1 files changed, 46 insertions, 0 deletions

diff --git a/meta-oe/recipes-multimedia/audiofile/files/0004-Always-check-the-number-of-coefficients.patch b/meta-oe/recipes-multimedia/audiofile/files/0004-Always-check-the-number-of-coefficients.patch
new file mode 100644
index 0000000000..17a97163f5
--- /dev/null
+++ b/meta-oe/recipes-multimedia/audiofile/files/0004-Always-check-the-number-of-coefficients.patch
@@ -0,0 +1,46 @@
+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>
+
+CVE: CVE-2017-6827
+CVE: CVE-2017-6828
+CVE: CVE-2017-6832
+CVE: CVE-2017-6833
+CVE: CVE-2017-6835
+CVE: CVE-2017-6837
+CVE: CVE-2020-18781
+Upstream-Status: Inactive-Upstream [lastrelease: 2013]
+Signed-off-by: Peter Marko <peter.marko@siemens.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
+