sox: patch CVE-2019-13590

Details: https://nvd.nist.gov/vuln/detail/CVE-2019-13590

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

[1]: https://security-tracker.debian.org/tracker/CVE-2019-13590

Signed-off-by: Gyorgy Sarvari <skandigraun@gmail.com>
Signed-off-by: Anuj Mittal <anuj.mittal@oss.qualcomm.com>

meta-multimedia/recipes-multimedia/sox/sox/CVE-2019-13590.patch

@@ -0,0 +1,34 @@
+From aa8f02729962a0ee5e9864de90871fa821f262be Mon Sep 17 00:00:00 2001
+From: Mans Rullgard <mans@mansr.com>
+Date: Tue, 4 Feb 2020 12:55:18 +0000
+Subject: [PATCH] sox-fmt: validate comments_bytes before use (CVE-2019-13590)
+ [bug #325]
+
+Cap the comments size to 1 GB to avoid overflows in subsequent
+arithmetic.
+
+The missing null check mentioned in the bug report is bogus since
+lsx_calloc() returns a valid pointer or aborts.
+
+CVE: CVE-2019-13590
+Upstream-Status: Backport [https://github.com/mansr/sox/commit/7b6a889217d62ed7e28188621403cc7542fd1f7e]
+Signed-off-by: Gyorgy Sarvari <skandigraun@gmail.com>
+---
+ src/sox-fmt.c | 4 +++-
+ 1 file changed, 3 insertions(+), 1 deletion(-)
+
+diff --git a/src/sox-fmt.c b/src/sox-fmt.c
+index aad965c..11c8877 100644
+--- a/src/sox-fmt.c
++++ b/src/sox-fmt.c
+@@ -46,7 +46,9 @@ static int startread(sox_format_t * ft)
+       lsx_readdw(ft, &comments_bytes))
+     return SOX_EOF;
+ 
+-  if (((headers_bytes + 4) & 7) || headers_bytes < FIXED_HDR + comments_bytes ||
++  if (((headers_bytes + 4) & 7) ||
++      comments_bytes > 0x40000000 || /* max 1 GB */
++      headers_bytes < FIXED_HDR + comments_bytes ||
+       (num_channels > 65535)) /* Reserve top 16 bits */ {
+     lsx_fail_errno(ft, SOX_EHDR, "invalid sox file format header");
+     return SOX_EOF;

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

@@ -38,6 +38,7 @@ SRC_URI = "${SOURCEFORGE_MIRROR}/sox/sox-${PV}.tar.gz \
            file://CVE-2017-15372.patch \
            file://CVE-2017-15642.patch \
            file://CVE-2017-18189.patch \
+           file://CVE-2019-13590.patch \
            "
 SRC_URI[md5sum] = "d04fba2d9245e661f245de0577f48a33"
 SRC_URI[sha256sum] = "b45f598643ffbd8e363ff24d61166ccec4836fea6d3888881b8df53e3bb55f6c"