diff options
Diffstat (limited to 'gnu/packages/patches/libtiff-heap-overflow-tiffcp.patch')
| -rw-r--r-- | gnu/packages/patches/libtiff-heap-overflow-tiffcp.patch | 67 |
1 files changed, 0 insertions, 67 deletions
diff --git a/gnu/packages/patches/libtiff-heap-overflow-tiffcp.patch b/gnu/packages/patches/libtiff-heap-overflow-tiffcp.patch deleted file mode 100644 index f0fef08bf3..0000000000 --- a/gnu/packages/patches/libtiff-heap-overflow-tiffcp.patch +++ /dev/null @@ -1,67 +0,0 @@ -Fix heap buffer overflow in tiffcp when parsing number of inks: - -http://bugzilla.maptools.org/show_bug.cgi?id=2599 - -2016-12-03 Even Rouault <even.rouault at spatialys.com> - - * tools/tif_dir.c: when TIFFGetField(, TIFFTAG_NUMBEROFINKS, ) is -called, - limit the return number of inks to SamplesPerPixel, so that code that -parses - ink names doesn't go past the end of the buffer. - Reported by Agostino Sarubbo. - Fixes http://bugzilla.maptools.org/show_bug.cgi?id=2599 - - -/cvs/maptools/cvsroot/libtiff/ChangeLog,v <-- ChangeLog -new revision: 1.1184; previous revision: 1.1183 -/cvs/maptools/cvsroot/libtiff/libtiff/tif_dir.c,v <-- libtiff/tif_dir.c -new revision: 1.128; previous revision: 1.127 - -Index: libtiff/libtiff/tif_dir.c -=================================================================== -RCS file: /cvs/maptools/cvsroot/libtiff/libtiff/tif_dir.c,v -retrieving revision 1.127 -retrieving revision 1.128 -diff -u -r1.127 -r1.128 ---- libtiff/libtiff/tif_dir.c 25 Oct 2016 21:35:15 -0000 1.127 -+++ libtiff/libtiff/tif_dir.c 3 Dec 2016 15:30:31 -0000 1.128 -@@ -1,4 +1,4 @@ --/* $Id: tif_dir.c,v 1.127 2016-10-25 21:35:15 erouault Exp $ */ -+/* $Id: tif_dir.c,v 1.128 2016-12-03 15:30:31 erouault Exp $ */ - - /* - * Copyright (c) 1988-1997 Sam Leffler -@@ -854,6 +854,32 @@ - if( fip == NULL ) /* cannot happen since TIFFGetField() already checks it */ - return 0; - -+ if( tag == TIFFTAG_NUMBEROFINKS ) -+ { -+ int i; -+ for (i = 0; i < td->td_customValueCount; i++) { -+ uint16 val; -+ TIFFTagValue *tv = td->td_customValues + i; -+ if (tv->info->field_tag != tag) -+ continue; -+ val = *(uint16 *)tv->value; -+ /* Truncate to SamplesPerPixel, since the */ -+ /* setting code for INKNAMES assume that there are SamplesPerPixel */ -+ /* inknames. */ -+ /* Fixes http://bugzilla.maptools.org/show_bug.cgi?id=2599 */ -+ if( val > td->td_samplesperpixel ) -+ { -+ TIFFWarningExt(tif->tif_clientdata,"_TIFFVGetField", -+ "Truncating NumberOfInks from %u to %u", -+ val, td->td_samplesperpixel); -+ val = td->td_samplesperpixel; -+ } -+ *va_arg(ap, uint16*) = val; -+ return 1; -+ } -+ return 0; -+ } -+ - /* - * We want to force the custom code to be used for custom - * fields even if the tag happens to match a well known |