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* gnu/packages/image.scm (jasper)[source]: Add patch. * gnu/packages/patches/jasper-CVE-2017-6850.patch: New file. * gnu/local.mk (dist_patch_DATA): Register it.
284 lines
8.4 KiB
Diff
284 lines
8.4 KiB
Diff
This patch is from upstream and should be fixed included in the next release
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From e96fc4fdd525fa0ede28074a7e2b1caf94b58b0d Mon Sep 17 00:00:00 2001
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From: Michael Adams <mdadams@ece.uvic.ca>
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Date: Sat, 4 Mar 2017 14:43:24 -0800
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Subject: [PATCH] Fixed bugs due to uninitialized data in the JP2 decoder.
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Also, added some comments marking I/O stream interfaces that probably need to
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be changed (in the long term) to fix integer overflow problems.
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---
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src/libjasper/base/jas_stream.c | 18 +++++++++++++++++
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src/libjasper/jp2/jp2_cod.c | 44 ++++++++++++++++++++++++++++-------------
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2 files changed, 48 insertions(+), 14 deletions(-)
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diff --git a/src/libjasper/base/jas_stream.c b/src/libjasper/base/jas_stream.c
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index 327ee57..d70408f 100644
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--- a/src/libjasper/base/jas_stream.c
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+++ b/src/libjasper/base/jas_stream.c
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@@ -664,6 +664,7 @@ int jas_stream_ungetc(jas_stream_t *stream, int c)
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return 0;
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}
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+/* FIXME integral type */
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int jas_stream_read(jas_stream_t *stream, void *buf, int cnt)
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{
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int n;
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@@ -690,6 +691,7 @@ int jas_stream_read(jas_stream_t *stream, void *buf, int cnt)
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return n;
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}
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+/* FIXME integral type */
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int jas_stream_write(jas_stream_t *stream, const void *buf, int cnt)
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{
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int n;
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@@ -742,6 +744,7 @@ int jas_stream_puts(jas_stream_t *stream, const char *s)
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return 0;
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}
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+/* FIXME integral type */
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char *jas_stream_gets(jas_stream_t *stream, char *buf, int bufsize)
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{
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int c;
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@@ -765,6 +768,7 @@ char *jas_stream_gets(jas_stream_t *stream, char *buf, int bufsize)
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return buf;
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}
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+/* FIXME integral type */
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int jas_stream_gobble(jas_stream_t *stream, int n)
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{
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int m;
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@@ -783,6 +787,7 @@ int jas_stream_gobble(jas_stream_t *stream, int n)
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return n;
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}
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+/* FIXME integral type */
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int jas_stream_pad(jas_stream_t *stream, int n, int c)
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{
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int m;
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@@ -885,6 +890,7 @@ long jas_stream_tell(jas_stream_t *stream)
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* Buffer initialization code.
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\******************************************************************************/
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+/* FIXME integral type */
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static void jas_stream_initbuf(jas_stream_t *stream, int bufmode, char *buf,
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int bufsize)
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{
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@@ -1060,6 +1066,7 @@ static int jas_strtoopenmode(const char *s)
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return openmode;
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}
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+/* FIXME integral type */
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int jas_stream_copy(jas_stream_t *out, jas_stream_t *in, int n)
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{
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int all;
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@@ -1085,6 +1092,7 @@ int jas_stream_copy(jas_stream_t *out, jas_stream_t *in, int n)
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return 0;
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}
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+/* FIXME integral type */
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long jas_stream_setrwcount(jas_stream_t *stream, long rwcnt)
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{
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int old;
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@@ -1094,6 +1102,7 @@ long jas_stream_setrwcount(jas_stream_t *stream, long rwcnt)
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return old;
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}
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+/* FIXME integral type */
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int jas_stream_display(jas_stream_t *stream, FILE *fp, int n)
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{
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unsigned char buf[16];
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@@ -1168,6 +1177,7 @@ long jas_stream_length(jas_stream_t *stream)
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* Memory stream object.
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\******************************************************************************/
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+/* FIXME integral type */
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static int mem_read(jas_stream_obj_t *obj, char *buf, int cnt)
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{
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ssize_t n;
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@@ -1209,6 +1219,7 @@ static int mem_resize(jas_stream_memobj_t *m, size_t bufsize)
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return 0;
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}
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+/* FIXME integral type */
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static int mem_write(jas_stream_obj_t *obj, char *buf, int cnt)
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{
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size_t n;
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@@ -1264,6 +1275,7 @@ static int mem_write(jas_stream_obj_t *obj, char *buf, int cnt)
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return ret;
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}
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+/* FIXME integral type */
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static long mem_seek(jas_stream_obj_t *obj, long offset, int origin)
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{
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jas_stream_memobj_t *m = (jas_stream_memobj_t *)obj;
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@@ -1310,6 +1322,7 @@ static int mem_close(jas_stream_obj_t *obj)
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* File stream object.
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\******************************************************************************/
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+/* FIXME integral type */
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static int file_read(jas_stream_obj_t *obj, char *buf, int cnt)
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{
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jas_stream_fileobj_t *fileobj;
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@@ -1318,6 +1331,7 @@ static int file_read(jas_stream_obj_t *obj, char *buf, int cnt)
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return read(fileobj->fd, buf, cnt);
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}
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+/* FIXME integral type */
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static int file_write(jas_stream_obj_t *obj, char *buf, int cnt)
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{
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jas_stream_fileobj_t *fileobj;
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@@ -1326,6 +1340,7 @@ static int file_write(jas_stream_obj_t *obj, char *buf, int cnt)
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return write(fileobj->fd, buf, cnt);
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}
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+/* FIXME integral type */
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static long file_seek(jas_stream_obj_t *obj, long offset, int origin)
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{
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jas_stream_fileobj_t *fileobj;
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@@ -1352,6 +1367,7 @@ static int file_close(jas_stream_obj_t *obj)
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* Stdio file stream object.
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\******************************************************************************/
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+/* FIXME integral type */
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static int sfile_read(jas_stream_obj_t *obj, char *buf, int cnt)
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{
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FILE *fp;
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@@ -1367,6 +1383,7 @@ static int sfile_read(jas_stream_obj_t *obj, char *buf, int cnt)
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return result;
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}
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+/* FIXME integral type */
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static int sfile_write(jas_stream_obj_t *obj, char *buf, int cnt)
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{
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FILE *fp;
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@@ -1377,6 +1394,7 @@ static int sfile_write(jas_stream_obj_t *obj, char *buf, int cnt)
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return (n != JAS_CAST(size_t, cnt)) ? (-1) : cnt;
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}
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+/* FIXME integral type */
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static long sfile_seek(jas_stream_obj_t *obj, long offset, int origin)
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{
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FILE *fp;
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diff --git a/src/libjasper/jp2/jp2_cod.c b/src/libjasper/jp2/jp2_cod.c
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index 7f3608a..8d98a2c 100644
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--- a/src/libjasper/jp2/jp2_cod.c
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+++ b/src/libjasper/jp2/jp2_cod.c
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@@ -183,15 +183,28 @@ jp2_boxinfo_t jp2_boxinfo_unk = {
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* Box constructor.
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\******************************************************************************/
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-jp2_box_t *jp2_box_create(int type)
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+jp2_box_t *jp2_box_create0()
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{
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jp2_box_t *box;
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- jp2_boxinfo_t *boxinfo;
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-
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if (!(box = jas_malloc(sizeof(jp2_box_t)))) {
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return 0;
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}
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memset(box, 0, sizeof(jp2_box_t));
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+ box->type = 0;
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+ box->len = 0;
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+ // Mark the box data as never having been constructed
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+ // so that we will not errantly attempt to destroy it later.
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+ box->ops = &jp2_boxinfo_unk.ops;
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+ return box;
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+}
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+
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+jp2_box_t *jp2_box_create(int type)
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+{
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+ jp2_box_t *box;
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+ jp2_boxinfo_t *boxinfo;
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+ if (!(box = jp2_box_create0())) {
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+ return 0;
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+ }
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box->type = type;
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box->len = 0;
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if (!(boxinfo = jp2_boxinfolookup(type))) {
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@@ -248,14 +261,9 @@ jp2_box_t *jp2_box_get(jas_stream_t *in)
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box = 0;
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tmpstream = 0;
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- if (!(box = jas_malloc(sizeof(jp2_box_t)))) {
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+ if (!(box = jp2_box_create0())) {
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goto error;
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}
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-
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- // Mark the box data as never having been constructed
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- // so that we will not errantly attempt to destroy it later.
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- box->ops = &jp2_boxinfo_unk.ops;
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-
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if (jp2_getuint32(in, &len) || jp2_getuint32(in, &box->type)) {
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goto error;
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}
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@@ -263,10 +271,12 @@ jp2_box_t *jp2_box_get(jas_stream_t *in)
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box->info = boxinfo;
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box->len = len;
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JAS_DBGLOG(10, (
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- "preliminary processing of JP2 box: type=%c%s%c (0x%08x); length=%d\n",
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+ "preliminary processing of JP2 box: "
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+ "type=%c%s%c (0x%08x); length=%"PRIuFAST32"\n",
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'"', boxinfo->name, '"', box->type, box->len
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));
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if (box->len == 1) {
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+ JAS_DBGLOG(10, ("big length\n"));
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if (jp2_getuint64(in, &extlen)) {
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goto error;
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}
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@@ -382,6 +392,7 @@ static int jp2_bpcc_getdata(jp2_box_t *box, jas_stream_t *in)
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{
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jp2_bpcc_t *bpcc = &box->data.bpcc;
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unsigned int i;
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+ bpcc->bpcs = 0;
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bpcc->numcmpts = box->datalen;
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if (!(bpcc->bpcs = jas_alloc2(bpcc->numcmpts, sizeof(uint_fast8_t)))) {
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return -1;
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@@ -462,6 +473,7 @@ static int jp2_cdef_getdata(jp2_box_t *box, jas_stream_t *in)
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jp2_cdef_t *cdef = &box->data.cdef;
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jp2_cdefchan_t *chan;
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unsigned int channo;
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+ cdef->ents = 0;
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if (jp2_getuint16(in, &cdef->numchans)) {
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return -1;
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}
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@@ -518,7 +530,9 @@ int jp2_box_put(jp2_box_t *box, jas_stream_t *out)
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}
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if (dataflag) {
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- if (jas_stream_copy(out, tmpstream, box->len - JP2_BOX_HDRLEN(false))) {
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+ if (jas_stream_copy(out, tmpstream, box->len -
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+ JP2_BOX_HDRLEN(false))) {
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+ jas_eprintf("cannot copy box data\n");
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goto error;
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}
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jas_stream_close(tmpstream);
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@@ -777,6 +791,7 @@ static int jp2_cmap_getdata(jp2_box_t *box, jas_stream_t *in)
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jp2_cmap_t *cmap = &box->data.cmap;
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jp2_cmapent_t *ent;
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unsigned int i;
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+ cmap->ents = 0;
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cmap->numchans = (box->datalen) / 4;
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if (!(cmap->ents = jas_alloc2(cmap->numchans, sizeof(jp2_cmapent_t)))) {
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@@ -835,6 +850,7 @@ static int jp2_pclr_getdata(jp2_box_t *box, jas_stream_t *in)
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int_fast32_t x;
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pclr->lutdata = 0;
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+ pclr->bpc = 0;
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if (jp2_getuint16(in, &pclr->numlutents) ||
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jp2_getuint8(in, &pclr->numchans)) {
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@@ -869,9 +885,9 @@ static int jp2_pclr_putdata(jp2_box_t *box, jas_stream_t *out)
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#if 0
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jp2_pclr_t *pclr = &box->data.pclr;
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#endif
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-/* Eliminate warning about unused variable. */
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-box = 0;
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-out = 0;
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+ /* Eliminate warning about unused variable. */
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+ box = 0;
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+ out = 0;
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return -1;
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}
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