1 files changed, 80 insertions, 0 deletions
diff --git a/poky/meta/recipes-support/curl/curl/CVE-2022-27774-2.patch b/poky/meta/recipes-support/curl/curl/CVE-2022-27774-2.patch
new file mode 100644
index 0000000000..9739634dfe
--- /dev/null
+++ b/poky/meta/recipes-support/curl/curl/CVE-2022-27774-2.patch
@@ -0,0 +1,80 @@
+From 50aebd6ea20956513e9b7d7c776830b54d9c8ff6 Mon Sep 17 00:00:00 2001
+From: Daniel Stenberg <daniel@haxx.se>
+Date: Mon, 25 Apr 2022 16:24:33 +0200
+Subject: [PATCH] transfer: redirects to other protocols or ports clear auth
+
+... unless explicitly permitted.
+
+Bug: https://curl.se/docs/CVE-2022-27774.html
+Reported-by: Harry Sintonen
+Closes #8748
+
+Upstream-Status: Backport [https://github.com/curl/curl/commit/620ea21410030a9977396b4661806bc187231b79]
+Signed-off-by: Robert Joslyn <robert.joslyn@redrectangle.org>
+---
+ lib/transfer.c | 49 ++++++++++++++++++++++++++++++++++++++++++++++++-
+ 1 file changed, 48 insertions(+), 1 deletion(-)
+
+diff --git a/lib/transfer.c b/lib/transfer.c
+index 1f8019b..752fe14 100644
+--- a/lib/transfer.c
++++ b/lib/transfer.c
+@@ -1608,10 +1608,57 @@ CURLcode Curl_follow(struct Curl_easy *data,
+       return CURLE_OUT_OF_MEMORY;
+   }
+   else {
+-
+     uc = curl_url_get(data->state.uh, CURLUPART_URL, &newurl, 0);
+     if(uc)
+       return Curl_uc_to_curlcode(uc);
++
++    /* Clear auth if this redirects to a different port number or protocol,
++       unless permitted */
++    if(!data->set.allow_auth_to_other_hosts && (type != FOLLOW_FAKE)) {
++      char *portnum;
++      int port;
++      bool clear = FALSE;
++
++      if(data->set.use_port && data->state.allow_port)
++        /* a custom port is used */
++        port = (int)data->set.use_port;
++      else {
++        uc = curl_url_get(data->state.uh, CURLUPART_PORT, &portnum,
++                          CURLU_DEFAULT_PORT);
++        if(uc) {
++          free(newurl);
++          return Curl_uc_to_curlcode(uc);
++        }
++        port = atoi(portnum);
++        free(portnum);
++      }
++      if(port != data->info.conn_remote_port) {
++        infof(data, "Clear auth, redirects to port from %u to %u",
++              data->info.conn_remote_port, port);
++        clear = TRUE;
++      }
++      else {
++        char *scheme;
++        const struct Curl_handler *p;
++        uc = curl_url_get(data->state.uh, CURLUPART_SCHEME, &scheme, 0);
++        if(uc) {
++          free(newurl);
++          return Curl_uc_to_curlcode(uc);
++        }
++
++        p = Curl_builtin_scheme(scheme);
++        if(p && (p->protocol != data->info.conn_protocol)) {
++          infof(data, "Clear auth, redirects scheme from %s to %s",
++                data->info.conn_scheme, scheme);
++          clear = TRUE;
++        }
++        free(scheme);
++      }
++      if(clear) {
++        Curl_safefree(data->state.aptr.user);
++        Curl_safefree(data->state.aptr.passwd);
++      }
++    }
+   }
+ 
+   if(type == FOLLOW_FAKE) {