diff options
Diffstat (limited to 'gnu/packages/patches/avahi-CVE-2018-1000845.patch')
| -rw-r--r-- | gnu/packages/patches/avahi-CVE-2018-1000845.patch | 42 |
1 files changed, 0 insertions, 42 deletions
diff --git a/gnu/packages/patches/avahi-CVE-2018-1000845.patch b/gnu/packages/patches/avahi-CVE-2018-1000845.patch deleted file mode 100644 index e5b13e0bee..0000000000 --- a/gnu/packages/patches/avahi-CVE-2018-1000845.patch +++ /dev/null @@ -1,42 +0,0 @@ -From e111def44a7df4624a4aa3f85fe98054bffb6b4f Mon Sep 17 00:00:00 2001 -From: Trent Lloyd <trent@lloyd.id.au> -Date: Sat, 22 Dec 2018 09:06:07 +0800 -Subject: [PATCH] Drop legacy unicast queries from address not on local link - -When handling legacy unicast queries, ensure that the source IP is -inside a subnet on the local link, otherwise drop the packet. - -Fixes #145 -Fixes #203 -CVE-2017-6519 -CVE-2018-100084 ---- - avahi-core/server.c | 8 ++++++++ - 1 file changed, 8 insertions(+) - -diff --git a/avahi-core/server.c b/avahi-core/server.c -index a2cb19a8..a2580e38 100644 ---- a/avahi-core/server.c -+++ b/avahi-core/server.c -@@ -930,6 +930,7 @@ static void dispatch_packet(AvahiServer *s, AvahiDnsPacket *p, const AvahiAddres - - if (avahi_dns_packet_is_query(p)) { - int legacy_unicast = 0; -+ char t[AVAHI_ADDRESS_STR_MAX]; - - /* For queries EDNS0 might allow ARCOUNT != 0. We ignore the - * AR section completely here, so far. Until the day we add -@@ -947,6 +948,13 @@ static void dispatch_packet(AvahiServer *s, AvahiDnsPacket *p, const AvahiAddres - legacy_unicast = 1; - } - -+ if (!is_mdns_mcast_address(dst_address) && -+ !avahi_interface_address_on_link(i, src_address)) { -+ -+ avahi_log_debug("Received non-local unicast query from host %s on interface '%s.%i'.", avahi_address_snprint(t, sizeof(t), src_address), i->hardware->name, i->protocol); -+ return; -+ } -+ - if (legacy_unicast) - reflect_legacy_unicast_query_packet(s, p, i, src_address, port); - |