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Add missing length check.

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aouinizied 2020-07-10 14:32:15 +02:00
parent 88f2ef33ee
commit eb7aa112c3
1 changed files with 1 additions and 1 deletions
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2
nfstream/observer_cc.c
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@ -905,7 +905,7 @@ int process_packet(pcap_t * pcap_handle, const struct pcap_pkthdr *header, const
mpls.u32 = ntohl(mpls.u32);
type = ETH_P_IP, ip_offset += 4;
while(!mpls.mpls.s) {
while(!mpls.mpls.s && (((bpf_u_int32)ip_offset) + 4 < header->caplen)) {
mpls.u32 = *((uint32_t *) &packet[ip_offset]);
mpls.u32 = ntohl(mpls.u32);
ip_offset += 4;