diff options
| author | Luca Deri <deri@ntop.org> | 2016-12-05 18:25:39 +0100 |
|---|---|---|
| committer | Luca Deri <deri@ntop.org> | 2016-12-05 18:25:39 +0100 |
| commit | 163945f4b41afade6015e2a38e249899013d43cd (patch) | |
| tree | 43ff42068269b5107a5ddaa8e97847f94c77d767 /src | |
| parent | 22ee4392158fcbd94b4f4111832e28503b07e615 (diff) | |
Added check to avoid loops with invalid DHCP packets
Diffstat (limited to 'src')
| -rw-r--r-- | src/lib/protocols/dhcp.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/src/lib/protocols/dhcp.c b/src/lib/protocols/dhcp.c index 49cf19147..f597d6ced 100644 --- a/src/lib/protocols/dhcp.c +++ b/src/lib/protocols/dhcp.c @@ -80,6 +80,8 @@ void ndpi_search_dhcp_udp(struct ndpi_detection_module_struct *ndpi_struct, stru u_int8_t id = dhcp->options[i]; u_int8_t len = dhcp->options[i+1]; + if(len == 0) break; + #ifdef DHCP_DEBUG printf("[DHCP] Id=%d [len=%d]\n", id, len); #endif |