sox: patch CVE-2019-8354

Details: https://nvd.nist.gov/vuln/detail/CVE-2019-8354

Pick the patch that was identified by Debian[1] as the solution.

[1]: https://security-tracker.debian.org/tracker/CVE-2019-8354

Signed-off-by: Gyorgy Sarvari <skandigraun@gmail.com>

meta-multimedia/recipes-multimedia/sox/sox/CVE-2019-8354.patch

@@ -0,0 +1,29 @@
+From 5066f093b08b4033f59ea6d99001f059e919239b Mon Sep 17 00:00:00 2001
+From: Mans Rullgard <mans@mansr.com>
+Date: Wed, 24 Apr 2019 14:57:34 +0100
+Subject: [PATCH] fix possible buffer size overflow in lsx_make_lpf()
+ (CVE-2019-8354)
+
+The multiplication in the size argument malloc() might overflow,
+resulting in a small buffer being allocated.  Use calloc() instead.
+
+CVE: CVE-2019-8354
+Upstream-Status: Backport [https://github.com/mansr/sox/commit/f70911261a84333b077c29908e1242f69d7439eb]
+Signed-off-by: Gyorgy Sarvari <skandigraun@gmail.com>
+---
+ src/effects_i_dsp.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/src/effects_i_dsp.c b/src/effects_i_dsp.c
+index a979b50..e32dfa0 100644
+--- a/src/effects_i_dsp.c
++++ b/src/effects_i_dsp.c
+@@ -357,7 +357,7 @@ double * lsx_make_lpf(int num_taps, double Fc, double beta, double rho,
+     double scale, sox_bool dc_norm)
+ {
+   int i, m = num_taps - 1;
+-  double * h = malloc(num_taps * sizeof(*h)), sum = 0;
++  double * h = calloc(num_taps, sizeof(*h)), sum = 0;
+   double mult = scale / lsx_bessel_I_0(beta), mult1 = 1 / (.5 * m + rho);
+   assert(Fc >= 0 && Fc <= 1);
+   lsx_debug("make_lpf(n=%i Fc=%.7g β=%g ρ=%g dc-norm=%i scale=%g)", num_taps, Fc, beta, rho, dc_norm, scale);

meta-multimedia/recipes-multimedia/sox/sox_14.4.2.bb

@@ -39,6 +39,7 @@ SRC_URI = "${SOURCEFORGE_MIRROR}/sox/sox-${PV}.tar.gz \
            file://CVE-2017-15642.patch \
            file://CVE-2017-18189.patch \
            file://CVE-2019-13590.patch \
+           file://CVE-2019-8354.patch \
            "
 SRC_URI[md5sum] = "d04fba2d9245e661f245de0577f48a33"
 SRC_URI[sha256sum] = "b45f598643ffbd8e363ff24d61166ccec4836fea6d3888881b8df53e3bb55f6c"