libconfuse: patch CVE-2022-40320

Details: https://nvd.nist.gov/vuln/detail/CVE-2022-40320

Pick the patch that was marked to resolve the github bug in the NVD advisory.

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

meta-networking/recipes-support/libconfuse/libconfuse/CVE-2022-40320.patch

@@ -0,0 +1,40 @@
+From ee3769c0bb797e648dd16997148aad135283e829 Mon Sep 17 00:00:00 2001
+From: Joachim Wiberg <troglobit@gmail.com>
+Date: Fri, 2 Sep 2022 16:12:46 +0200
+Subject: [PATCH] Fix #163: unterminated username used with getpwnam()
+
+Signed-off-by: Joachim Wiberg <troglobit@gmail.com>
+
+CVE: CVE-2022-40320
+Upstream-Status: Backport [https://github.com/libconfuse/libconfuse/commit/d73777c2c3566fb2647727bb56d9a2295b81669b]
+Signed-off-by: Gyorgy Sarvari <skandigraun@gmail.com>
+---
+ src/confuse.c | 7 +++++--
+ 1 file changed, 5 insertions(+), 2 deletions(-)
+
+diff --git a/src/confuse.c b/src/confuse.c
+index ce4fca8..18dbccf 100644
+--- a/src/confuse.c
++++ b/src/confuse.c
+@@ -1865,16 +1865,19 @@ DLLIMPORT char *cfg_tilde_expand(const char *filename)
+ 		} else {
+ 			/* ~user or ~user/path */
+ 			char *user;
++			size_t len;
+ 
+ 			file = strchr(filename, '/');
+ 			if (file == 0)
+ 				file = filename + strlen(filename);
+ 
+-			user = malloc(file - filename);
++			len = file - filename - 1;
++			user = malloc(len + 1);
+ 			if (!user)
+ 				return NULL;
+ 
+-			strncpy(user, filename + 1, file - filename - 1);
++			strncpy(user, &filename[1], len);
++			user[len] = 0;
+ 			passwd = getpwnam(user);
+ 			free(user);
+ 		}

meta-networking/recipes-support/libconfuse/libconfuse_3.3.bb

@@ -3,7 +3,9 @@ LICENSE = "ISC"
 LIC_FILES_CHKSUM = "file://LICENSE;md5=42fa47330d4051cd219f7d99d023de3a"
 
 SRCREV = "a42aebf13db33afd575da6e63f55163d371f776d"
-SRC_URI = "git://github.com/libconfuse/libconfuse.git;branch=master;protocol=https"
+SRC_URI = "git://github.com/libconfuse/libconfuse.git;branch=master;protocol=https \
+           file://CVE-2022-40320.patch \
+           "
 
 inherit autotools-brokensep pkgconfig gettext