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-rw-r--r--meta/recipes-support/curl/curl/CVE-2022-43552.patch82
1 files changed, 82 insertions, 0 deletions
diff --git a/meta/recipes-support/curl/curl/CVE-2022-43552.patch b/meta/recipes-support/curl/curl/CVE-2022-43552.patch
new file mode 100644
index 0000000000..d729441454
--- /dev/null
+++ b/meta/recipes-support/curl/curl/CVE-2022-43552.patch
@@ -0,0 +1,82 @@
+rom 4f20188ac644afe174be6005ef4f6ffba232b8b2 Mon Sep 17 00:00:00 2001
+From: Daniel Stenberg <daniel@haxx.se>
+Date: Mon, 19 Dec 2022 08:38:37 +0100
+Subject: [PATCH] smb/telnet: do not free the protocol struct in *_done()
+
+It is managed by the generic layer.
+
+Reported-by: Trail of Bits
+
+Closes #10112
+
+CVE: CVE-2022-43552
+Upstream-Status: Backport [https://github.com/curl/curl/commit/4f20188ac644afe174be6005ef4f6ffba232b8b2]
+Signed-off-by: Hitendra Prajapati <hprajapati@mvista.com>
+---
+ lib/smb.c | 14 ++------------
+ lib/telnet.c | 3 ---
+ 2 files changed, 2 insertions(+), 15 deletions(-)
+
+diff --git a/lib/smb.c b/lib/smb.c
+index 12f9925..8db3b27 100644
+--- a/lib/smb.c
++++ b/lib/smb.c
+@@ -61,8 +61,6 @@ static CURLcode smb_connect(struct connectdata *conn, bool *done);
+ static CURLcode smb_connection_state(struct connectdata *conn, bool *done);
+ static CURLcode smb_do(struct connectdata *conn, bool *done);
+ static CURLcode smb_request_state(struct connectdata *conn, bool *done);
+-static CURLcode smb_done(struct connectdata *conn, CURLcode status,
+- bool premature);
+ static CURLcode smb_disconnect(struct connectdata *conn, bool dead);
+ static int smb_getsock(struct connectdata *conn, curl_socket_t *socks);
+ static CURLcode smb_parse_url_path(struct connectdata *conn);
+@@ -74,7 +72,7 @@ const struct Curl_handler Curl_handler_smb = {
+ "SMB", /* scheme */
+ smb_setup_connection, /* setup_connection */
+ smb_do, /* do_it */
+- smb_done, /* done */
++ ZERO_NULL, /* done */
+ ZERO_NULL, /* do_more */
+ smb_connect, /* connect_it */
+ smb_connection_state, /* connecting */
+@@ -99,7 +97,7 @@ const struct Curl_handler Curl_handler_smbs = {
+ "SMBS", /* scheme */
+ smb_setup_connection, /* setup_connection */
+ smb_do, /* do_it */
+- smb_done, /* done */
++ ZERO_NULL, /* done */
+ ZERO_NULL, /* do_more */
+ smb_connect, /* connect_it */
+ smb_connection_state, /* connecting */
+@@ -919,14 +917,6 @@ static CURLcode smb_request_state(struct connectdata *conn, bool *done)
+ return CURLE_OK;
+ }
+
+-static CURLcode smb_done(struct connectdata *conn, CURLcode status,
+- bool premature)
+-{
+- (void) premature;
+- Curl_safefree(conn->data->req.protop);
+- return status;
+-}
+-
+ static CURLcode smb_disconnect(struct connectdata *conn, bool dead)
+ {
+ struct smb_conn *smbc = &conn->proto.smbc;
+diff --git a/lib/telnet.c b/lib/telnet.c
+index 3347ad6..e3b9208 100644
+--- a/lib/telnet.c
++++ b/lib/telnet.c
+@@ -1294,9 +1294,6 @@ static CURLcode telnet_done(struct connectdata *conn,
+
+ curl_slist_free_all(tn->telnet_vars);
+ tn->telnet_vars = NULL;
+-
+- Curl_safefree(conn->data->req.protop);
+-
+ return CURLE_OK;
+ }
+
+--
+2.25.1
+