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-rw-r--r--meta/recipes-support/curl/curl/CVE-2017-1000100.patch51
1 files changed, 51 insertions, 0 deletions
diff --git a/meta/recipes-support/curl/curl/CVE-2017-1000100.patch b/meta/recipes-support/curl/curl/CVE-2017-1000100.patch
new file mode 100644
index 0000000000..f74f1dd896
--- /dev/null
+++ b/meta/recipes-support/curl/curl/CVE-2017-1000100.patch
@@ -0,0 +1,51 @@
+From 358b2b131ad6c095696f20dcfa62b8305263f898 Mon Sep 17 00:00:00 2001
+From: Daniel Stenberg <daniel@haxx.se>
+Date: Tue, 1 Aug 2017 17:16:46 +0200
+Subject: [PATCH] tftp: reject file name lengths that don't fit
+
+... and thereby avoid telling send() to send off more bytes than the
+size of the buffer!
+
+CVE: CVE-2017-1000100
+
+Bug: https://curl.haxx.se/docs/adv_20170809B.html
+Reported-by: Even Rouault
+
+Credit to OSS-Fuzz for the discovery
+
+Upstream-Status: Backport
+https://github.com/curl/curl/commit/358b2b131ad6c095696f20dcfa62b8305263f898
+
+Signed-off-by: Wenzong Fan <wenzong.fan@windriver.com>
+---
+ lib/tftp.c | 7 ++++++-
+ 1 file changed, 6 insertions(+), 1 deletion(-)
+
+diff --git a/lib/tftp.c b/lib/tftp.c
+index 02bd842..f6f4bce 100644
+--- a/lib/tftp.c
++++ b/lib/tftp.c
+@@ -5,7 +5,7 @@
+ * | (__| |_| | _ <| |___
+ * \___|\___/|_| \_\_____|
+ *
+- * Copyright (C) 1998 - 2016, Daniel Stenberg, <daniel@haxx.se>, et al.
++ * Copyright (C) 1998 - 2017, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+@@ -491,6 +491,11 @@ static CURLcode tftp_send_first(tftp_state_data_t *state, tftp_event_t event)
+ if(result)
+ return result;
+
++ if(strlen(filename) > (state->blksize - strlen(mode) - 4)) {
++ failf(data, "TFTP file name too long\n");
++ return CURLE_TFTP_ILLEGAL; /* too long file name field */
++ }
++
+ snprintf((char *)state->spacket.data+2,
+ state->blksize,
+ "%s%c%s%c", filename, '\0', mode, '\0');
+--
+1.7.9.5
+