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-rw-r--r--gnu/packages/patches/libtiff-CVE-2016-3991.patch123
1 files changed, 0 insertions, 123 deletions
diff --git a/gnu/packages/patches/libtiff-CVE-2016-3991.patch b/gnu/packages/patches/libtiff-CVE-2016-3991.patch
deleted file mode 100644
index cb05f0007f..0000000000
--- a/gnu/packages/patches/libtiff-CVE-2016-3991.patch
+++ /dev/null
@@ -1,123 +0,0 @@
-Fix CVE-2016-3991 (out-of-bounds write in loadImage()).
-
-https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-3991
-http://bugzilla.maptools.org/show_bug.cgi?id=2543
-
-Patch extracted from upstream CVS repo with:
-$ cvs diff -u -r1.37 -r1.38 tools/tiffcrop.c
-
-Index: tools/tiffcrop.c
-===================================================================
-RCS file: /cvs/maptools/cvsroot/libtiff/tools/tiffcrop.c,v
-retrieving revision 1.37
-retrieving revision 1.38
-diff -u -r1.37 -r1.38
---- libtiff/tools/tiffcrop.c 11 Jul 2016 21:38:31 -0000 1.37
-+++ libtiff/tools/tiffcrop.c 15 Aug 2016 21:05:40 -0000 1.38
-@@ -798,6 +798,11 @@
- }
-
- tile_buffsize = tilesize;
-+ if (tilesize == 0 || tile_rowsize == 0)
-+ {
-+ TIFFError("readContigTilesIntoBuffer", "Tile size or tile rowsize is zero");
-+ exit(-1);
-+ }
-
- if (tilesize < (tsize_t)(tl * tile_rowsize))
- {
-@@ -807,7 +812,12 @@
- tilesize, tl * tile_rowsize);
- #endif
- tile_buffsize = tl * tile_rowsize;
-- }
-+ if (tl != (tile_buffsize / tile_rowsize))
-+ {
-+ TIFFError("readContigTilesIntoBuffer", "Integer overflow when calculating buffer size.");
-+ exit(-1);
-+ }
-+ }
-
- tilebuf = _TIFFmalloc(tile_buffsize);
- if (tilebuf == 0)
-@@ -1210,6 +1220,12 @@
- !TIFFGetField(out, TIFFTAG_BITSPERSAMPLE, &bps) )
- return 1;
-
-+ if (tilesize == 0 || tile_rowsize == 0 || tl == 0 || tw == 0)
-+ {
-+ TIFFError("writeBufferToContigTiles", "Tile size, tile row size, tile width, or tile length is zero");
-+ exit(-1);
-+ }
-+
- tile_buffsize = tilesize;
- if (tilesize < (tsize_t)(tl * tile_rowsize))
- {
-@@ -1219,6 +1235,11 @@
- tilesize, tl * tile_rowsize);
- #endif
- tile_buffsize = tl * tile_rowsize;
-+ if (tl != tile_buffsize / tile_rowsize)
-+ {
-+ TIFFError("writeBufferToContigTiles", "Integer overflow when calculating buffer size");
-+ exit(-1);
-+ }
- }
-
- tilebuf = _TIFFmalloc(tile_buffsize);
-@@ -5945,12 +5966,27 @@
- TIFFGetField(in, TIFFTAG_TILELENGTH, &tl);
-
- tile_rowsize = TIFFTileRowSize(in);
-+ if (ntiles == 0 || tlsize == 0 || tile_rowsize == 0)
-+ {
-+ TIFFError("loadImage", "File appears to be tiled, but the number of tiles, tile size, or tile rowsize is zero.");
-+ exit(-1);
-+ }
- buffsize = tlsize * ntiles;
-+ if (tlsize != (buffsize / ntiles))
-+ {
-+ TIFFError("loadImage", "Integer overflow when calculating buffer size");
-+ exit(-1);
-+ }
-
--
- if (buffsize < (uint32)(ntiles * tl * tile_rowsize))
- {
- buffsize = ntiles * tl * tile_rowsize;
-+ if (ntiles != (buffsize / tl / tile_rowsize))
-+ {
-+ TIFFError("loadImage", "Integer overflow when calculating buffer size");
-+ exit(-1);
-+ }
-+
- #ifdef DEBUG2
- TIFFError("loadImage",
- "Tilesize %u is too small, using ntiles * tilelength * tilerowsize %lu",
-@@ -5969,8 +6005,25 @@
- TIFFGetFieldDefaulted(in, TIFFTAG_ROWSPERSTRIP, &rowsperstrip);
- stsize = TIFFStripSize(in);
- nstrips = TIFFNumberOfStrips(in);
-+ if (nstrips == 0 || stsize == 0)
-+ {
-+ TIFFError("loadImage", "File appears to be striped, but the number of stipes or stripe size is zero.");
-+ exit(-1);
-+ }
-+
- buffsize = stsize * nstrips;
--
-+ if (stsize != (buffsize / nstrips))
-+ {
-+ TIFFError("loadImage", "Integer overflow when calculating buffer size");
-+ exit(-1);
-+ }
-+ uint32 buffsize_check;
-+ buffsize_check = ((length * width * spp * bps) + 7);
-+ if (length != ((buffsize_check - 7) / width / spp / bps))
-+ {
-+ TIFFError("loadImage", "Integer overflow detected.");
-+ exit(-1);
-+ }
- if (buffsize < (uint32) (((length * width * spp * bps) + 7) / 8))
- {
- buffsize = ((length * width * spp * bps) + 7) / 8;