diff options
| author | Philippe Antoine <contact@catenacyber.fr> | 2020-02-18 11:50:22 +0100 |
|---|---|---|
| committer | Philippe Antoine <contact@catenacyber.fr> | 2020-02-18 11:50:22 +0100 |
| commit | 3eb9907dd7bfd21be4980632761852eaee5aec81 (patch) | |
| tree | a2fc0b40d1fa1a67bdfabf2888c5d35b2036ea40 /src/lib/protocols/dns.c | |
| parent | fdf8dd724fc86c4d38daa66b62021ae2d34f1432 (diff) | |
Fix various buffer over reads
Diffstat (limited to 'src/lib/protocols/dns.c')
| -rw-r--r-- | src/lib/protocols/dns.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/lib/protocols/dns.c b/src/lib/protocols/dns.c index 924e7eb86..2f8fd5612 100644 --- a/src/lib/protocols/dns.c +++ b/src/lib/protocols/dns.c @@ -168,6 +168,9 @@ static int search_valid_dns(struct ndpi_detection_module_struct *ndpi_struct, } else x += data_len; + if((x+2) >= flow->packet.payload_packet_len) { + break; + } rsp_type = get16(&x, flow->packet.payload); flow->protos.dns.rsp_type = rsp_type; |