1 files changed, 0 insertions, 107 deletions
diff --git a/meta-webserver/recipes-httpd/nginx/files/CVE-2021-3618.patch b/meta-webserver/recipes-httpd/nginx/files/CVE-2021-3618.patch
deleted file mode 100644
index be42a1ed5e..0000000000
--- a/meta-webserver/recipes-httpd/nginx/files/CVE-2021-3618.patch
+++ /dev/null
@@ -1,107 +0,0 @@
-From 6dafcdebde58577f4fcb190be46a0eb910cf1b96 Mon Sep 17 00:00:00 2001
-From: Maxim Dounin <mdounin@mdounin.ru>
-Date: Wed, 19 May 2021 03:13:31 +0300
-Subject: [PATCH 1/1] Mail: max_errors directive.
-
-Similarly to smtpd_hard_error_limit in Postfix and smtp_max_unknown_commands
-in Exim, specifies the number of errors after which the connection is closed.
---- end of original header ---
-
-CVE: CVE-2021-3618
-
-Upstream-Status: Backport
-                 https://github.com/nginx/nginx.git
-                 commit 173f16f736c10eae46cd15dd861b04b82d91a37a
-
-Signed-off-by: Joe Slater <joe.slater@windriver.com>
----
- src/mail/ngx_mail.h             |  3 +++
- src/mail/ngx_mail_core_module.c | 10 ++++++++++
- src/mail/ngx_mail_handler.c     | 15 ++++++++++++++-
- 3 files changed, 27 insertions(+), 1 deletion(-)
-
-diff --git a/src/mail/ngx_mail.h b/src/mail/ngx_mail.h
-index b865a3b9..76cae37a 100644
---- a/src/mail/ngx_mail.h
-+++ b/src/mail/ngx_mail.h
-@@ -115,6 +115,8 @@ typedef struct {
-     ngx_msec_t              timeout;
-     ngx_msec_t              resolver_timeout;
- 
-+    ngx_uint_t              max_errors;
-+
-     ngx_str_t               server_name;
- 
-     u_char                 *file_name;
-@@ -231,6 +233,7 @@ typedef struct {
-     ngx_uint_t              command;
-     ngx_array_t             args;
- 
-+    ngx_uint_t              errors;
-     ngx_uint_t              login_attempt;
- 
-     /* used to parse POP3/IMAP/SMTP command */
-diff --git a/src/mail/ngx_mail_core_module.c b/src/mail/ngx_mail_core_module.c
-index 40831242..115671ca 100644
---- a/src/mail/ngx_mail_core_module.c
-+++ b/src/mail/ngx_mail_core_module.c
-@@ -85,6 +85,13 @@ static ngx_command_t  ngx_mail_core_commands[] = {
-       offsetof(ngx_mail_core_srv_conf_t, resolver_timeout),
-       NULL },
- 
-+    { ngx_string("max_errors"),
-+      NGX_MAIL_MAIN_CONF|NGX_MAIL_SRV_CONF|NGX_CONF_TAKE1,
-+      ngx_conf_set_num_slot,
-+      NGX_MAIL_SRV_CONF_OFFSET,
-+      offsetof(ngx_mail_core_srv_conf_t, max_errors),
-+      NULL },
-+
-       ngx_null_command
- };
- 
-@@ -163,6 +170,8 @@ ngx_mail_core_create_srv_conf(ngx_conf_t *cf)
-     cscf->timeout = NGX_CONF_UNSET_MSEC;
-     cscf->resolver_timeout = NGX_CONF_UNSET_MSEC;
- 
-+    cscf->max_errors = NGX_CONF_UNSET_UINT;
-+
-     cscf->resolver = NGX_CONF_UNSET_PTR;
- 
-     cscf->file_name = cf->conf_file->file.name.data;
-@@ -182,6 +191,7 @@ ngx_mail_core_merge_srv_conf(ngx_conf_t *cf, void *parent, void *child)
-     ngx_conf_merge_msec_value(conf->resolver_timeout, prev->resolver_timeout,
-                               30000);
- 
-+    ngx_conf_merge_uint_value(conf->max_errors, prev->max_errors, 5);
- 
-     ngx_conf_merge_str_value(conf->server_name, prev->server_name, "");
- 
-diff --git a/src/mail/ngx_mail_handler.c b/src/mail/ngx_mail_handler.c
-index 0aaa0e78..71b81512 100644
---- a/src/mail/ngx_mail_handler.c
-+++ b/src/mail/ngx_mail_handler.c
-@@ -871,7 +871,20 @@ ngx_mail_read_command(ngx_mail_session_t *s, ngx_connection_t *c)
-         return NGX_MAIL_PARSE_INVALID_COMMAND;
-     }
- 
--    if (rc == NGX_IMAP_NEXT || rc == NGX_MAIL_PARSE_INVALID_COMMAND) {
-+    if (rc == NGX_MAIL_PARSE_INVALID_COMMAND) {
-+
-+        s->errors++;
-+
-+        if (s->errors >= cscf->max_errors) {
-+            ngx_log_error(NGX_LOG_INFO, c->log, 0,
-+                          "client sent too many invalid commands");
-+            s->quit = 1;
-+        }
-+
-+        return rc;
-+    }
-+
-+    if (rc == NGX_IMAP_NEXT) {
-         return rc;
-     }
- 
--- 
-2.25.1
-