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authorGravatar Peter Korsgaard <peter@korsgaard.com>2017-03-30 23:03:31 +0200
committerGravatar Peter Korsgaard <peter@korsgaard.com>2017-03-31 13:36:17 +0200
commitcc00bde57fc20d11f8fa4e8ec5f193c091714c55 (patch)
tree75d07e9f0e221b972e7ceca27399eec8641193d2
parent3143910eec12a5b23e853b3177bf316ac186b87a (diff)
downloadbuildroot-cc00bde57fc20d11f8fa4e8ec5f193c091714c55.tar.gz
buildroot-cc00bde57fc20d11f8fa4e8ec5f193c091714c55.tar.bz2
audiofile: add security patch for CVE-2017-6827 / CVE-2017-6828 / CVE-2017-6832 / CVE-2017-6833 / CVE-2017-6835 / CVE-2017-6837
CVE-2017-6827: A heap-based buffer overflow in the MSADPCM::initializeCoefficients function in MSADPCM.cpp in audiofile (aka libaudiofile and Audio File Library) 0.3.6 allows remote attackers to have unspecified impact via a crafted audio file. https://blogs.gentoo.org/ago/2017/02/20/audiofile-heap-based-buffer-overflow-in-msadpcminitializecoefficients-msadpcm-cpp https://github.com/mpruett/audiofile/issues/32 CVE-2017-6828: A Heap-based buffer overflow in the readValue function in FileHandle.cpp in audiofile (aka libaudiofile and Audio File Library) 0.3.6 allows remote attackers to have unspecified impact via a crafted WAV file. https://blogs.gentoo.org/ago/2017/02/20/audiofile-heap-based-buffer-overflow-in-readvalue-filehandle-cpp https://github.com/mpruett/audiofile/issues/31 CVE-2017-6832: A Heap-based buffer overflow in the decodeBlock in MSADPCM.cpp in Audio File Library (aka audiofile) 0.3.6 allows remote attackers to cause a denial of service (crash) via a crafted file. https://blogs.gentoo.org/ago/2017/02/20/audiofile-heap-based-buffer-overflow-in-msadpcmdecodeblock-msadpcm-cpp https://github.com/mpruett/audiofile/issues/36 CVE-2017-6833: The runPull function in libaudiofile/modules/BlockCodec.cpp in Audio File Library (aka audiofile) 0.3.6 allows remote attackers to cause a denial of service (divide-by-zero error and crash) via a crafted file. https://blogs.gentoo.org/ago/2017/02/20/audiofile-divide-by-zero-in-blockcodecrunpull-blockcodec-cpp https://github.com/mpruett/audiofile/issues/37 CVE-2017-6835: The reset1 function in libaudiofile/modules/BlockCodec.cpp in Audio File Library (aka audiofile) 0.3.6 allows remote attackers to cause a denial of service (divide-by-zero error and crash) via a crafted file. https://blogs.gentoo.org/ago/2017/02/20/audiofile-divide-by-zero-in-blockcodecreset1-blockcodec-cpp https://github.com/mpruett/audiofile/issues/39 CVE-2017-6837: WAVE.cpp in Audio File Library (aka audiofile) 0.3.6 allows remote attackers to cause a denial of service (crash) via vectors related to a large number of coefficients. http://blogs.gentoo.org/ago/2017/02/20/audiofile-multiple-ubsan-crashes/ https://github.com/mpruett/audiofile/issues/41 Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
-rw-r--r--package/audiofile/0003-Always-check-the-number-of-coefficients.patch36
1 files changed, 36 insertions, 0 deletions
diff --git a/package/audiofile/0003-Always-check-the-number-of-coefficients.patch b/package/audiofile/0003-Always-check-the-number-of-coefficients.patch
new file mode 100644
index 0000000000..5c99c3cd7e
--- /dev/null
+++ b/package/audiofile/0003-Always-check-the-number-of-coefficients.patch
@@ -0,0 +1,36 @@
+From c48e4c6503f7dabd41f11d4c9c7b7f8960e7f2c0 Mon Sep 17 00:00:00 2001
+From: Antonio Larrosa <larrosa@kde.org>
+Date: Mon, 6 Mar 2017 12:51:22 +0100
+Subject: [PATCH] Always check the number of coefficients
+
+When building the library with NDEBUG, asserts are eliminated
+so it's better to always check that the number of coefficients
+is inside the array range.
+
+This fixes the 00191-audiofile-indexoob issue in #41
+
+Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
+---
+ libaudiofile/WAVE.cpp | 6 ++++++
+ 1 file changed, 6 insertions(+)
+
+diff --git a/libaudiofile/WAVE.cpp b/libaudiofile/WAVE.cpp
+index 0e81cf7..61f9541 100644
+--- a/libaudiofile/WAVE.cpp
++++ b/libaudiofile/WAVE.cpp
+@@ -281,6 +281,12 @@ status WAVEFile::parseFormat(const Tag &id, uint32_t size)
+
+ /* numCoefficients should be at least 7. */
+ assert(numCoefficients >= 7 && numCoefficients <= 255);
++ if (numCoefficients < 7 || numCoefficients > 255)
++ {
++ _af_error(AF_BAD_HEADER,
++ "Bad number of coefficients");
++ return AF_FAIL;
++ }
+
+ m_msadpcmNumCoefficients = numCoefficients;
+
+--
+2.11.0
+