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| author | Michele Campus <fci1908@gmail.com> | 2016-04-12 23:41:02 +0200 |
|---|---|---|
| committer | Michele Campus <fci1908@gmail.com> | 2016-04-12 23:41:02 +0200 |
| commit | da811fbdd0023a0a3dc3f810029ef92e83e1f781 (patch) | |
| tree | 5e75a520f4c2f12ab85b22914f15c8f0857f132e /src/lib/protocols/gnutella.c | |
| parent | 885cc3864eccaa0eaadff7233f5a6a94c4239e24 (diff) | |
| parent | d7a2515093ce64d29020c0768956c6ead1ae23da (diff) | |
Merge pull request #173 from theirix/buffer-overflows
Fixed multiple buffer overflows
Diffstat (limited to 'src/lib/protocols/gnutella.c')
| -rw-r--r-- | src/lib/protocols/gnutella.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/lib/protocols/gnutella.c b/src/lib/protocols/gnutella.c index 09d4d0852..e45096391 100644 --- a/src/lib/protocols/gnutella.c +++ b/src/lib/protocols/gnutella.c @@ -294,7 +294,7 @@ void ndpi_search_gnutella(struct ndpi_detection_module_struct *ndpi_struct, stru return; } - if (memcmp(packet->payload, "GND", 3) == 0) { + if (packet->payload_packet_len >= 3 && memcmp(packet->payload, "GND", 3) == 0) { if ((packet->payload_packet_len == 8 && (memcmp(&packet->payload[6], "\x01\x00", 2) == 0)) || (packet->payload_packet_len == 11 && (memcmp(&packet->payload[6], "\x01\x01\x08\x50\x49", 5) == 0)) || (packet->payload_packet_len == 17 |