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-rw-r--r--meta/recipes-connectivity/avahi/files/CVE-2023-38469-2.patch65
1 files changed, 65 insertions, 0 deletions
diff --git a/meta/recipes-connectivity/avahi/files/CVE-2023-38469-2.patch b/meta/recipes-connectivity/avahi/files/CVE-2023-38469-2.patch
new file mode 100644
index 0000000000..f8f60ddca1
--- /dev/null
+++ b/meta/recipes-connectivity/avahi/files/CVE-2023-38469-2.patch
@@ -0,0 +1,65 @@
+From c6cab87df290448a63323c8ca759baa516166237 Mon Sep 17 00:00:00 2001
+From: Evgeny Vereshchagin <evvers@ya.ru>
+Date: Wed, 25 Oct 2023 18:15:42 +0000
+Subject: [PATCH] tests: pass overly long TXT resource records
+
+to make sure they don't crash avahi any more.
+It reproduces https://github.com/lathiat/avahi/issues/455
+
+Canonical notes:
+nickgalanis> removed first hunk since there is no .github dir in this release
+
+Upstream-Status: Backport [import from ubuntu https://git.launchpad.net/ubuntu/+source/avahi/tree/debian/patches/CVE-2023-38469-2.patch?h=ubuntu/jammy-security
+Upstream commit https://github.com/lathiat/avahi/commit/c6cab87df290448a63323c8ca759baa516166237]
+CVE: CVE-2023-38469
+Signed-off-by: Vijay Anusuri <vanusuri@mvista.com>
+---
+ avahi-client/client-test.c | 14 ++++++++++++++
+ 1 files changed, 14 insertions(+)
+
+Index: avahi-0.8/avahi-client/client-test.c
+===================================================================
+--- avahi-0.8.orig/avahi-client/client-test.c
++++ avahi-0.8/avahi-client/client-test.c
+@@ -22,6 +22,7 @@
+ #endif
+
+ #include <stdio.h>
++#include <string.h>
+ #include <assert.h>
+
+ #include <avahi-client/client.h>
+@@ -33,6 +34,8 @@
+ #include <avahi-common/malloc.h>
+ #include <avahi-common/timeval.h>
+
++#include <avahi-core/dns.h>
++
+ static const AvahiPoll *poll_api = NULL;
+ static AvahiSimplePoll *simple_poll = NULL;
+
+@@ -222,6 +225,9 @@ int main (AVAHI_GCC_UNUSED int argc, AVA
+ uint32_t cookie;
+ struct timeval tv;
+ AvahiAddress a;
++ uint8_t rdata[AVAHI_DNS_RDATA_MAX+1];
++ AvahiStringList *txt = NULL;
++ int r;
+
+ simple_poll = avahi_simple_poll_new();
+ poll_api = avahi_simple_poll_get(simple_poll);
+@@ -258,6 +264,14 @@ int main (AVAHI_GCC_UNUSED int argc, AVA
+ printf("%s\n", avahi_strerror(avahi_entry_group_add_service (group, AVAHI_IF_UNSPEC, AVAHI_PROTO_UNSPEC, 0, "Lathiat's Site", "_http._tcp", NULL, NULL, 80, "foo=bar", NULL)));
+ printf("add_record: %d\n", avahi_entry_group_add_record (group, AVAHI_IF_UNSPEC, AVAHI_PROTO_UNSPEC, 0, "TestX", 0x01, 0x10, 120, "\5booya", 6));
+
++ memset(rdata, 1, sizeof(rdata));
++ r = avahi_string_list_parse(rdata, sizeof(rdata), &txt);
++ assert(r >= 0);
++ assert(avahi_string_list_serialize(txt, NULL, 0) == sizeof(rdata));
++ error = avahi_entry_group_add_service_strlst(group, AVAHI_IF_UNSPEC, AVAHI_PROTO_UNSPEC, 0, "TestX", "_qotd._tcp", NULL, NULL, 123, txt);
++ assert(error == AVAHI_ERR_INVALID_RECORD);
++ avahi_string_list_free(txt);
++
+ avahi_entry_group_commit (group);
+
+ domain = avahi_domain_browser_new (avahi, AVAHI_IF_UNSPEC, AVAHI_PROTO_UNSPEC, NULL, AVAHI_DOMAIN_BROWSER_BROWSE, 0, avahi_domain_browser_callback, (char*) "omghai3u");