diff options
Diffstat (limited to 'gnu/packages/patches/jasper-CVE-2017-6850.patch')
| -rw-r--r-- | gnu/packages/patches/jasper-CVE-2017-6850.patch | 284 |
1 files changed, 284 insertions, 0 deletions
diff --git a/gnu/packages/patches/jasper-CVE-2017-6850.patch b/gnu/packages/patches/jasper-CVE-2017-6850.patch new file mode 100644 index 0000000000..07672762a1 --- /dev/null +++ b/gnu/packages/patches/jasper-CVE-2017-6850.patch @@ -0,0 +1,284 @@ +This patch is from upstream and should be fixed included in the next release + +From e96fc4fdd525fa0ede28074a7e2b1caf94b58b0d Mon Sep 17 00:00:00 2001 +From: Michael Adams <mdadams@ece.uvic.ca> +Date: Sat, 4 Mar 2017 14:43:24 -0800 +Subject: [PATCH] Fixed bugs due to uninitialized data in the JP2 decoder. + Also, added some comments marking I/O stream interfaces that probably need to + be changed (in the long term) to fix integer overflow problems. + +--- + src/libjasper/base/jas_stream.c | 18 +++++++++++++++++ + src/libjasper/jp2/jp2_cod.c | 44 ++++++++++++++++++++++++++++------------- + 2 files changed, 48 insertions(+), 14 deletions(-) + +diff --git a/src/libjasper/base/jas_stream.c b/src/libjasper/base/jas_stream.c +index 327ee57..d70408f 100644 +--- a/src/libjasper/base/jas_stream.c ++++ b/src/libjasper/base/jas_stream.c +@@ -664,6 +664,7 @@ int jas_stream_ungetc(jas_stream_t *stream, int c) + return 0; + } + ++/* FIXME integral type */ + int jas_stream_read(jas_stream_t *stream, void *buf, int cnt) + { + int n; +@@ -690,6 +691,7 @@ int jas_stream_read(jas_stream_t *stream, void *buf, int cnt) + return n; + } + ++/* FIXME integral type */ + int jas_stream_write(jas_stream_t *stream, const void *buf, int cnt) + { + int n; +@@ -742,6 +744,7 @@ int jas_stream_puts(jas_stream_t *stream, const char *s) + return 0; + } + ++/* FIXME integral type */ + char *jas_stream_gets(jas_stream_t *stream, char *buf, int bufsize) + { + int c; +@@ -765,6 +768,7 @@ char *jas_stream_gets(jas_stream_t *stream, char *buf, int bufsize) + return buf; + } + ++/* FIXME integral type */ + int jas_stream_gobble(jas_stream_t *stream, int n) + { + int m; +@@ -783,6 +787,7 @@ int jas_stream_gobble(jas_stream_t *stream, int n) + return n; + } + ++/* FIXME integral type */ + int jas_stream_pad(jas_stream_t *stream, int n, int c) + { + int m; +@@ -885,6 +890,7 @@ long jas_stream_tell(jas_stream_t *stream) + * Buffer initialization code. + \******************************************************************************/ + ++/* FIXME integral type */ + static void jas_stream_initbuf(jas_stream_t *stream, int bufmode, char *buf, + int bufsize) + { +@@ -1060,6 +1066,7 @@ static int jas_strtoopenmode(const char *s) + return openmode; + } + ++/* FIXME integral type */ + int jas_stream_copy(jas_stream_t *out, jas_stream_t *in, int n) + { + int all; +@@ -1085,6 +1092,7 @@ int jas_stream_copy(jas_stream_t *out, jas_stream_t *in, int n) + return 0; + } + ++/* FIXME integral type */ + long jas_stream_setrwcount(jas_stream_t *stream, long rwcnt) + { + int old; +@@ -1094,6 +1102,7 @@ long jas_stream_setrwcount(jas_stream_t *stream, long rwcnt) + return old; + } + ++/* FIXME integral type */ + int jas_stream_display(jas_stream_t *stream, FILE *fp, int n) + { + unsigned char buf[16]; +@@ -1168,6 +1177,7 @@ long jas_stream_length(jas_stream_t *stream) + * Memory stream object. + \******************************************************************************/ + ++/* FIXME integral type */ + static int mem_read(jas_stream_obj_t *obj, char *buf, int cnt) + { + ssize_t n; +@@ -1209,6 +1219,7 @@ static int mem_resize(jas_stream_memobj_t *m, size_t bufsize) + return 0; + } + ++/* FIXME integral type */ + static int mem_write(jas_stream_obj_t *obj, char *buf, int cnt) + { + size_t n; +@@ -1264,6 +1275,7 @@ static int mem_write(jas_stream_obj_t *obj, char *buf, int cnt) + 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; +@@ -1310,6 +1322,7 @@ static int mem_close(jas_stream_obj_t *obj) + * File stream object. + \******************************************************************************/ + ++/* FIXME integral type */ + static int file_read(jas_stream_obj_t *obj, char *buf, int cnt) + { + jas_stream_fileobj_t *fileobj; +@@ -1318,6 +1331,7 @@ static int file_read(jas_stream_obj_t *obj, char *buf, int cnt) + 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; +@@ -1326,6 +1340,7 @@ static int file_write(jas_stream_obj_t *obj, char *buf, int cnt) + 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; +@@ -1352,6 +1367,7 @@ static int file_close(jas_stream_obj_t *obj) + * Stdio file stream object. + \******************************************************************************/ + ++/* FIXME integral type */ + static int sfile_read(jas_stream_obj_t *obj, char *buf, int cnt) + { + FILE *fp; +@@ -1367,6 +1383,7 @@ static int sfile_read(jas_stream_obj_t *obj, char *buf, int cnt) + return result; + } + ++/* FIXME integral type */ + static int sfile_write(jas_stream_obj_t *obj, char *buf, int cnt) + { + FILE *fp; +@@ -1377,6 +1394,7 @@ static int sfile_write(jas_stream_obj_t *obj, char *buf, int cnt) + 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; +diff --git a/src/libjasper/jp2/jp2_cod.c b/src/libjasper/jp2/jp2_cod.c +index 7f3608a..8d98a2c 100644 +--- a/src/libjasper/jp2/jp2_cod.c ++++ b/src/libjasper/jp2/jp2_cod.c +@@ -183,15 +183,28 @@ jp2_boxinfo_t jp2_boxinfo_unk = { + * 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 @@ jp2_box_t *jp2_box_get(jas_stream_t *in) + 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 @@ jp2_box_t *jp2_box_get(jas_stream_t *in) + 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 @@ static int jp2_bpcc_getdata(jp2_box_t *box, jas_stream_t *in) + { + 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 @@ static int jp2_cdef_getdata(jp2_box_t *box, jas_stream_t *in) + 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 @@ int jp2_box_put(jp2_box_t *box, jas_stream_t *out) + } + + 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 @@ static int jp2_cmap_getdata(jp2_box_t *box, jas_stream_t *in) + 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 @@ static int jp2_pclr_getdata(jp2_box_t *box, jas_stream_t *in) + int_fast32_t x; + + pclr->lutdata = 0; ++ pclr->bpc = 0; + + if (jp2_getuint16(in, &pclr->numlutents) || + jp2_getuint8(in, &pclr->numchans)) { +@@ -869,9 +885,9 @@ static int jp2_pclr_putdata(jp2_box_t *box, jas_stream_t *out) + #if 0 + jp2_pclr_t *pclr = &box->data.pclr; + #endif +-/* Eliminate warning about unused variable. */ +-box = 0; +-out = 0; ++ /* Eliminate warning about unused variable. */ ++ box = 0; ++ out = 0; + return -1; + } + |