+ if (alpha)
+ {
+ if (TIFFReadEncodedStrip(tif, TIFFComputeStrip(tif, offset_row, colorchannels),
+- pa, ((row + img->row_offset)%rowsperstrip + nrow) * scanline)==(tmsize_t)(-1)
++ pa, temp * scanline)==(tmsize_t)(-1)
+ && img->stoponerr)
+ {
+ ret = 0;
diff --git a/meta/recipes-multimedia/libtiff/tiff_4.0.10.bb b/meta/recipes-multimedia/libtiff/tiff_4.0.10.bb
index 0432763cce..5c008c53fe 100644
--- a/meta/recipes-multimedia/libtiff/tiff_4.0.10.bb
+++ b/meta/recipes-multimedia/libtiff/tiff_4.0.10.bb
@@ -8,6 +8,7 @@ SRC_URI = "http://download.osgeo.org/libtiff/tiff-${PV}.tar.gz \
file://CVE-2019-6128.patch \
file://CVE-2019-7663.patch \
file://CVE-2019-14973.patch \
+ file://CVE-2019-17546.patch \
"
SRC_URI[md5sum] = "114192d7ebe537912a2b97408832e7fd"
SRC_URI[sha256sum] = "2c52d11ccaf767457db0c46795d9c7d1a8d8f76f68b0b800a3dfe45786b996e4"