EulerOS Virtualization 2.5.3 : dnsmasq (EulerOS-SA-2019-1174)
Medium Nessus Plugin ID 123860
SynopsisThe remote EulerOS Virtualization host is missing multiple security updates.
DescriptionAccording to the versions of the dnsmasq packages installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities :
- An integer underflow flaw leading to a buffer over-read was found in dnsmasq in the DNS code. An attacker could send crafted DNS packets to dnsmasq which would cause it to crash.(CVE-2017-13704)
- A vulnerability was found in Dnsmasq's implementation of DNSSEC. Wildcard synthesized NSEC records could be improperly interpreted to prove the non-existence of hostnames that actually exist.(CVE-2017-15107)
Note that Tenable Network Security has extracted the preceding description block directly from the EulerOS security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.
SolutionUpdate the affected dnsmasq packages.