@@ -26,6 +26,7 @@ SRC_URI = "https://github.com/lathiat/avahi/releases/download/v${PV}/avahi-${PV}
file://0001-Fix-opening-etc-resolv.conf-error.patch \
file://handle-hup.patch \
file://local-ping.patch \
+ file://CVE-2023-38470.patch \
"
UPSTREAM_CHECK_URI = "https://github.com/lathiat/avahi/releases/"
new file mode 100644
@@ -0,0 +1,54 @@
+From 5fe17efad532a39d550f364683bc9386822a9eb9 Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Petr=20Men=C5=A1=C3=ADk?= <pemensik@redhat.com>
+Date: Tue, 11 Apr 2023 15:29:59 +0200
+Subject: [PATCH] avahi: Ensure each label is at least one byte long
+
+Upstream-Status: Backport [https://github.com/lathiat/avahi/pull/457/commits/b6cf29f98adce7355e8c51a6af1e338a5f94e16e]
+CVE: CVE-2023-38470
+
+Signed-off-by: Meenali Gupta <meenali.gupta@windriver.com>
+---
+ avahi-common/domain-test.c | 14 ++++++++++++++
+ avahi-common/domain.c | 2 +-
+ 2 files changed, 15 insertions(+), 1 deletion(-)
+
+diff --git a/avahi-common/domain-test.c b/avahi-common/domain-test.c
+index cf763ec..3acc1c1 100644
+--- a/avahi-common/domain-test.c
++++ b/avahi-common/domain-test.c
+@@ -45,6 +45,20 @@ int main(AVAHI_GCC_UNUSED int argc, AVAHI_GCC_UNUSED char *argv[]) {
+ printf("%s\n", s = avahi_normalize_name_strdup("fo\\\\o\\..f oo."));
+ avahi_free(s);
+
++ printf("%s\n", s = avahi_normalize_name_strdup("."));
++ avahi_free(s);
++
++ s = avahi_normalize_name_strdup(",.=.}.=.?-.}.=.?.?.}.}.?.?.?.z.?.?.}.}."
++ "}.?.?.?.r.=.=.}.=.?.}}.}.?.?.?.zM.=.=.?.?.}.}.?.?.}.}.}"
++ ".?.?.?.r.=.=.}.=.?.}}.}.?.?.?.zM.=.=.?.?.}.}.?.?.?.zM.?`"
++ "?.}.}.}.?.?.?.r.=.?.}.=.?.?.}.?.?.?.}.=.?.?.}??.}.}.?.?."
++ "?.z.?.?.}.}.}.?.?.?.r.=.=.}.=.?.}}.}.?.?.?.zM.?`?.}.}.}."
++ "??.?.zM.?`?.}.}.}.?.?.?.r.=.?.}.=.?.?.}.?.?.?.}.=.?.?.}?"
++ "?.}.}.?.?.?.z.?.?.}.}.}.?.?.?.r.=.=.}.=.?.}}.}.?.?.?.zM."
++ "?`?.}.}.}.?.?.?.r.=.=.?.?`.?.?}.}.}.?.?.?.r.=.?.}.=.?.?."
++ "}.?.?.?.}.=.?.?.}");
++ assert(s == NULL);
++
+ printf("%i\n", avahi_domain_equal("\\065aa bbb\\.\\046cc.cc\\\\.dee.fff.", "Aaa BBB\\.\\.cc.cc\\\\.dee.fff"));
+ printf("%i\n", avahi_domain_equal("A", "a"));
+
+diff --git a/avahi-common/domain.c b/avahi-common/domain.c
+index 3b1ab68..e66d241 100644
+--- a/avahi-common/domain.c
++++ b/avahi-common/domain.c
+@@ -201,7 +201,7 @@ char *avahi_normalize_name(const char *s, char *ret_s, size_t size) {
+ }
+
+ if (!empty) {
+- if (size < 1)
++ if (size < 2)
+ return NULL;
+
+ *(r++) = '.';
+--
+2.40.0