File jasper-CVE-2017-6850.patch of Package jasper.6993
--- jasper-1.900.14/src/libjasper/base/jas_stream.c 2017-03-22 10:18:22.195685757 +0100
+++ jasper-1.900.14/src/libjasper/base/jas_stream.c 2017-03-22 10:20:15.366313051 +0100
@@ -507,6 +507,7 @@
return 0;
}
+/* FIXME integral type */
int jas_stream_read(jas_stream_t *stream, void *buf, int cnt)
{
int n;
@@ -527,6 +528,7 @@
return n;
}
+/* FIXME integral type */
int jas_stream_write(jas_stream_t *stream, const void *buf, int cnt)
{
int n;
@@ -573,6 +575,7 @@
return 0;
}
+/* FIXME integral type */
char *jas_stream_gets(jas_stream_t *stream, char *buf, int bufsize)
{
int c;
@@ -594,6 +597,7 @@
return buf;
}
+/* FIXME integral type */
int jas_stream_gobble(jas_stream_t *stream, int n)
{
int m;
@@ -606,6 +610,7 @@
return n;
}
+/* FIXME integral type */
int jas_stream_pad(jas_stream_t *stream, int n, int c)
{
int m;
@@ -696,6 +701,7 @@
* Buffer initialization code.
\******************************************************************************/
+/* FIXME integral type */
static void jas_stream_initbuf(jas_stream_t *stream, int bufmode, char *buf,
int bufsize)
{
@@ -871,6 +877,7 @@
return openmode;
}
+/* FIXME integral type */
int jas_stream_copy(jas_stream_t *out, jas_stream_t *in, int n)
{
int all;
@@ -896,6 +903,7 @@
return 0;
}
+/* FIXME integral type */
long jas_stream_setrwcount(jas_stream_t *stream, long rwcnt)
{
int old;
@@ -905,6 +913,7 @@
return old;
}
+/* FIXME integral type */
int jas_stream_display(jas_stream_t *stream, FILE *fp, int n)
{
unsigned char buf[16];
@@ -979,6 +988,7 @@
* Memory stream object.
\******************************************************************************/
+/* FIXME integral type */
static int mem_read(jas_stream_obj_t *obj, char *buf, int cnt)
{
int n;
@@ -1007,6 +1017,7 @@
return 0;
}
+/* FIXME integral type */
static int mem_write(jas_stream_obj_t *obj, char *buf, int cnt)
{
int n;
@@ -1054,6 +1065,7 @@
return ret;
}
+/* FIXME integral type */
static long mem_seek(jas_stream_obj_t *obj, long offset, int origin)
{
jas_stream_memobj_t *m = (jas_stream_memobj_t *)obj;
@@ -1096,18 +1108,21 @@
* File stream object.
\******************************************************************************/
+/* FIXME integral type */
static int file_read(jas_stream_obj_t *obj, char *buf, int cnt)
{
jas_stream_fileobj_t *fileobj = JAS_CAST(jas_stream_fileobj_t *, obj);
return read(fileobj->fd, buf, cnt);
}
+/* FIXME integral type */
static int file_write(jas_stream_obj_t *obj, char *buf, int cnt)
{
jas_stream_fileobj_t *fileobj = JAS_CAST(jas_stream_fileobj_t *, obj);
return write(fileobj->fd, buf, cnt);
}
+/* FIXME integral type */
static long file_seek(jas_stream_obj_t *obj, long offset, int origin)
{
jas_stream_fileobj_t *fileobj = JAS_CAST(jas_stream_fileobj_t *, obj);
@@ -1130,6 +1145,7 @@
* Stdio file stream object.
\******************************************************************************/
+/* FIXME integral type */
static int sfile_read(jas_stream_obj_t *obj, char *buf, int cnt)
{
FILE *fp;
@@ -1144,6 +1160,7 @@
return result;
}
+/* FIXME integral type */
static int sfile_write(jas_stream_obj_t *obj, char *buf, int cnt)
{
FILE *fp;
@@ -1153,6 +1170,7 @@
return (n != JAS_CAST(size_t, cnt)) ? (-1) : cnt;
}
+/* FIXME integral type */
static long sfile_seek(jas_stream_obj_t *obj, long offset, int origin)
{
FILE *fp;
--- jasper-1.900.14/src/libjasper/jp2/jp2_cod.c 2017-03-22 10:18:22.191685757 +0100
+++ jasper-1.900.14/src/libjasper/jp2/jp2_cod.c 2017-03-22 10:20:15.366313051 +0100
@@ -183,15 +183,28 @@
* Box constructor.
\******************************************************************************/
-jp2_box_t *jp2_box_create(int type)
+jp2_box_t *jp2_box_create0()
{
jp2_box_t *box;
- jp2_boxinfo_t *boxinfo;
-
if (!(box = jas_malloc(sizeof(jp2_box_t)))) {
return 0;
}
memset(box, 0, sizeof(jp2_box_t));
+ box->type = 0;
+ box->len = 0;
+ // Mark the box data as never having been constructed
+ // so that we will not errantly attempt to destroy it later.
+ box->ops = &jp2_boxinfo_unk.ops;
+ return box;
+}
+
+jp2_box_t *jp2_box_create(int type)
+{
+ jp2_box_t *box;
+ jp2_boxinfo_t *boxinfo;
+ if (!(box = jp2_box_create0())) {
+ return 0;
+ }
box->type = type;
box->len = 0;
if (!(boxinfo = jp2_boxinfolookup(type))) {
@@ -248,14 +261,9 @@
box = 0;
tmpstream = 0;
- if (!(box = jas_malloc(sizeof(jp2_box_t)))) {
+ if (!(box = jp2_box_create0())) {
goto error;
}
-
- // Mark the box data as never having been constructed
- // so that we will not errantly attempt to destroy it later.
- box->ops = &jp2_boxinfo_unk.ops;
-
if (jp2_getuint32(in, &len) || jp2_getuint32(in, &box->type)) {
goto error;
}
@@ -263,10 +271,12 @@
box->info = boxinfo;
box->len = len;
JAS_DBGLOG(10, (
- "preliminary processing of JP2 box: type=%c%s%c (0x%08x); length=%d\n",
+ "preliminary processing of JP2 box: "
+ "type=%c%s%c (0x%08x); length=%"PRIuFAST32"\n",
'"', boxinfo->name, '"', box->type, box->len
));
if (box->len == 1) {
+ JAS_DBGLOG(10, ("big length\n"));
if (jp2_getuint64(in, &extlen)) {
goto error;
}
@@ -382,6 +392,7 @@
{
jp2_bpcc_t *bpcc = &box->data.bpcc;
unsigned int i;
+ bpcc->bpcs = 0;
bpcc->numcmpts = box->datalen;
if (!(bpcc->bpcs = jas_alloc2(bpcc->numcmpts, sizeof(uint_fast8_t)))) {
return -1;
@@ -462,6 +473,7 @@
jp2_cdef_t *cdef = &box->data.cdef;
jp2_cdefchan_t *chan;
unsigned int channo;
+ cdef->ents = 0;
if (jp2_getuint16(in, &cdef->numchans)) {
return -1;
}
@@ -518,7 +530,9 @@
}
if (dataflag) {
- if (jas_stream_copy(out, tmpstream, box->len - JP2_BOX_HDRLEN(false))) {
+ if (jas_stream_copy(out, tmpstream, box->len -
+ JP2_BOX_HDRLEN(false))) {
+ jas_eprintf("cannot copy box data\n");
goto error;
}
jas_stream_close(tmpstream);
@@ -777,6 +791,7 @@
jp2_cmap_t *cmap = &box->data.cmap;
jp2_cmapent_t *ent;
unsigned int i;
+ cmap->ents = 0;
cmap->numchans = (box->datalen) / 4;
if (!(cmap->ents = jas_alloc2(cmap->numchans, sizeof(jp2_cmapent_t)))) {
@@ -835,6 +850,7 @@
int_fast32_t x;
pclr->lutdata = 0;
+ pclr->bpc = 0;
if (jp2_getuint16(in, &pclr->numlutents) ||
jp2_getuint8(in, &pclr->numchans)) {
