Related Vulnerabilities: CVE-2017-14492  

A heap buffer overflow was discovered in dnsmasq in the IPv6 router advertisement (RA) handling code. An attacker on the local network segment could send crafted RAs to dnsmasq which would cause it to crash or, potentially, execute arbitrary code. This issue only affected configurations using one of these options: enable-ra, ra-only, slaac, ra-names, ra-advrouter, or ra-stateless.

Severity Critical

Remote Yes

Type Arbitrary code execution

Description

A heap buffer overflow was discovered in dnsmasq in the IPv6 router advertisement (RA) handling code. An attacker on the local network segment could send crafted RAs to dnsmasq which would cause it to crash or, potentially, execute arbitrary code. This issue only affected configurations using one of these options: enable-ra, ra-only, slaac, ra-names, ra-advrouter, or ra-stateless.

AVG-421 dnsmasq 2.77-1 2.78-1 Critical Fixed

02 Oct 2017 ASA-201710-1 AVG-421 dnsmasq Critical multiple issues

http://thekelleys.org.uk/gitweb/?p=dnsmasq.git;a=commitdiff;h=24036ea507862c7b7898b68289c8130f85599c10