M gnu/local.mk => gnu/local.mk +2 -0
@@ 783,6 783,8 @@ dist_patch_DATA = \
%D%/packages/patches/libtiff-null-dereference.patch \
%D%/packages/patches/libtiff-tiffcp-underflow.patch \
%D%/packages/patches/libtiff-tiffgetfield-bugs.patch \
+ %D%/packages/patches/libtiff-tiffycbcrtorgb-integer-overflow.patch \
+ %D%/packages/patches/libtiff-tiffycbcrtorgbinit-integer-overflow.patch \
%D%/packages/patches/libtirpc-CVE-2017-8779.patch \
%D%/packages/patches/libtorrent-rasterbar-boost-compat.patch \
%D%/packages/patches/libtool-skip-tests2.patch \
M gnu/packages/image.scm => gnu/packages/image.scm +3 -1
@@ 393,7 393,9 @@ collection of tools for doing simple manipulations of TIFF images.")
version ".tar.gz"))
(patches (search-patches "libtiff-tiffgetfield-bugs.patch"
"libtiff-CVE-2016-10688.patch"
- "libtiff-CVE-2017-9936.patch"))
+ "libtiff-CVE-2017-9936.patch"
+ "libtiff-tiffycbcrtorgb-integer-overflow.patch"
+ "libtiff-tiffycbcrtorgbinit-integer-overflow.patch"))
(sha256
(base32
"0419mh6kkhz5fkyl77gv0in8x4d2jpdpfs147y8mj86rrjlabmsr"))))))
A gnu/packages/patches/libtiff-tiffycbcrtorgb-integer-overflow.patch => gnu/packages/patches/libtiff-tiffycbcrtorgb-integer-overflow.patch +57 -0
@@ 0,0 1,57 @@
+Fix an integer overflow TIFFYCbCrtoRGB():
+
+https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=1844
+
+3rd party Git reference:
+
+https://github.com/vadz/libtiff/commit/02669064e927074819ce1ed39aba0fccaa167717
+
+2017-05-29 Even Rouault <even.rouault at spatialys.com>
+
+ * libtiff/tif_color.c: TIFFYCbCrToRGBInit(): stricter clamping to avoid
+ int32 overflow in TIFFYCbCrtoRGB().
+ Fixes https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=1844
+ Credit to OSS Fuzz
+
+
+/cvs/maptools/cvsroot/libtiff/ChangeLog,v <-- ChangeLog
+new revision: 1.1241; previous revision: 1.1240
+/cvs/maptools/cvsroot/libtiff/libtiff/tif_color.c,v <-- libtiff/tif_color.c
+new revision: 1.24; previous revision: 1.23
+
+Index: libtiff/libtiff/tif_color.c
+===================================================================
+RCS file: /cvs/maptools/cvsroot/libtiff/libtiff/tif_color.c,v
+retrieving revision 1.23
+retrieving revision 1.24
+diff -u -r1.23 -r1.24
+--- libtiff/libtiff/tif_color.c 13 May 2017 18:17:34 -0000 1.23
++++ libtiff/libtiff/tif_color.c 29 May 2017 10:12:54 -0000 1.24
+@@ -1,4 +1,4 @@
+-/* $Id: tif_color.c,v 1.23 2017-05-13 18:17:34 erouault Exp $ */
++/* $Id: tif_color.c,v 1.24 2017-05-29 10:12:54 erouault Exp $ */
+
+ /*
+ * Copyright (c) 1988-1997 Sam Leffler
+@@ -275,10 +275,10 @@
+ for (i = 0, x = -128; i < 256; i++, x++) {
+ int32 Cr = (int32)CLAMPw(Code2V(x, refBlackWhite[4] - 128.0F,
+ refBlackWhite[5] - 128.0F, 127),
+- -128.0F * 64, 128.0F * 64);
++ -128.0F * 32, 128.0F * 32);
+ int32 Cb = (int32)CLAMPw(Code2V(x, refBlackWhite[2] - 128.0F,
+ refBlackWhite[3] - 128.0F, 127),
+- -128.0F * 64, 128.0F * 64);
++ -128.0F * 32, 128.0F * 32);
+
+ ycbcr->Cr_r_tab[i] = (int32)((D1*Cr + ONE_HALF)>>SHIFT);
+ ycbcr->Cb_b_tab[i] = (int32)((D3*Cb + ONE_HALF)>>SHIFT);
+@@ -286,7 +286,7 @@
+ ycbcr->Cb_g_tab[i] = D4*Cb + ONE_HALF;
+ ycbcr->Y_tab[i] =
+ (int32)CLAMPw(Code2V(x + 128, refBlackWhite[0], refBlackWhite[1], 255),
+- -128.0F * 64, 128.0F * 64);
++ -128.0F * 32, 128.0F * 32);
+ }
+ }
+
A gnu/packages/patches/libtiff-tiffycbcrtorgbinit-integer-overflow.patch => gnu/packages/patches/libtiff-tiffycbcrtorgbinit-integer-overflow.patch +43 -0
@@ 0,0 1,43 @@
+Fix an integer overflow in initYCbCrConversion():
+
+https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=1907
+
+3rd party Git reference
+
+https://github.com/vadz/libtiff/commit/468988860e0dae62ebbf991627c74bcbb4bd256f
+
+ * libtiff/tif_getimage.c: initYCbCrConversion(): stricter validation for
+ refBlackWhite coefficients values. To avoid invalid float->int32 conversion
+ (when refBlackWhite[0] == 2147483648.f)
+ Fixes https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=1907
+ Credit to OSS Fuzz
+
+
+/cvs/maptools/cvsroot/libtiff/ChangeLog,v <-- ChangeLog
+new revision: 1.1243; previous revision: 1.1242
+/cvs/maptools/cvsroot/libtiff/libtiff/tif_getimage.c,v <-- libtiff/tif_getimage.c
+new revision: 1.107; previous revision: 1.106
+
+Index: libtiff/libtiff/tif_getimage.c
+===================================================================
+RCS file: /cvs/maptools/cvsroot/libtiff/libtiff/tif_getimage.c,v
+retrieving revision 1.106
+retrieving revision 1.107
+diff -u -r1.106 -r1.107
+--- libtiff/libtiff/tif_getimage.c 20 May 2017 11:29:02 -0000 1.106
++++ libtiff/libtiff/tif_getimage.c 29 May 2017 11:29:06 -0000 1.107
+@@ -1,4 +1,4 @@
+-/* $Id: tif_getimage.c,v 1.106 2017-05-20 11:29:02 erouault Exp $ */
++/* $Id: tif_getimage.c,v 1.107 2017-05-29 11:29:06 erouault Exp $ */
+
+ /*
+ * Copyright (c) 1991-1997 Sam Leffler
+@@ -2241,7 +2241,7 @@
+
+ static int isInRefBlackWhiteRange(float f)
+ {
+- return f >= (float)(-0x7FFFFFFF + 128) && f <= (float)0x7FFFFFFF;
++ return f > (float)(-0x7FFFFFFF + 128) && f < (float)0x7FFFFFFF;
+ }
+
+ static int