diff options
Diffstat (limited to 'poky/meta/recipes-connectivity/avahi/files/CVE-2023-38471-2.patch')
-rw-r--r-- | poky/meta/recipes-connectivity/avahi/files/CVE-2023-38471-2.patch | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/poky/meta/recipes-connectivity/avahi/files/CVE-2023-38471-2.patch b/poky/meta/recipes-connectivity/avahi/files/CVE-2023-38471-2.patch new file mode 100644 index 0000000000..44737bfc2e --- /dev/null +++ b/poky/meta/recipes-connectivity/avahi/files/CVE-2023-38471-2.patch @@ -0,0 +1,52 @@ +From b675f70739f404342f7f78635d6e2dcd85a13460 Mon Sep 17 00:00:00 2001 +From: Evgeny Vereshchagin <evvers@ya.ru> +Date: Tue, 24 Oct 2023 22:04:51 +0000 +Subject: [PATCH] core: return errors from avahi_server_set_host_name properly + +It's a follow-up to 894f085f402e023a98cbb6f5a3d117bd88d93b09 + +Upstream-Status: Backport [import from ubuntu https://git.launchpad.net/ubuntu/+source/avahi/tree/debian/patches/CVE-2023-38471-2.patch?h=ubuntu/jammy-security +Upstream commit https://github.com/lathiat/avahi/commit/b675f70739f404342f7f78635d6e2dcd85a13460] +CVE: CVE-2023-38471 #Follow-up Patch +Signed-off-by: Vijay Anusuri <vanusuri@mvista.com> +--- + avahi-core/server.c | 9 ++++++--- + 1 file changed, 6 insertions(+), 3 deletions(-) + +Index: avahi-0.8/avahi-core/server.c +=================================================================== +--- avahi-0.8.orig/avahi-core/server.c ++++ avahi-0.8/avahi-core/server.c +@@ -1309,10 +1309,13 @@ int avahi_server_set_host_name(AvahiServ + else + hn = avahi_normalize_name_strdup(host_name); + ++ if (!hn) ++ return avahi_server_set_errno(s, AVAHI_ERR_NO_MEMORY); ++ + h = hn; + if (!avahi_unescape_label((const char **)&hn, label, sizeof(label))) { + avahi_free(h); +- return AVAHI_ERR_INVALID_HOST_NAME; ++ return avahi_server_set_errno(s, AVAHI_ERR_INVALID_HOST_NAME); + } + + avahi_free(h); +@@ -1320,7 +1323,7 @@ int avahi_server_set_host_name(AvahiServ + h = label_escaped; + len = sizeof(label_escaped); + if (!avahi_escape_label(label, strlen(label), &h, &len)) +- return AVAHI_ERR_INVALID_HOST_NAME; ++ return avahi_server_set_errno(s, AVAHI_ERR_INVALID_HOST_NAME); + + if (avahi_domain_equal(s->host_name, label_escaped) && s->state != AVAHI_SERVER_COLLISION) + return avahi_server_set_errno(s, AVAHI_ERR_NO_CHANGE); +@@ -1330,7 +1333,7 @@ int avahi_server_set_host_name(AvahiServ + avahi_free(s->host_name); + s->host_name = avahi_strdup(label_escaped); + if (!s->host_name) +- return AVAHI_ERR_NO_MEMORY; ++ return avahi_server_set_errno(s, AVAHI_ERR_NO_MEMORY); + + update_fqdn(s); + |