Intrusion Prevention

Dnsmasq.DHCP6.Packets.Handling.Information.Disclosure

Description

This indicates an attack attempt to exploit an Information Disclosure vulnerability in Dnsmasq.
The vulnerability is due to an improper boundary check in the application when handling an overly large request. A remote attacker can exploit this to gain access to sensitive information, leading to possible ASLR bypass.

Affected Products

Dnsmasq versions prior to 2.78

Impact

Information Disclosure: Remote attackers can gain sensitive information from vulnerable systems.

Recommended Actions

Upgrade to the latest version available from the website.
http://www.thekelleys.org.uk/dnsmasq/

CVE References

CVE-2017-14494