cyrus-sasl: fix CVE-2019-19906

Signed-off-by: Changqing Li <changqing.li@windriver.com>
Signed-off-by: Khem Raj <raj.khem@gmail.com>

meta-networking/recipes-daemons/cyrus-sasl/cyrus-sasl/CVE-2019-19906.patch

@@ -0,0 +1,35 @@
+From 94fe6eb9ea2691f4a7c32fbf2d0c7c454995b666 Mon Sep 17 00:00:00 2001
+From: Changqing Li <changqing.li@windriver.com>
+Date: Thu, 27 Feb 2020 11:08:57 +0800
+Subject: [PATCH] Fix #587
+
+Off by one error in common.c, CVE-2019-19906.
+
+Thanks to Stephan Zeisberg for reporting
+
+CVE: CVE-2019-19906
+
+Upstream-Stauts: Backport [https://github.com/cyrusimap/cyrus-sasl
+/commit/dcc9f51cbd4ed622cfb0f9b1c141eb2ffe3b12f1]
+
+Signed-off-by: Changqing Li <changqing.li@windriver.com>
+---
+ lib/common.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/lib/common.c b/lib/common.c
+index 305311d..445c5d5 100644
+--- a/lib/common.c
++++ b/lib/common.c
+@@ -190,7 +190,7 @@ int _sasl_add_string(char **out, size_t *alloclen,
+ 
+   if (add==NULL) add = "(null)";
+ 
+-  addlen=strlen(add); /* only compute once */
++  addlen=strlen(add)+1; /* only compute once */
+   if (_buf_alloc(out, alloclen, (*outlen)+addlen)!=SASL_OK)
+     return SASL_NOMEM;
+ 
+-- 
+2.7.4
+

meta-networking/recipes-daemons/cyrus-sasl/cyrus-sasl_2.1.27.bb

@@ -16,6 +16,7 @@ SRC_URI = "git://github.com/cyrusimap/cyrus-sasl;protocol=https \
            file://0004-configure.ac-fix-condition-for-suppliment-snprintf-i.patch \
            file://0001-Allow-saslauthd-to-be-built-outside-of-source-tree-w.patch \
            file://0001-makeinit.sh-fix-parallel-build-issue.patch \
+           file://CVE-2019-19906.patch \
            "
 
 UPSTREAM_CHECK_URI = "https://github.com/cyrusimap/cyrus-sasl/archives"