From 65f704f3735fa7c979f36629d402b9458cc96ad0 Mon Sep 17 00:00:00 2001 From: Marius Bakke Date: Fri, 23 Feb 2018 13:07:51 +0100 Subject: gnu: wavpack: Fix CVE-2018-7253 and CVE-2018-7254. * gnu/packages/patches/wavpack-CVE-2018-7253.patch, gnu/packages/patches/wavpack-CVE-2018-7254.patch: New files. * gnu/local.mk (dist_patch_DATA): Register them. * gnu/packages/audio.scm (wavpack)[source](patches): Use them. --- gnu/packages/patches/wavpack-CVE-2018-7254.patch | 62 ++++++++++++++++++++++++ 1 file changed, 62 insertions(+) create mode 100644 gnu/packages/patches/wavpack-CVE-2018-7254.patch (limited to 'gnu/packages/patches/wavpack-CVE-2018-7254.patch') diff --git a/gnu/packages/patches/wavpack-CVE-2018-7254.patch b/gnu/packages/patches/wavpack-CVE-2018-7254.patch new file mode 100644 index 0000000000..61db296ec8 --- /dev/null +++ b/gnu/packages/patches/wavpack-CVE-2018-7254.patch @@ -0,0 +1,62 @@ +Fix CVE-2018-7254: +https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-7254 + +Copied from upstream: +https://github.com/dbry/WavPack/commit/8e3fe45a7bac31d9a3b558ae0079e2d92a04799e + +diff --git a/cli/caff.c b/cli/caff.c +index ae57c4b..6248a71 100644 +--- a/cli/caff.c ++++ b/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", -- cgit v1.2.3