ChangeSet 1.1548, 2004/12/21 17:48:24+01:00, [EMAIL PROTECTED]
[NETFILTER]: Fix stack leakage in iptables/ip6_tables
Signed-off-by: Patrick McHardy <[EMAIL PROTECTED]>
ipv4/netfilter/ip_tables.c | 2 +-
ipv6/netfilter/ip6_tables.c | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)
diff -Nru a/net/ipv4/netfilter/ip_tables.c b/net/ipv4/netfilter/ip_tables.c
--- a/net/ipv4/netfilter/ip_tables.c 2005-01-15 07:04:59 -08:00
+++ b/net/ipv4/netfilter/ip_tables.c 2005-01-15 07:04:59 -08:00
@@ -1274,7 +1274,7 @@
sizeof(info.underflow));
info.num_entries = t->private->number;
info.size = t->private->size;
- strcpy(info.name, name);
+ memcpy(info.name, name, sizeof(info.name));
if (copy_to_user(user, &info, *len) != 0)
ret = -EFAULT;
diff -Nru a/net/ipv6/netfilter/ip6_tables.c b/net/ipv6/netfilter/ip6_tables.c
--- a/net/ipv6/netfilter/ip6_tables.c 2005-01-15 07:04:59 -08:00
+++ b/net/ipv6/netfilter/ip6_tables.c 2005-01-15 07:04:59 -08:00
@@ -1356,7 +1356,7 @@
sizeof(info.underflow));
info.num_entries = t->private->number;
info.size = t->private->size;
- strcpy(info.name, name);
+ memcpy(info.name, name, sizeof(info.name));
if (copy_to_user(user, &info, *len) != 0)
ret = -EFAULT;
-
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