github/bettercap
1
0
Fork 0
mirror of https://github.com/bettercap/bettercap synced 2025-08-21 14:03:17 -07:00
Code Issues Projects Releases Packages Wiki Activity Actions

fix: gracefully handle packets that would crash gopacket (fixes #1184)

Browse source
This commit is contained in:
evilsocket 2025-07-10 12:55:07 +02:00
commit fed98adffa
1 changed files with 8 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

8
modules/zerogod/zerogod_discovery.go
View file

@ -201,6 +201,14 @@ func (mod *ZeroGod) logDNS(src net.IP, dns layers.DNS, isLocal bool) {
func (mod *ZeroGod) onPacket(pkt gopacket.Packet) { func (mod *ZeroGod) onPacket(pkt gopacket.Packet) {
mod.Debug("%++v", pkt) mod.Debug("%++v", pkt)
// sadly the latest available version of gopacket has an unpatched bug :/
// https://github.com/bettercap/bettercap/issues/1184
defer func() {
if err := recover(); err != nil {
mod.Error("unexpected error while parsing network packet: %v\n\n%++v", err, pkt)
}
}()
netLayer := pkt.NetworkLayer() netLayer := pkt.NetworkLayer()
if netLayer == nil { if netLayer == nil {
mod.Warning("not network layer in packet %+v", pkt) mod.Warning("not network layer in packet %+v", pkt)