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libtiff: patch for CVE-2019-6128, CVE-2019-14973
CVE-2019-14973.patch is a manually backported of the upstream patch to work around some minor merge conflicts.
This commit is contained in:
Pierre Bourdon
Frederik Rietdijk
parent
d0c1ee588f
commit
f15564d72b
384
pkgs/development/libraries/libtiff/CVE-2019-14973.patch
Normal file
384
pkgs/development/libraries/libtiff/CVE-2019-14973.patch
Normal file
@ -0,0 +1,384 @@
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diff -ru tiff-4.0.10-orig/libtiff/tif_aux.c tiff-4.0.10/libtiff/tif_aux.c
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--- tiff-4.0.10-orig/libtiff/tif_aux.c 2017-12-02 16:21:47.305709555 +0100
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+++ tiff-4.0.10/libtiff/tif_aux.c 2019-10-02 22:35:17.392184463 +0200
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@@ -57,18 +57,57 @@
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return bytes;
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}
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+tmsize_t
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+_TIFFMultiplySSize(TIFF* tif, tmsize_t first, tmsize_t second, const char* where)
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+{
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+ if( first <= 0 || second <= 0 )
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+ {
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+ if( tif != NULL && where != NULL )
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+ {
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+ TIFFErrorExt(tif->tif_clientdata, where,
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+ "Invalid argument to _TIFFMultiplySSize() in %s", where);
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+ }
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+ return 0;
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+ }
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+
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+ if( first > TIFF_TMSIZE_T_MAX / second )
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+ {
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+ if( tif != NULL && where != NULL )
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+ {
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+ TIFFErrorExt(tif->tif_clientdata, where,
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+ "Integer overflow in %s", where);
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+ }
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+ return 0;
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+ }
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+ return first * second;
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+}
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+
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+tmsize_t _TIFFCastUInt64ToSSize(TIFF* tif, uint64 val, const char* module)
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+{
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+ if( val > (uint64)TIFF_TMSIZE_T_MAX )
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+ {
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+ if( tif != NULL && module != NULL )
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+ {
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+ TIFFErrorExt(tif->tif_clientdata,module,"Integer overflow");
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+ }
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+ return 0;
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+ }
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+ return (tmsize_t)val;
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+}
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+
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void*
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_TIFFCheckRealloc(TIFF* tif, void* buffer,
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tmsize_t nmemb, tmsize_t elem_size, const char* what)
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{
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void* cp = NULL;
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- tmsize_t bytes = nmemb * elem_size;
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-
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+ tmsize_t count = _TIFFMultiplySSize(tif, nmemb, elem_size, NULL);
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/*
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- * XXX: Check for integer overflow.
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+ * Check for integer overflow.
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*/
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- if (nmemb && elem_size && bytes / elem_size == nmemb)
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- cp = _TIFFrealloc(buffer, bytes);
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+ if (count != 0)
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+ {
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+ cp = _TIFFrealloc(buffer, count);
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+ }
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if (cp == NULL) {
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TIFFErrorExt(tif->tif_clientdata, tif->tif_name,
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diff -ru tiff-4.0.10-orig/libtiff/tiffiop.h tiff-4.0.10/libtiff/tiffiop.h
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--- tiff-4.0.10-orig/libtiff/tiffiop.h 2018-11-03 15:28:37.748910968 +0100
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+++ tiff-4.0.10/libtiff/tiffiop.h 2019-10-02 22:35:17.396184535 +0200
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@@ -77,6 +77,9 @@
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#define FALSE 0
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#endif
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+#define TIFF_SIZE_T_MAX ((size_t) ~ ((size_t)0))
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+#define TIFF_TMSIZE_T_MAX (tmsize_t)(TIFF_SIZE_T_MAX >> 1)
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+
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typedef struct client_info {
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struct client_info *next;
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void *data;
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@@ -258,7 +261,7 @@
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#define TIFFhowmany8_64(x) (((x)&0x07)?((uint64)(x)>>3)+1:(uint64)(x)>>3)
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#define TIFFroundup_64(x, y) (TIFFhowmany_64(x,y)*(y))
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-/* Safe multiply which returns zero if there is an integer overflow */
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+/* Safe multiply which returns zero if there is an *unsigned* integer overflow. This macro is not safe for *signed* integer types */
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#define TIFFSafeMultiply(t,v,m) ((((t)(m) != (t)0) && (((t)(((v)*(m))/(m))) == (t)(v))) ? (t)((v)*(m)) : (t)0)
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#define TIFFmax(A,B) ((A)>(B)?(A):(B))
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@@ -368,6 +371,8 @@
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extern uint32 _TIFFMultiply32(TIFF*, uint32, uint32, const char*);
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extern uint64 _TIFFMultiply64(TIFF*, uint64, uint64, const char*);
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+extern tmsize_t _TIFFMultiplySSize(TIFF*, tmsize_t, tmsize_t, const char*);
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+extern tmsize_t _TIFFCastUInt64ToSSize(TIFF*, uint64, const char*);
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extern void* _TIFFCheckMalloc(TIFF*, tmsize_t, tmsize_t, const char*);
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extern void* _TIFFCheckRealloc(TIFF*, void*, tmsize_t, tmsize_t, const char*);
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diff -ru tiff-4.0.10-orig/libtiff/tif_getimage.c tiff-4.0.10/libtiff/tif_getimage.c
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--- tiff-4.0.10-orig/libtiff/tif_getimage.c 2017-12-02 16:21:47.654716127 +0100
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+++ tiff-4.0.10/libtiff/tif_getimage.c 2019-10-02 22:35:17.393184481 +0200
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@@ -755,9 +755,8 @@
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uint32 leftmost_tw;
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tilesize = TIFFTileSize(tif);
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- bufsize = TIFFSafeMultiply(tmsize_t,alpha?4:3,tilesize);
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+ bufsize = _TIFFMultiplySSize(tif, alpha?4:3,tilesize, "gtTileSeparate");
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if (bufsize == 0) {
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- TIFFErrorExt(tif->tif_clientdata, TIFFFileName(tif), "Integer overflow in %s", "gtTileSeparate");
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return (0);
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}
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@@ -1019,9 +1018,8 @@
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uint16 colorchannels;
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stripsize = TIFFStripSize(tif);
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- bufsize = TIFFSafeMultiply(tmsize_t,alpha?4:3,stripsize);
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+ bufsize = _TIFFMultiplySSize(tif,alpha?4:3,stripsize, "gtStripSeparate");
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if (bufsize == 0) {
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- TIFFErrorExt(tif->tif_clientdata, TIFFFileName(tif), "Integer overflow in %s", "gtStripSeparate");
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return (0);
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}
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diff -ru tiff-4.0.10-orig/libtiff/tif_luv.c tiff-4.0.10/libtiff/tif_luv.c
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--- tiff-4.0.10-orig/libtiff/tif_luv.c 2018-05-05 15:50:35.884596907 +0200
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+++ tiff-4.0.10/libtiff/tif_luv.c 2019-10-02 22:35:17.393184481 +0200
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@@ -1264,16 +1264,10 @@
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return (SGILOGDATAFMT_UNKNOWN);
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}
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-
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-#define TIFF_SIZE_T_MAX ((size_t) ~ ((size_t)0))
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-#define TIFF_TMSIZE_T_MAX (tmsize_t)(TIFF_SIZE_T_MAX >> 1)
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-
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static tmsize_t
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multiply_ms(tmsize_t m1, tmsize_t m2)
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{
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- if( m1 == 0 || m2 > TIFF_TMSIZE_T_MAX / m1 )
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- return 0;
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- return m1 * m2;
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+ return _TIFFMultiplySSize(NULL, m1, m2, NULL);
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}
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static int
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diff -ru tiff-4.0.10-orig/libtiff/tif_pixarlog.c tiff-4.0.10/libtiff/tif_pixarlog.c
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--- tiff-4.0.10-orig/libtiff/tif_pixarlog.c 2017-12-02 16:21:47.841162432 +0100
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+++ tiff-4.0.10/libtiff/tif_pixarlog.c 2019-10-02 22:36:01.223970118 +0200
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@@ -634,15 +634,10 @@
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return guess;
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}
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-#define TIFF_SIZE_T_MAX ((size_t) ~ ((size_t)0))
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-#define TIFF_TMSIZE_T_MAX (tmsize_t)(TIFF_SIZE_T_MAX >> 1)
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-
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static tmsize_t
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multiply_ms(tmsize_t m1, tmsize_t m2)
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{
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- if( m1 == 0 || m2 > TIFF_TMSIZE_T_MAX / m1 )
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- return 0;
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- return m1 * m2;
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+ return _TIFFMultiplySSize(NULL, m1, m2, NULL);
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}
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static tmsize_t
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diff -ru tiff-4.0.10-orig/libtiff/tif_read.c tiff-4.0.10/libtiff/tif_read.c
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--- tiff-4.0.10-orig/libtiff/tif_read.c 2018-10-14 21:15:27.551093695 +0200
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+++ tiff-4.0.10/libtiff/tif_read.c 2019-10-02 22:41:09.387290927 +0200
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@@ -29,9 +29,6 @@
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#include "tiffiop.h"
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#include <stdio.h>
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-#define TIFF_SIZE_T_MAX ((size_t) ~ ((size_t)0))
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-#define TIFF_TMSIZE_T_MAX (tmsize_t)(TIFF_SIZE_T_MAX >> 1)
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-
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int TIFFFillStrip(TIFF* tif, uint32 strip);
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int TIFFFillTile(TIFF* tif, uint32 tile);
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static int TIFFStartStrip(TIFF* tif, uint32 strip);
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@@ -49,6 +46,8 @@
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#define THRESHOLD_MULTIPLIER 10
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#define MAX_THRESHOLD (THRESHOLD_MULTIPLIER * THRESHOLD_MULTIPLIER * THRESHOLD_MULTIPLIER * INITIAL_THRESHOLD)
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+#define TIFF_INT64_MAX ((((int64)0x7FFFFFFF) << 32) | 0xFFFFFFFF)
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+
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/* Read 'size' bytes in tif_rawdata buffer starting at offset 'rawdata_offset'
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* Returns 1 in case of success, 0 otherwise. */
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static int TIFFReadAndRealloc( TIFF* tif, tmsize_t size,
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@@ -734,23 +733,8 @@
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return ((tmsize_t)(-1));
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}
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bytecount = td->td_stripbytecount[strip];
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- if ((int64)bytecount <= 0) {
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-#if defined(__WIN32__) && (defined(_MSC_VER) || defined(__MINGW32__))
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- TIFFErrorExt(tif->tif_clientdata, module,
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- "%I64u: Invalid strip byte count, strip %lu",
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- (unsigned __int64) bytecount,
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- (unsigned long) strip);
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-#else
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- TIFFErrorExt(tif->tif_clientdata, module,
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- "%llu: Invalid strip byte count, strip %lu",
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- (unsigned long long) bytecount,
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- (unsigned long) strip);
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-#endif
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- return ((tmsize_t)(-1));
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- }
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- bytecountm = (tmsize_t)bytecount;
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- if ((uint64)bytecountm!=bytecount) {
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- TIFFErrorExt(tif->tif_clientdata, module, "Integer overflow");
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+ bytecountm = _TIFFCastUInt64ToSSize(tif, bytecount, module);
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+ if (bytecountm == 0) {
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return ((tmsize_t)(-1));
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}
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if (size != (tmsize_t)(-1) && size < bytecountm)
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@@ -774,7 +758,7 @@
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if ((tif->tif_flags&TIFF_NOREADRAW)==0)
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{
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uint64 bytecount = td->td_stripbytecount[strip];
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- if ((int64)bytecount <= 0) {
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+ if( bytecount == 0 || bytecount > (uint64)TIFF_INT64_MAX ) {
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#if defined(__WIN32__) && (defined(_MSC_VER) || defined(__MINGW32__))
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TIFFErrorExt(tif->tif_clientdata, module,
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"Invalid strip byte count %I64u, strip %lu",
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@@ -801,7 +785,7 @@
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(bytecount - 4096) / 10 > (uint64)stripsize )
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{
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uint64 newbytecount = (uint64)stripsize * 10 + 4096;
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- if( (int64)newbytecount >= 0 )
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+ if( newbytecount == 0 || newbytecount > (uint64)TIFF_INT64_MAX )
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{
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#if defined(__WIN32__) && (defined(_MSC_VER) || defined(__MINGW32__))
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TIFFWarningExt(tif->tif_clientdata, module,
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@@ -1196,10 +1180,8 @@
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bytecount64 = td->td_stripbytecount[tile];
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if (size != (tmsize_t)(-1) && (uint64)size < bytecount64)
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bytecount64 = (uint64)size;
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- bytecountm = (tmsize_t)bytecount64;
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- if ((uint64)bytecountm!=bytecount64)
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- {
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- TIFFErrorExt(tif->tif_clientdata,module,"Integer overflow");
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+ bytecountm = _TIFFCastUInt64ToSSize(tif, bytecount64, module);
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+ if( bytecountm == 0 ) {
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return ((tmsize_t)(-1));
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}
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return (TIFFReadRawTile1(tif, tile, buf, bytecountm, module));
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@@ -1221,7 +1203,7 @@
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if ((tif->tif_flags&TIFF_NOREADRAW)==0)
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{
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uint64 bytecount = td->td_stripbytecount[tile];
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- if ((int64)bytecount <= 0) {
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+ if( bytecount == 0 || bytecount > (uint64)TIFF_INT64_MAX ) {
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#if defined(__WIN32__) && (defined(_MSC_VER) || defined(__MINGW32__))
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TIFFErrorExt(tif->tif_clientdata, module,
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"%I64u: Invalid tile byte count, tile %lu",
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@@ -1248,7 +1230,7 @@
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(bytecount - 4096) / 10 > (uint64)stripsize )
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{
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uint64 newbytecount = (uint64)stripsize * 10 + 4096;
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- if( (int64)newbytecount >= 0 )
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+ if( newbytecount == 0 || newbytecount > (uint64)TIFF_INT64_MAX )
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{
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#if defined(__WIN32__) && (defined(_MSC_VER) || defined(__MINGW32__))
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TIFFWarningExt(tif->tif_clientdata, module,
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diff -ru tiff-4.0.10-orig/libtiff/tif_strip.c tiff-4.0.10/libtiff/tif_strip.c
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--- tiff-4.0.10-orig/libtiff/tif_strip.c 2017-12-02 16:21:47.947867167 +0100
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+++ tiff-4.0.10/libtiff/tif_strip.c 2019-10-02 22:35:17.395184517 +0200
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@@ -129,15 +129,8 @@
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{
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static const char module[] = "TIFFVStripSize";
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uint64 m;
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- tmsize_t n;
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m=TIFFVStripSize64(tif,nrows);
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- n=(tmsize_t)m;
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- if ((uint64)n!=m)
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- {
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- TIFFErrorExt(tif->tif_clientdata,module,"Integer overflow");
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- n=0;
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- }
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- return(n);
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+ return _TIFFCastUInt64ToSSize(tif, m, module);
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}
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/*
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@@ -211,15 +204,8 @@
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{
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static const char module[] = "TIFFStripSize";
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uint64 m;
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- tmsize_t n;
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m=TIFFStripSize64(tif);
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- n=(tmsize_t)m;
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- if ((uint64)n!=m)
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- {
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- TIFFErrorExt(tif->tif_clientdata,module,"Integer overflow");
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- n=0;
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- }
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- return(n);
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+ return _TIFFCastUInt64ToSSize(tif, m, module);
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}
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/*
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@@ -330,14 +316,8 @@
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{
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static const char module[] = "TIFFScanlineSize";
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uint64 m;
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- tmsize_t n;
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m=TIFFScanlineSize64(tif);
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- n=(tmsize_t)m;
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- if ((uint64)n!=m) {
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- TIFFErrorExt(tif->tif_clientdata,module,"Integer arithmetic overflow");
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- n=0;
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- }
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- return(n);
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+ return _TIFFCastUInt64ToSSize(tif, m, module);
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}
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/*
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@@ -366,15 +346,8 @@
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{
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static const char module[] = "TIFFRasterScanlineSize";
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uint64 m;
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- tmsize_t n;
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m=TIFFRasterScanlineSize64(tif);
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- n=(tmsize_t)m;
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- if ((uint64)n!=m)
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- {
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- TIFFErrorExt(tif->tif_clientdata,module,"Integer arithmetic overflow");
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- n=0;
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- }
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- return(n);
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+ return _TIFFCastUInt64ToSSize(tif, m, module);
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}
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/* vim: set ts=8 sts=8 sw=8 noet: */
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diff -ru tiff-4.0.10-orig/libtiff/tif_tile.c tiff-4.0.10/libtiff/tif_tile.c
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--- tiff-4.0.10-orig/libtiff/tif_tile.c 2017-12-02 16:21:47.993972977 +0100
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+++ tiff-4.0.10/libtiff/tif_tile.c 2019-10-02 22:35:17.395184517 +0200
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@@ -181,15 +181,8 @@
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{
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static const char module[] = "TIFFTileRowSize";
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uint64 m;
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- tmsize_t n;
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m=TIFFTileRowSize64(tif);
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- n=(tmsize_t)m;
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- if ((uint64)n!=m)
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- {
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- TIFFErrorExt(tif->tif_clientdata,module,"Integer overflow");
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- n=0;
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- }
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- return(n);
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+ return _TIFFCastUInt64ToSSize(tif, m, module);
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}
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/*
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@@ -248,15 +241,8 @@
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{
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static const char module[] = "TIFFVTileSize";
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uint64 m;
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- tmsize_t n;
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m=TIFFVTileSize64(tif,nrows);
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- n=(tmsize_t)m;
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- if ((uint64)n!=m)
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- {
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- TIFFErrorExt(tif->tif_clientdata,module,"Integer overflow");
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- n=0;
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- }
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- return(n);
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+ return _TIFFCastUInt64ToSSize(tif, m, module);
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}
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/*
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@@ -272,15 +258,8 @@
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{
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static const char module[] = "TIFFTileSize";
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uint64 m;
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- tmsize_t n;
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m=TIFFTileSize64(tif);
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- n=(tmsize_t)m;
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- if ((uint64)n!=m)
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- {
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- TIFFErrorExt(tif->tif_clientdata,module,"Integer overflow");
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- n=0;
|
||||
- }
|
||||
- return(n);
|
||||
+ return _TIFFCastUInt64ToSSize(tif, m, module);
|
||||
}
|
||||
|
||||
/*
|
||||
@ -17,6 +17,16 @@ stdenv.mkDerivation rec {
|
||||
sha256 = "1r4np635gr6zlc0bic38dzvxia6iqzcrary4n1ylarzpr8fd2lic";
|
||||
};
|
||||
|
||||
patches = [
|
||||
(fetchurl {
|
||||
url = "https://gitlab.com/libtiff/libtiff/commit/0c74a9f49b8d7a36b17b54a7428b3526d20f88a8.patch";
|
||||
name = "CVE-2019-6128.patch";
|
||||
sha256 = "03yvsfq6dxjd3v8ypfwz6cpz2iymqwcbawqqlmkh40dayi7fgizr";
|
||||
})
|
||||
# Manual backport of https://gitlab.com/libtiff/libtiff/commit/1b5e3b6a23827c33acf19ad50ce5ce78f12b3773.patch
|
||||
./CVE-2019-14973.patch
|
||||
];
|
||||
|
||||
outputs = [ "bin" "dev" "out" "man" "doc" ];
|
||||
|
||||
nativeBuildInputs = [ pkgconfig ];
|
||||
|
||||
Loading…
Reference in New Issue
Block a user