File curl-CVE-2016-8615.patch of Package curl.openSUSE_Leap_42.3_Update
From 28867c2eb601e96a9205cce962b4898c4b9118de Mon Sep 17 00:00:00 2001
From: Daniel Stenberg <daniel@haxx.se>
Date: Tue, 27 Sep 2016 17:36:19 +0200
Subject: [PATCH] cookie: replace use of fgets() with custom version
... that will ignore lines that are too long to fit in the buffer.
---
lib/cookie.c | 31 ++++++++++++++++++++++++++++++-
1 file changed, 30 insertions(+), 1 deletion(-)
Index: curl-7.37.0/lib/cookie.c
===================================================================
--- curl-7.37.0.orig/lib/cookie.c 2016-10-20 13:50:36.909954730 +0200
+++ curl-7.37.0/lib/cookie.c 2016-10-20 14:53:44.211404022 +0200
@@ -875,6 +875,35 @@ Curl_cookie_add(struct SessionHandle *da
return co;
}
+/*
+ * get_line() makes sure to only return complete whole lines that fit in 'len'
+ * bytes and end with a newline.
+ */
+static char *get_line(char *buf, int len, FILE *input)
+{
+ bool partial = FALSE;
+ while(1) {
+ char *b = fgets(buf, len, input);
+ if(b) {
+ size_t rlen = strlen(b);
+ if(rlen && (b[rlen-1] == '\n')) {
+ if(partial) {
+ partial = FALSE;
+ continue;
+ }
+ return b;
+ }
+ else
+ /* read a partial, discard the next piece that ends with newline */
+ partial = TRUE;
+ }
+ else
+ break;
+ }
+ return NULL;
+}
+
+
/*****************************************************************************
*
* Curl_cookie_init()
@@ -926,7 +955,7 @@ struct CookieInfo *Curl_cookie_init(stru
char *line = malloc(MAX_COOKIE_LINE);
if(line) {
- while(fgets(line, MAX_COOKIE_LINE, fp)) {
+ while(get_line(line, MAX_COOKIE_LINE, fp)) {
if(checkprefix("Set-Cookie:", line)) {
/* This is a cookie line, get it! */
lineptr=&line[11];