diff options
Diffstat (limited to 'main/tiff/CVE-2017-7593.patch')
-rw-r--r-- | main/tiff/CVE-2017-7593.patch | 81 |
1 files changed, 0 insertions, 81 deletions
diff --git a/main/tiff/CVE-2017-7593.patch b/main/tiff/CVE-2017-7593.patch deleted file mode 100644 index fc3514229a..0000000000 --- a/main/tiff/CVE-2017-7593.patch +++ /dev/null @@ -1,81 +0,0 @@ -From d60332057b9575ada4f264489582b13e30137be1 Mon Sep 17 00:00:00 2001 -From: erouault <erouault> -Date: Wed, 11 Jan 2017 19:02:49 +0000 -Subject: [PATCH] * libtiff/tiffiop.h, tif_unix.c, tif_win32.c, tif_vms.c: add - _TIFFcalloc() - -* libtiff/tif_read.c: TIFFReadBufferSetup(): use _TIFFcalloc() to zero -initialize tif_rawdata. -Fixes http://bugzilla.maptools.org/show_bug.cgi?id=2651 ---- - libtiff/tif_read.c | 4 +++- - libtiff/tif_unix.c | 8 ++++++++ - libtiff/tif_win32.c | 8 ++++++++ - libtiff/tiffio.h | 1 + - 6 files changed, 36 insertions(+), 1 deletion(-) - -diff --git a/libtiff/tif_read.c b/libtiff/tif_read.c -index 277fdd6..4535ccb 100644 ---- a/libtiff/tif_read.c -+++ b/libtiff/tif_read.c -@@ -985,7 +985,9 @@ TIFFReadBufferSetup(TIFF* tif, void* bp, tmsize_t size) - "Invalid buffer size"); - return (0); - } -- tif->tif_rawdata = (uint8*) _TIFFmalloc(tif->tif_rawdatasize); -+ /* Initialize to zero to avoid uninitialized buffers in case of */ -+ /* short reads (http://bugzilla.maptools.org/show_bug.cgi?id=2651) */ -+ tif->tif_rawdata = (uint8*) _TIFFcalloc(1, tif->tif_rawdatasize); - tif->tif_flags |= TIFF_MYBUFFER; - } - if (tif->tif_rawdata == NULL) { -diff --git a/libtiff/tif_unix.c b/libtiff/tif_unix.c -index 7c7bc96..89dd32e 100644 ---- a/libtiff/tif_unix.c -+++ b/libtiff/tif_unix.c -@@ -316,6 +316,14 @@ _TIFFmalloc(tmsize_t s) - return (malloc((size_t) s)); - } - -+void* _TIFFcalloc(tmsize_t nmemb, tmsize_t siz) -+{ -+ if( nmemb == 0 || siz == 0 ) -+ return ((void *) NULL); -+ -+ return calloc((size_t) nmemb, (size_t)siz); -+} -+ - void - _TIFFfree(void* p) - { -diff --git a/libtiff/tif_win32.c b/libtiff/tif_win32.c -index d730b3a..3e9001b 100644 ---- a/libtiff/tif_win32.c -+++ b/libtiff/tif_win32.c -@@ -360,6 +360,14 @@ _TIFFmalloc(tmsize_t s) - return (malloc((size_t) s)); - } - -+void* _TIFFcalloc(tmsize_t nmemb, tmsize_t siz) -+{ -+ if( nmemb == 0 || siz == 0 ) -+ return ((void *) NULL); -+ -+ return calloc((size_t) nmemb, (size_t)siz); -+} -+ - void - _TIFFfree(void* p) - { -diff --git a/libtiff/tiffio.h b/libtiff/tiffio.h -index 732da17..fbd9171 100644 ---- a/libtiff/tiffio.h -+++ b/libtiff/tiffio.h -@@ -293,6 +293,7 @@ extern TIFFCodec* TIFFGetConfiguredCODECs(void); - */ - - extern void* _TIFFmalloc(tmsize_t s); -+extern void* _TIFFcalloc(tmsize_t nmemb, tmsize_t siz); - extern void* _TIFFrealloc(void* p, tmsize_t s); - extern void _TIFFmemset(void* p, int v, tmsize_t c); - extern void _TIFFmemcpy(void* d, const void* s, tmsize_t c); |