blob: 7f2c2d46d280ca5a7343a90d3496b7ec3216075d (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
|
From 7e0793e15e21f68337e130c67b031ca38edf055f Mon Sep 17 00:00:00 2001
From: Aymeric Moizard <amoizard@gmail.com>
Date: Mon, 5 Sep 2016 15:01:53 +0200
Subject: [PATCH] * fix bug report: sr #109133: Heap buffer overflow in
utility function *osip_clrncpy* https://savannah.gnu.org/support/?109133
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
---
src/osipparser2/osip_port.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/src/osipparser2/osip_port.c b/src/osipparser2/osip_port.c
index 0e64147..d8941b0 100644
--- a/src/osipparser2/osip_port.c
+++ b/src/osipparser2/osip_port.c
@@ -1291,8 +1291,10 @@ osip_clrncpy (char *dst, const char *src, size_t len)
char *p;
size_t spaceless_length;
- if (src == NULL)
+ if (src == NULL || len == 0) {
+ *dst = '\0';
return NULL;
+ }
/* find the start of relevant text */
pbeg = src;
--
2.11.0
|
