Dnsmasq vulnerabilities

2017-10-03T00:00:00
ID USN-3430-2
Type ubuntu
Reporter Ubuntu
Modified 2017-10-03T00:00:00

Description

USN-3430-1 fixed several vulnerabilities in Dnsmasq. This update provides the corresponding update for Ubuntu 12.04 ESM.

Original advisory details:

Felix Wilhelm, Fermin J. Serna, Gabriel Campana and Kevin Hamacher discovered that Dnsmasq incorrectly handled DNS requests. A remote attacker could use this issue to cause Dnsmasq to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2017-14491)

Felix Wilhelm, Fermin J. Serna, Gabriel Campana and Kevin Hamacher discovered that Dnsmasq incorrectly handled IPv6 router advertisements. A remote attacker could use this issue to cause Dnsmasq to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2017-14492)

Felix Wilhelm, Fermin J. Serna, Gabriel Campana and Kevin Hamacher discovered that Dnsmasq incorrectly handled DHCPv6 requests. A remote attacker could use this issue to cause Dnsmasq to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2017-14493)

Felix Wilhelm, Fermin J. Serna, Gabriel Campana and Kevin Hamacher discovered that Dnsmasq incorrectly handled DHCPv6 packets. A remote attacker could use this issue to possibly obtain sensitive memory contents. (CVE-2017-14494)

Felix Wilhelm, Fermin J. Serna, Gabriel Campana and Kevin Hamacher discovered that Dnsmasq incorrectly handled DNS requests. A remote attacker could use this issue to cause Dnsmasq to consume memory, resulting in a denial of service. (CVE-2017-14495)

Felix Wilhelm, Fermin J. Serna, Gabriel Campana and Kevin Hamacher discovered that Dnsmasq incorrectly handled DNS requests. A remote attacker could use this issue to cause Dnsmasq to crash, resulting in a denial of service. (CVE-2017-14496)