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| author | Luca Deri <lucaderi@users.noreply.github.com> | 2020-03-20 18:02:27 +0100 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2020-03-20 18:02:27 +0100 |
| commit | a845e997209b987ef85a2562697d4d0522cb0c66 (patch) | |
| tree | 04a9b505c8af0b5f4d8c32a774edfaf9936fbd1c /src/lib/protocols/dns.c | |
| parent | 8cda02bb14bad44ae71317b322d895305245e713 (diff) | |
| parent | 3e259aac986bc86aa89adc2994811bb6f26a0649 (diff) | |
Merge pull request #859 from catenacyber/fuzzudpfix
Checks enough data for UDP header
Diffstat (limited to 'src/lib/protocols/dns.c')
| -rw-r--r-- | src/lib/protocols/dns.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/lib/protocols/dns.c b/src/lib/protocols/dns.c index 8290ca9dc..460117c96 100644 --- a/src/lib/protocols/dns.c +++ b/src/lib/protocols/dns.c @@ -141,7 +141,7 @@ static int search_valid_dns(struct ndpi_detection_module_struct *ndpi_struct, /* Leave the statement below commented necessary in case of call to ndpi_get_partial_detection() */ x++; - if(flow->packet.payload[x] != '\0') { + if(x < flow->packet.payload_packet_len && flow->packet.payload[x] != '\0') { while((x < flow->packet.payload_packet_len) && (flow->packet.payload[x] != '\0')) { x++; |