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MFH: r469778

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Fix multiple CVEs and memory leaks

Details:
- Import patches from upstream HEAD to address
  a bunch of critical CVEs including potential remote
  code execution and memory leaks

PR:		228141
Submitted by:	yasu@utahime.org
Security:	CVE-2018-6767
		CVE-2018-7253
		CVE-2018-7254
		CVE-2018-10536
		CVE-2018-10537
		CVE-2018-10538
		CVE-2018-10539
		CVE-2018-10540

Approved by:	ports-secteam (riggs)
This commit is contained in:
Thomas Zander 2018-05-13 09:39:17 +00:00
parent f267e08f27
commit 444b2ba0d9
Notes: svn2git 2021-03-31 03:12:20 +00:00 
svn path=/branches/2018Q2/; revision=469785
7 changed files with 394 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
audio/wavpack/Makefile
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@ -3,6 +3,7 @@
PORTNAME= wavpack
PORTVERSION= 5.1.0
PORTREVISION= 1
CATEGORIES= audio
MASTER_SITES= http://www.wavpack.com/

63
audio/wavpack/files/patch-CVE-2018-10536_10537 Normal file
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@ -0,0 +1,63 @@
From 26cb47f99d481ad9b93eeff80d26e6b63bbd7e15 Mon Sep 17 00:00:00 2001
From: David Bryant <david@wavpack.com>
Date: Tue, 24 Apr 2018 22:18:07 -0700
Subject: [PATCH 6/6] issue #30 issue #31 issue #32: no multiple format chunks
in WAV or W64
---
cli/riff.c | 7 ++++++-
cli/wave64.c | 6 ++++++
2 files changed, 12 insertions(+), 1 deletion(-)
diff --git cli/riff.c cli/riff.c
index 7bddf63..5d6452e 100644
--- cli/riff.c
+++ cli/riff.c
@@ -53,7 +53,7 @@ extern int debug_logging_mode;
int ParseRiffHeaderConfig (FILE *infile, char *infilename, char *fourcc, WavpackContext *wpc, WavpackConfig *config)
{
- int is_rf64 = !strncmp (fourcc, "RF64", 4), got_ds64 = 0;
+ int is_rf64 = !strncmp (fourcc, "RF64", 4), got_ds64 = 0, format_chunk = 0;
int64_t total_samples = 0, infilesize;
RiffChunkHeader riff_chunk_header;
ChunkHeader chunk_header;
@@ -140,6 +140,11 @@ int ParseRiffHeaderConfig (FILE *infile, char *infilename, char *fourcc, Wavpack
else if (!strncmp (chunk_header.ckID, "fmt ", 4)) { // if it's the format chunk, we want to get some info out of there and
int supported = TRUE, format; // make sure it's a .wav file we can handle
+ if (format_chunk++) {
+ error_line ("%s is not a valid .WAV file!", infilename);
+ return WAVPACK_SOFT_ERROR;
+ }
+
if (chunk_header.ckSize < 16 || chunk_header.ckSize > sizeof (WaveHeader) ||
!DoReadFile (infile, &WaveHeader, chunk_header.ckSize, &bcount) ||
bcount != chunk_header.ckSize) {
diff --git cli/wave64.c cli/wave64.c
index fa928a0..0388dc7 100644
--- cli/wave64.c
+++ cli/wave64.c
@@ -53,6 +53,7 @@ int ParseWave64HeaderConfig (FILE *infile, char *infilename, char *fourcc, Wavpa
Wave64ChunkHeader chunk_header;
Wave64FileHeader filehdr;
WaveHeader WaveHeader;
+ int format_chunk = 0;
uint32_t bcount;
infilesize = DoGetFileSize (infile);
@@ -104,6 +105,11 @@ int ParseWave64HeaderConfig (FILE *infile, char *infilename, char *fourcc, Wavpa
if (!memcmp (chunk_header.ckID, fmt_guid, sizeof (fmt_guid))) {
int supported = TRUE, format;
+ if (format_chunk++) {
+ error_line ("%s is not a valid .W64 file!", infilename);
+ return WAVPACK_SOFT_ERROR;
+ }
+
chunk_header.ckSize = (chunk_header.ckSize + 7) & ~7L;
if (chunk_header.ckSize < 16 || chunk_header.ckSize > sizeof (WaveHeader) ||
--
2.17.0

75
audio/wavpack/files/patch-CVE-2018-10538_10539_10540 Normal file
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@ -0,0 +1,75 @@
From 6f8bb34c2993a48ab9afbe353e6d0cff7c8d821d Mon Sep 17 00:00:00 2001
From: David Bryant <david@wavpack.com>
Date: Tue, 24 Apr 2018 17:27:01 -0700
Subject: [PATCH 5/6] issue #33, sanitize size of unknown chunks before
malloc()
---
cli/dsdiff.c | 9 ++++++++-
cli/riff.c | 9 ++++++++-
cli/wave64.c | 9 ++++++++-
3 files changed, 24 insertions(+), 3 deletions(-)
diff --git cli/dsdiff.c cli/dsdiff.c
index c016df9..fa56bbb 100644
--- cli/dsdiff.c
+++ cli/dsdiff.c
@@ -279,7 +279,14 @@ int ParseDsdiffHeaderConfig (FILE *infile, char *infilename, char *fourcc, Wavpa
else { // just copy unknown chunks to output file
int bytes_to_copy = (int)(((dff_chunk_header.ckDataSize) + 1) & ~(int64_t)1);
- char *buff = malloc (bytes_to_copy);
+ char *buff;
+
+ if (bytes_to_copy < 0 || bytes_to_copy > 4194304) {
+ error_line ("%s is not a valid .DFF file!", infilename);
+ return WAVPACK_SOFT_ERROR;
+ }
+
+ buff = malloc (bytes_to_copy);
if (debug_logging_mode)
error_line ("extra unknown chunk \"%c%c%c%c\" of %d bytes",
diff --git cli/riff.c cli/riff.c
index de98c1e..7bddf63 100644
--- cli/riff.c
+++ cli/riff.c
@@ -286,7 +286,14 @@ int ParseRiffHeaderConfig (FILE *infile, char *infilename, char *fourcc, Wavpack
else { // just copy unknown chunks to output file
int bytes_to_copy = (chunk_header.ckSize + 1) & ~1L;
- char *buff = malloc (bytes_to_copy);
+ char *buff;
+
+ if (bytes_to_copy < 0 || bytes_to_copy > 4194304) {
+ error_line ("%s is not a valid .WAV file!", infilename);
+ return WAVPACK_SOFT_ERROR;
+ }
+
+ buff = malloc (bytes_to_copy);
if (debug_logging_mode)
error_line ("extra unknown chunk \"%c%c%c%c\" of %d bytes",
diff --git cli/wave64.c cli/wave64.c
index 591d640..fa928a0 100644
--- cli/wave64.c
+++ cli/wave64.c
@@ -241,7 +241,14 @@ int ParseWave64HeaderConfig (FILE *infile, char *infilename, char *fourcc, Wavpa
}
else { // just copy unknown chunks to output file
int bytes_to_copy = (chunk_header.ckSize + 7) & ~7L;
- char *buff = malloc (bytes_to_copy);
+ char *buff;
+
+ if (bytes_to_copy < 0 || bytes_to_copy > 4194304) {
+ error_line ("%s is not a valid .W64 file!", infilename);
+ return WAVPACK_SOFT_ERROR;
+ }
+
+ buff = malloc (bytes_to_copy);
if (debug_logging_mode)
error_line ("extra unknown chunk \"%c%c%c%c\" of %d bytes",
--
2.17.0

115
audio/wavpack/files/patch-CVE-2018-6767 Normal file
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@ -0,0 +1,115 @@
From d5bf76b5a88d044a1be1d5656698e3ba737167e5 Mon Sep 17 00:00:00 2001
From: David Bryant <david@wavpack.com>
Date: Sun, 4 Feb 2018 11:28:15 -0800
Subject: [PATCH 1/6] issue #27, do not overwrite stack on corrupt RF64 file
---
cli/riff.c | 39 ++++++++++++++++++++++++++++++++-------
1 file changed, 32 insertions(+), 7 deletions(-)
diff --git cli/riff.c cli/riff.c
index 8b1af45..de98c1e 100644
--- cli/riff.c
+++ cli/riff.c
@@ -42,6 +42,7 @@ typedef struct {
#pragma pack(pop)
+#define CS64ChunkFormat "4D"
#define DS64ChunkFormat "DDDL"
#define WAVPACK_NO_ERROR 0
@@ -101,13 +102,13 @@ int ParseRiffHeaderConfig (FILE *infile, char *infilename, char *fourcc, Wavpack
if (!strncmp (chunk_header.ckID, "ds64", 4)) {
if (chunk_header.ckSize < sizeof (DS64Chunk) ||
- !DoReadFile (infile, &ds64_chunk, chunk_header.ckSize, &bcount) ||
- bcount != chunk_header.ckSize) {
+ !DoReadFile (infile, &ds64_chunk, sizeof (DS64Chunk), &bcount) ||
+ bcount != sizeof (DS64Chunk)) {
error_line ("%s is not a valid .WAV file!", infilename);
return WAVPACK_SOFT_ERROR;
}
else if (!(config->qmode & QMODE_NO_STORE_WRAPPER) &&
- !WavpackAddWrapper (wpc, &ds64_chunk, chunk_header.ckSize)) {
+ !WavpackAddWrapper (wpc, &ds64_chunk, sizeof (DS64Chunk))) {
error_line ("%s", WavpackGetErrorMessage (wpc));
return WAVPACK_SOFT_ERROR;
}
@@ -315,10 +316,11 @@ int ParseRiffHeaderConfig (FILE *infile, char *infilename, char *fourcc, Wavpack
int WriteRiffHeader (FILE *outfile, WavpackContext *wpc, int64_t total_samples, int qmode)
{
- int do_rf64 = 0, write_junk = 1;
+ int do_rf64 = 0, write_junk = 1, table_length = 0;
ChunkHeader ds64hdr, datahdr, fmthdr;
RiffChunkHeader riffhdr;
DS64Chunk ds64_chunk;
+ CS64Chunk cs64_chunk;
JunkChunk junkchunk;
WaveHeader wavhdr;
uint32_t bcount;
@@ -380,6 +382,7 @@ int WriteRiffHeader (FILE *outfile, WavpackContext *wpc, int64_t total_samples,
strncpy (riffhdr.formType, "WAVE", sizeof (riffhdr.formType));
total_riff_bytes = sizeof (riffhdr) + wavhdrsize + sizeof (datahdr) + ((total_data_bytes + 1) & ~(int64_t)1);
if (do_rf64) total_riff_bytes += sizeof (ds64hdr) + sizeof (ds64_chunk);
+ total_riff_bytes += table_length * sizeof (CS64Chunk);
if (write_junk) total_riff_bytes += sizeof (junkchunk);
strncpy (fmthdr.ckID, "fmt ", sizeof (fmthdr.ckID));
strncpy (datahdr.ckID, "data", sizeof (datahdr.ckID));
@@ -394,11 +397,12 @@ int WriteRiffHeader (FILE *outfile, WavpackContext *wpc, int64_t total_samples,
if (do_rf64) {
strncpy (ds64hdr.ckID, "ds64", sizeof (ds64hdr.ckID));
- ds64hdr.ckSize = sizeof (ds64_chunk);
+ ds64hdr.ckSize = sizeof (ds64_chunk) + (table_length * sizeof (CS64Chunk));
CLEAR (ds64_chunk);
ds64_chunk.riffSize64 = total_riff_bytes;
ds64_chunk.dataSize64 = total_data_bytes;
ds64_chunk.sampleCount64 = total_samples;
+ ds64_chunk.tableLength = table_length;
riffhdr.ckSize = (uint32_t) -1;
datahdr.ckSize = (uint32_t) -1;
WavpackNativeToLittleEndian (&ds64hdr, ChunkHeaderFormat);
@@ -409,6 +413,14 @@ int WriteRiffHeader (FILE *outfile, WavpackContext *wpc, int64_t total_samples,
datahdr.ckSize = (uint32_t) total_data_bytes;
}
+ // this "table" is just a dummy placeholder for testing (normally not written)
+
+ if (table_length) {
+ strncpy (cs64_chunk.ckID, "dmmy", sizeof (cs64_chunk.ckID));
+ cs64_chunk.chunkSize64 = 12345678;
+ WavpackNativeToLittleEndian (&cs64_chunk, CS64ChunkFormat);
+ }
+
// write the RIFF chunks up to just before the data starts
WavpackNativeToLittleEndian (&riffhdr, ChunkHeaderFormat);
@@ -418,8 +430,21 @@ int WriteRiffHeader (FILE *outfile, WavpackContext *wpc, int64_t total_samples,
if (!DoWriteFile (outfile, &riffhdr, sizeof (riffhdr), &bcount) || bcount != sizeof (riffhdr) ||
(do_rf64 && (!DoWriteFile (outfile, &ds64hdr, sizeof (ds64hdr), &bcount) || bcount != sizeof (ds64hdr))) ||
- (do_rf64 && (!DoWriteFile (outfile, &ds64_chunk, sizeof (ds64_chunk), &bcount) || bcount != sizeof (ds64_chunk))) ||
- (write_junk && (!DoWriteFile (outfile, &junkchunk, sizeof (junkchunk), &bcount) || bcount != sizeof (junkchunk))) ||
+ (do_rf64 && (!DoWriteFile (outfile, &ds64_chunk, sizeof (ds64_chunk), &bcount) || bcount != sizeof (ds64_chunk)))) {
+ error_line ("can't write .WAV data, disk probably full!");
+ return FALSE;
+ }
+
+ // again, this is normally not written except for testing
+
+ while (table_length--)
+ if (!DoWriteFile (outfile, &cs64_chunk, sizeof (cs64_chunk), &bcount) || bcount != sizeof (cs64_chunk)) {
+ error_line ("can't write .WAV data, disk probably full!");
+ return FALSE;
+ }
+
+
+ if ((write_junk && (!DoWriteFile (outfile, &junkchunk, sizeof (junkchunk), &bcount) || bcount != sizeof (junkchunk))) ||
!DoWriteFile (outfile, &fmthdr, sizeof (fmthdr), &bcount) || bcount != sizeof (fmthdr) ||
!DoWriteFile (outfile, &wavhdr, wavhdrsize, &bcount) || bcount != wavhdrsize ||
!DoWriteFile (outfile, &datahdr, sizeof (datahdr), &bcount) || bcount != sizeof (datahdr)) {
--
2.17.0

35
audio/wavpack/files/patch-CVE-2018-7253 Normal file
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@ -0,0 +1,35 @@
From 36a24c7881427d2e1e4dc1cef58f19eee0d13aec Mon Sep 17 00:00:00 2001
From: David Bryant <david@wavpack.com>
Date: Sat, 10 Feb 2018 16:01:39 -0800
Subject: [PATCH 2/6] issue #28, do not overwrite heap on corrupt DSDIFF file
---
cli/dsdiff.c | 12 +++++++++++-
1 file changed, 11 insertions(+), 1 deletion(-)
diff --git cli/dsdiff.c cli/dsdiff.c
index 410dc1c..c016df9 100644
--- cli/dsdiff.c
+++ cli/dsdiff.c
@@ -153,7 +153,17 @@ int ParseDsdiffHeaderConfig (FILE *infile, char *infilename, char *fourcc, Wavpa
error_line ("dsdiff file version = 0x%08x", version);
}
else if (!strncmp (dff_chunk_header.ckID, "PROP", 4)) {
- char *prop_chunk = malloc ((size_t) dff_chunk_header.ckDataSize);
+ char *prop_chunk;
+
+ if (dff_chunk_header.ckDataSize < 4 || dff_chunk_header.ckDataSize > 1024) {
+ error_line ("%s is not a valid .DFF file!", infilename);
+ return WAVPACK_SOFT_ERROR;
+ }
+
+ if (debug_logging_mode)
+ error_line ("got PROP chunk of %d bytes total", (int) dff_chunk_header.ckDataSize);
+
+ prop_chunk = malloc ((size_t) dff_chunk_header.ckDataSize);
if (!DoReadFile (infile, prop_chunk, (uint32_t) dff_chunk_header.ckDataSize, &bcount) ||
bcount != dff_chunk_header.ckDataSize) {
--
2.17.0

69
audio/wavpack/files/patch-CVE-2018-7254 Normal file
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@ -0,0 +1,69 @@
From 8e3fe45a7bac31d9a3b558ae0079e2d92a04799e Mon Sep 17 00:00:00 2001
From: David Bryant <david@wavpack.com>
Date: Sun, 11 Feb 2018 16:37:47 -0800
Subject: [PATCH 3/6] issue #28, fix buffer overflows and bad allocs on corrupt
CAF files
---
cli/caff.c | 30 +++++++++++++++++++++++-------
1 file changed, 23 insertions(+), 7 deletions(-)
diff --git cli/caff.c cli/caff.c
index ae57c4b..6248a71 100644
--- cli/caff.c
+++ cli/caff.c
@@ -89,8 +89,8 @@ typedef struct
#define CAFChannelDescriptionFormat "LLLLL"
-static const char TMH_full [] = { 1,2,3,13,9,10,5,6,12,14,15,16,17,9,4,18,7,8,19,20,21 };
-static const char TMH_std [] = { 1,2,3,11,8,9,5,6,10,12,13,14,15,7,4,16 };
+static const char TMH_full [] = { 1,2,3,13,9,10,5,6,12,14,15,16,17,9,4,18,7,8,19,20,21,0 };
+static const char TMH_std [] = { 1,2,3,11,8,9,5,6,10,12,13,14,15,7,4,16,0 };
static struct {
uint32_t mChannelLayoutTag; // Core Audio layout, 100 - 146 in high word, num channels in low word
@@ -274,10 +274,19 @@ int ParseCaffHeaderConfig (FILE *infile, char *infilename, char *fourcc, Wavpack
}
}
else if (!strncmp (caf_chunk_header.mChunkType, "chan", 4)) {
- CAFChannelLayout *caf_channel_layout = malloc ((size_t) caf_chunk_header.mChunkSize);
+ CAFChannelLayout *caf_channel_layout;
- if (caf_chunk_header.mChunkSize < sizeof (CAFChannelLayout) ||
- !DoReadFile (infile, caf_channel_layout, (uint32_t) caf_chunk_header.mChunkSize, &bcount) ||
+ if (caf_chunk_header.mChunkSize < sizeof (CAFChannelLayout) || caf_chunk_header.mChunkSize > 1024) {
+ error_line ("this .CAF file has an invalid 'chan' chunk!");
+ return WAVPACK_SOFT_ERROR;
+ }
+
+ if (debug_logging_mode)
+ error_line ("'chan' chunk is %d bytes", (int) caf_chunk_header.mChunkSize);
+
+ caf_channel_layout = malloc ((size_t) caf_chunk_header.mChunkSize);
+
+ if (!DoReadFile (infile, caf_channel_layout, (uint32_t) caf_chunk_header.mChunkSize, &bcount) ||
bcount != caf_chunk_header.mChunkSize) {
error_line ("%s is not a valid .CAF file!", infilename);
free (caf_channel_layout);
@@ -495,8 +504,15 @@ int ParseCaffHeaderConfig (FILE *infile, char *infilename, char *fourcc, Wavpack
}
else { // just copy unknown chunks to output file
- int bytes_to_copy = (uint32_t) caf_chunk_header.mChunkSize;
- char *buff = malloc (bytes_to_copy);
+ uint32_t bytes_to_copy = (uint32_t) caf_chunk_header.mChunkSize;
+ char *buff;
+
+ if (caf_chunk_header.mChunkSize < 0 || caf_chunk_header.mChunkSize > 1048576) {
+ error_line ("%s is not a valid .CAF file!", infilename);
+ return WAVPACK_SOFT_ERROR;
+ }
+
+ buff = malloc (bytes_to_copy);
if (debug_logging_mode)
error_line ("extra unknown chunk \"%c%c%c%c\" of %d bytes",
--
2.17.0

36
audio/wavpack/files/patch-fix-memory-leaks Normal file
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@ -0,0 +1,36 @@
From 0a72951de8feaaf4c6e1740b5cb5cd0401b00464 Mon Sep 17 00:00:00 2001
From: David Bryant <david@wavpack.com>
Date: Sun, 8 Apr 2018 16:27:40 -0700
Subject: [PATCH 4/6] fix memory leaks
---
src/common_utils.c | 13 +++++++++++++
1 file changed, 13 insertions(+)
diff --git src/common_utils.c src/common_utils.c
index c53db91..f8ddc63 100644
--- src/common_utils.c
+++ src/common_utils.c
@@ -384,6 +384,19 @@ WavpackContext *WavpackCloseFile (WavpackContext *wpc)
WavpackFreeWrapper (wpc);
+ if (wpc->metadata) {
+ int i;
+
+ for (i = 0; i < wpc->metacount; ++i)
+ if (wpc->metadata [i].data)
+ free (wpc->metadata [i].data);
+
+ free (wpc->metadata);
+ }
+
+ if (wpc->channel_identities)
+ free (wpc->channel_identities);
+
if (wpc->channel_reordering)
free (wpc->channel_reordering);
--
2.17.0