1 files changed, 32 insertions, 0 deletions
diff --git a/package/network/utils/curl/patches/400-CVE-2018-0500.patch b/package/network/utils/curl/patches/400-CVE-2018-0500.patch
new file mode 100644
index 0000000000..9ef4111aea
--- /dev/null
+++ b/package/network/utils/curl/patches/400-CVE-2018-0500.patch
@@ -0,0 +1,32 @@
+From ba1dbd78e5f1ed67c1b8d37ac89d90e5e330b628 Mon Sep 17 00:00:00 2001
+From: Daniel Stenberg <daniel@haxx.se>
+Date: Wed, 13 Jun 2018 12:24:40 +0200
+Subject: [PATCH] smtp: use the upload buffer size for scratch buffer malloc
+
+... not the read buffer size, as that can be set smaller and thus cause
+a buffer overflow! CVE-2018-0500
+
+Reported-by: Peter Wu
+Bug: https://curl.haxx.se/docs/adv_2018-70a2.html
+---
+ lib/smtp.c | 3 ++-
+ 1 file changed, 2 insertions(+), 1 deletion(-)
+
+--- a/lib/smtp.c
++++ b/lib/smtp.c
+@@ -1563,13 +1563,14 @@ CURLcode Curl_smtp_escape_eob(struct con
+   if(!scratch || data->set.crlf) {
+     oldscratch = scratch;
+ 
+-    scratch = newscratch = malloc(2 * data->set.buffer_size);
++    scratch = newscratch = malloc(2 * UPLOAD_BUFSIZE);
+     if(!newscratch) {
+       failf(data, "Failed to alloc scratch buffer!");
+ 
+       return CURLE_OUT_OF_MEMORY;
+     }
+   }
++  DEBUGASSERT(UPLOAD_BUFSIZE >= nread);
+ 
+   /* Have we already sent part of the EOB? */
+   eob_sent = smtp->eob;