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authorMatthias Schiffer <mschiffer@universe-factory.net>2012-04-02 02:37:09 +0200
committerMatthias Schiffer <mschiffer@universe-factory.net>2012-04-02 02:37:35 +0200
commit7836725abdfa6c30d02b9280526d5373e4466e69 (patch)
tree0d39c8f3e3a5ce308396d05aa32d451cddb940f8 /src
parentb56a383d4ceaaf9981d2305834d7b2003b9da48f (diff)
downloadfastd-7836725abdfa6c30d02b9280526d5373e4466e69.tar
fastd-7836725abdfa6c30d02b9280526d5373e4466e69.zip
Critical fix of a bug allowing DoS by sending invalid handshakesv0.1-rc4
Diffstat (limited to 'src')
-rw-r--r--src/handshake.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/src/handshake.c b/src/handshake.c
index 2359af4..06adef8 100644
--- a/src/handshake.c
+++ b/src/handshake.c
@@ -128,8 +128,10 @@ void fastd_handshake_handle(fastd_context *ctx, fastd_peer *peer, fastd_buffer b
if (ptr+4+len > (uint8_t*)buffer.data + buffer.len)
break;
- handshake.records[type].length = len;
- handshake.records[type].data = ptr+4;
+ if (type < RECORD_MAX) {
+ handshake.records[type].length = len;
+ handshake.records[type].data = ptr+4;
+ }
ptr += 4+len;
}