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guix/gnu/packages/patches/soundtouch-CVE-2018-1000223...

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Fix CVE-2018-1000223:
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-1000223
https://gitlab.com/soundtouch/soundtouch/issues/6
Patches copied from upstream source repository:
https://gitlab.com/soundtouch/soundtouch/commit/9e02d9b04fda6c1f44336ff00bb5af1e2ffc039e
https://gitlab.com/soundtouch/soundtouch/commit/e0240689056e4182fffdc2a16aa6e3425a15e275
https://gitlab.com/soundtouch/soundtouch/commit/46531e5b92dd80dd9a7947463d6224fc7cb21967
From 9e02d9b04fda6c1f44336ff00bb5af1e2ffc039e Mon Sep 17 00:00:00 2001
From: oparviainen <oparviai@iki.fi>
Date: Sun, 12 Aug 2018 20:24:37 +0300
Subject: [PATCH] Added minimum size check for WAV header block lengh values
---
source/SoundStretch/WavFile.cpp | 10 +++++++++-
1 file changed, 9 insertions(+), 1 deletion(-)
diff --git a/source/SoundStretch/WavFile.cpp b/source/SoundStretch/WavFile.cpp
index 7e7ade2..68818c9 100644
--- a/source/SoundStretch/WavFile.cpp
+++ b/source/SoundStretch/WavFile.cpp
@@ -530,7 +530,11 @@ int WavInFile::readHeaderBlock()
// read length of the format field
if (fread(&nLen, sizeof(int), 1, fptr) != 1) return -1;
// swap byte order if necessary
- _swap32(nLen); // int format_len;
+ _swap32(nLen);
+
+ // verify that header length isn't smaller than expected
+ if (nLen < sizeof(header.format) - 8) return -1;
+
header.format.format_len = nLen;
// calculate how much length differs from expected
@@ -572,6 +576,10 @@ int WavInFile::readHeaderBlock()
if (fread(&nLen, sizeof(int), 1, fptr) != 1) return -1;
// swap byte order if necessary
_swap32(nLen); // int fact_len;
+
+ // verify that fact length isn't smaller than expected
+ if (nLen < sizeof(header.fact) - 8) return -1;
+
header.fact.fact_len = nLen;
// calculate how much length differs from expected
--
2.18.0
From e0240689056e4182fffdc2a16aa6e3425a15e275 Mon Sep 17 00:00:00 2001
From: oparviainen <oparviai@iki.fi>
Date: Mon, 13 Aug 2018 19:16:16 +0300
Subject: [PATCH] Fixed WavFile header/fact not-too-small check
---
source/SoundStretch/WavFile.cpp | 22 +++++++++++-----------
1 file changed, 11 insertions(+), 11 deletions(-)
diff --git a/source/SoundStretch/WavFile.cpp b/source/SoundStretch/WavFile.cpp
index 4af7a4c..3421bca 100644
--- a/source/SoundStretch/WavFile.cpp
+++ b/source/SoundStretch/WavFile.cpp
@@ -518,13 +518,13 @@ int WavInFile::readHeaderBlock()
// swap byte order if necessary
_swap32(nLen);
- // verify that header length isn't smaller than expected
- if (nLen < sizeof(header.format) - 8) return -1;
+ // calculate how much length differs from expected
+ nDump = nLen - ((int)sizeof(header.format) - 8);
- header.format.format_len = nLen;
+ // verify that header length isn't smaller than expected structure
+ if (nDump < 0) return -1;
- // calculate how much length differs from expected
- nDump = nLen - ((int)sizeof(header.format) - 8);
+ header.format.format_len = nLen;
// if format_len is larger than expected, read only as much data as we've space for
if (nDump > 0)
@@ -561,16 +561,16 @@ int WavInFile::readHeaderBlock()
// read length of the fact field
if (fread(&nLen, sizeof(int), 1, fptr) != 1) return -1;
// swap byte order if necessary
- _swap32(nLen); // int fact_len;
-
- // verify that fact length isn't smaller than expected
- if (nLen < sizeof(header.fact) - 8) return -1;
-
- header.fact.fact_len = nLen;
+ _swap32(nLen);
// calculate how much length differs from expected
nDump = nLen - ((int)sizeof(header.fact) - 8);
+ // verify that fact length isn't smaller than expected structure
+ if (nDump < 0) return -1;
+
+ header.fact.fact_len = nLen;
+
// if format_len is larger than expected, read only as much data as we've space for
if (nDump > 0)
{
--
2.18.0
From 46531e5b92dd80dd9a7947463d6224fc7cb21967 Mon Sep 17 00:00:00 2001
From: olli <oparviai@iki.fi>
Date: Mon, 13 Aug 2018 19:42:58 +0300
Subject: [PATCH] Improved WavFile header/fact not-too-small check
---
source/SoundStretch/WavFile.cpp | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/source/SoundStretch/WavFile.cpp b/source/SoundStretch/WavFile.cpp
index 3421bca..9d90b8a 100644
--- a/source/SoundStretch/WavFile.cpp
+++ b/source/SoundStretch/WavFile.cpp
@@ -522,7 +522,7 @@ int WavInFile::readHeaderBlock()
nDump = nLen - ((int)sizeof(header.format) - 8);
// verify that header length isn't smaller than expected structure
- if (nDump < 0) return -1;
+ if ((nLen < 0) || (nDump < 0)) return -1;
header.format.format_len = nLen;
@@ -567,7 +567,7 @@ int WavInFile::readHeaderBlock()
nDump = nLen - ((int)sizeof(header.fact) - 8);
// verify that fact length isn't smaller than expected structure
- if (nDump < 0) return -1;
+ if ((nLen < 0) || (nDump < 0)) return -1;
header.fact.fact_len = nLen;
--
2.18.0