1 files changed, 48 insertions, 0 deletions

diff --git a/recipes-support/curl/curl/CVE-2018-1000301-http-restore-buffer-pointer-when-bad-response-line-i.patch b/recipes-support/curl/curl/CVE-2018-1000301-http-restore-buffer-pointer-when-bad-response-line-i.patch
new file mode 100644
index 0000000..cf5a596
--- /dev/null
+++ b/recipes-support/curl/curl/CVE-2018-1000301-http-restore-buffer-pointer-when-bad-response-line-i.patch
@@ -0,0 +1,48 @@
+From 8c7b3737d29ed5c0575bf592063de8a51450812d Mon Sep 17 00:00:00 2001
+From: Daniel Stenberg <daniel@haxx.se>
+Date: Sat, 24 Mar 2018 23:47:41 +0100
+Subject: [PATCH] http: restore buffer pointer when bad response-line is parsed
+
+... leaving the k->str could lead to buffer over-reads later on.
+  
+Assisted-by: Max Dymond
+
+Detected by OSS-Fuzz.
+Bug: https://curl.haxx.se/docs/adv_2018-b138.html
+Bug: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=7105
+
+CVE: CVE-2018-1000301
+Upstream-Status: Backport [https://curl.haxx.se/CVE-2018-1000301.patch]
+
+Signed-off-by: Andreas Wellving <andreas.wellving@enea.com>
+---
+ lib/http.c | 6 +++++-
+ 1 file changed, 5 insertions(+), 1 deletion(-)
+
+diff --git a/lib/http.c b/lib/http.c
+index 1a313b4..e080ae5 100644
+--- a/lib/http.c
++++ b/lib/http.c
+@@ -3014,6 +3014,8 @@ CURLcode Curl_http_readwrite_headers(struct Curl_easy *data,
+ {
+   CURLcode result;
+   struct SingleRequest *k = &data->req;
++  ssize_t onread = *nread;
++  char *ostr = k->str;
+ 
+   /* header line within buffer loop */
+   do {
+@@ -3078,7 +3080,9 @@ CURLcode Curl_http_readwrite_headers(struct Curl_easy *data,
+         else {
+           /* this was all we read so it's all a bad header */
+           k->badheader = HEADER_ALLBAD;
+-          *nread = (ssize_t)rest_length;
++          *nread = onread;
++          k->str = ostr;
++          return CURLE_OK;
+         }
+         break;
+       }
+-- 
+2.7.4
+