diff options
Diffstat (limited to 'meta-openbmc-mods/meta-common/recipes-connectivity/avahi/avahi/CVE-2023-1981.patch')
-rw-r--r-- | meta-openbmc-mods/meta-common/recipes-connectivity/avahi/avahi/CVE-2023-1981.patch | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/meta-openbmc-mods/meta-common/recipes-connectivity/avahi/avahi/CVE-2023-1981.patch b/meta-openbmc-mods/meta-common/recipes-connectivity/avahi/avahi/CVE-2023-1981.patch new file mode 100644 index 000000000..d1f05b7b7 --- /dev/null +++ b/meta-openbmc-mods/meta-common/recipes-connectivity/avahi/avahi/CVE-2023-1981.patch @@ -0,0 +1,53 @@ +From a2696da2f2c50ac43b6c4903f72290d5c3fa9f6f Mon Sep 17 00:00:00 2001 +From: =?UTF-8?q?Petr=20Men=C5=A1=C3=ADk?= <pemensik@redhat.com> +Date: Thu, 17 Nov 2022 01:51:53 +0100 +Subject: [PATCH] Emit error if requested service is not found + +It currently just crashes instead of replying with error. Check return +value and emit error instead of passing NULL pointer to reply. + +Fixes #375 +--- + avahi-daemon/dbus-protocol.c | 20 ++++++++++++++------ + 1 file changed, 14 insertions(+), 6 deletions(-) + +diff --git a/avahi-daemon/dbus-protocol.c b/avahi-daemon/dbus-protocol.c +index 70d7687bc..406d0b441 100644 +--- a/avahi-daemon/dbus-protocol.c ++++ b/avahi-daemon/dbus-protocol.c +@@ -375,10 +375,14 @@ static DBusHandlerResult dbus_get_alternative_host_name(DBusConnection *c, DBusM + } + + t = avahi_alternative_host_name(n); +- avahi_dbus_respond_string(c, m, t); +- avahi_free(t); ++ if (t) { ++ avahi_dbus_respond_string(c, m, t); ++ avahi_free(t); + +- return DBUS_HANDLER_RESULT_HANDLED; ++ return DBUS_HANDLER_RESULT_HANDLED; ++ } else { ++ return avahi_dbus_respond_error(c, m, AVAHI_ERR_NOT_FOUND, "Hostname not found"); ++ } + } + + static DBusHandlerResult dbus_get_alternative_service_name(DBusConnection *c, DBusMessage *m, DBusError *error) { +@@ -389,10 +393,14 @@ static DBusHandlerResult dbus_get_alternative_service_name(DBusConnection *c, DB + } + + t = avahi_alternative_service_name(n); +- avahi_dbus_respond_string(c, m, t); +- avahi_free(t); ++ if (t) { ++ avahi_dbus_respond_string(c, m, t); ++ avahi_free(t); + +- return DBUS_HANDLER_RESULT_HANDLED; ++ return DBUS_HANDLER_RESULT_HANDLED; ++ } else { ++ return avahi_dbus_respond_error(c, m, AVAHI_ERR_NOT_FOUND, "Service not found"); ++ } + } + + static DBusHandlerResult dbus_create_new_entry_group(DBusConnection *c, DBusMessage *m, DBusError *error) { |