CVE-2013-0198 Denial of service in n/a
Remote attackers can cause denial of service via traffic amplification using spoofed TCP DNS queries when Dnsmasq is configured with specific libvirt settings.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2013-0198?
CVE-2013-0198 is a medium-severity denial of service vulnerability in n/a, published on 4 Mar 2013. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Dnsmasq before 2.66test2, when used with certain libvirt configurations, replies to queries from prohibited interfaces, which allows remote attackers to cause a denial of service (traffic amplification) via spoofed TCP based DNS queries. NOTE: this vulnerability exists because of an incomplete fix for CVE-2012-3411.
Weakness: CWE-20
Which versions are affected by CVE-2013-0198?
It affects 1 product.
Products include Thekelleys Dnsmasq.
How do I fix CVE-2013-0198?
Upgrade to a fixed version.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2013-0198 being exploited?
There is no known exploitation of CVE-2013-0198 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as DEBIAN-CVE-2013-0198, GHSA-3pxx-76hx-4rw2.