Vulnerability identifier: #VU52065
Vulnerability risk: Medium
Exploitation vector: Network
Exploit availability: No
The vulnerability allows a remote attacker to perform a DNS Cache Poisoning attack.
The vulnerability exists due to dnsmasq relies only on transmission ID when processing DNS queries and uses the same port for outgoing requests, when configured to given network interface. A remote attacker can guess the random transmission ID to forge a reply and get it accepted by dnsmasq.As a result, an attacker can perform a DNS Cache Poisoning attack.
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Vulnerable software versions
Dnsmasq: 2.0 - 2.84
Can this vulnerability be exploited remotely?
Is there known malware, which exploits this vulnerability?