SOURCES/0003-Merge-pull-request-from-GHSA-9g78-jv2r-p7vc.patch

@@ -1,82 +0,0 @@
-From b9b8413cfdb70a3f99e1573333b23052d57ec1ae Mon Sep 17 00:00:00 2001
-From: Brad House <brad@brad-house.com>
-Date: Mon, 22 May 2023 06:51:49 -0400
-Subject: [PATCH] Merge pull request from GHSA-9g78-jv2r-p7vc
-
----
- ares_process.c | 41 +++++++++++++++++++++++++----------------
- 1 file changed, 25 insertions(+), 16 deletions(-)
-
-diff --git a/ares_process.c b/ares_process.c
-index bf0cde4..6cac0a9 100644
---- a/ares_process.c
-+++ b/ares_process.c
-@@ -470,7 +470,7 @@ static void read_udp_packets(ares_channel channel, fd_set *read_fds,
- {
-   struct server_state *server;
-   int i;
--  ares_ssize_t count;
-+  ares_ssize_t read_len;
-   unsigned char buf[MAXENDSSZ + 1];
- #ifdef HAVE_RECVFROM
-   ares_socklen_t fromlen;
-@@ -513,32 +513,41 @@ static void read_udp_packets(ares_channel channel, fd_set *read_fds,
-       /* To reduce event loop overhead, read and process as many
-        * packets as we can. */
-       do {
--        if (server->udp_socket == ARES_SOCKET_BAD)
--          count = 0;
--
--        else {
--          if (server->addr.family == AF_INET)
-+        if (server->udp_socket == ARES_SOCKET_BAD) {
-+          read_len = -1;
-+        } else {
-+          if (server->addr.family == AF_INET) {
-             fromlen = sizeof(from.sa4);
--          else
-+          } else {
-             fromlen = sizeof(from.sa6);
--          count = socket_recvfrom(channel, server->udp_socket, (void *)buf,
--                                  sizeof(buf), 0, &from.sa, &fromlen);
-+          }
-+          read_len = socket_recvfrom(channel, server->udp_socket, (void *)buf,
-+                                     sizeof(buf), 0, &from.sa, &fromlen);
-         }
- 
--        if (count == -1 && try_again(SOCKERRNO))
-+        if (read_len == 0) {
-+          /* UDP is connectionless, so result code of 0 is a 0-length UDP
-+           * packet, and not an indication the connection is closed like on
-+           * tcp */
-           continue;
--        else if (count <= 0)
-+        } else if (read_len < 0) {
-+          if (try_again(SOCKERRNO))
-+            continue;
-+
-           handle_error(channel, i, now);
-+
- #ifdef HAVE_RECVFROM
--        else if (!same_address(&from.sa, &server->addr))
-+        } else if (!same_address(&from.sa, &server->addr)) {
-           /* The address the response comes from does not match the address we
-            * sent the request to. Someone may be attempting to perform a cache
-            * poisoning attack. */
--          break;
-+          continue;
- #endif
--        else
--          process_answer(channel, buf, (int)count, i, 0, now);
--       } while (count > 0);
-+
-+        } else {
-+          process_answer(channel, buf, (int)read_len, i, 0, now);
-+        }
-+      } while (read_len >= 0);
-     }
- }
- 
--- 
-2.38.1
-

SPECS/c-ares.spec

@@ -1,7 +1,7 @@
 Summary: A library that performs asynchronous DNS operations
 Name: c-ares
 Version: 1.13.0
-Release: 6%{?dist}.2
+Release: 6%{?dist}
 License: MIT
 Group: System Environment/Libraries
 URL: http://c-ares.haxx.se/
@@ -10,7 +10,6 @@ Source0: http://c-ares.haxx.se/download/%{name}-%{version}.tar.gz
 Source1: LICENSE
 Patch0: 0001-Use-RPM-compiler-options.patch
 Patch1: 0002-fix-CVE-2021-3672.patch
-Patch2: 0003-Merge-pull-request-from-GHSA-9g78-jv2r-p7vc.patch
 
 BuildRoot: %{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n)
 
@@ -37,7 +36,6 @@ compile applications or shared objects that use c-ares.
 %setup -q
 %patch0 -p1 -b .optflags
 %patch1 -p1 -b .dns
-%patch2 -p1 -b .udp
 
 cp %{SOURCE1} .
 f=CHANGES ; iconv -f iso-8859-1 -t utf-8 $f -o $f.utf8 ; mv $f.utf8 $f
@@ -76,9 +74,6 @@ rm -rf $RPM_BUILD_ROOT
 %{_mandir}/man3/ares_*
 
 %changelog
-* Wed May 31 2023 Alexey Tikhonov <atikhono@redhat.com> - 1.13.0-6.1
-- Resolves: rhbz#2209516 - CVE-2023-32067 c-ares: 0-byte UDP payload Denial of Service [rhel-8.8.0.z]
-
 * Fri Oct 15 2021 Alexey Tikhonov <atikhono@redhat.com> - 1.13.0-6
 - Resolves: rhbz#1989425 - CVE-2021-3672 c-ares: missing input validation of host names may lead to Domain Hijacking [rhel-8]