CVE-2020-14312
CVE-2020-14312
This page contains facts from public vulnerability sources. Check the original advisory before updating.
A flaw was found in the default configuration of dnsmasq, as shipped with Fedora versions prior to 31 and in all versions Red Hat Enterprise Linux, where it listens on any interface and accepts queries from addresses outside of its local subnet. In particular, the option `local-service` is not enabled. Running dnsmasq in this manner may inadvertently make it an open resolver accessible from any address on the internet. This flaw allows an attacker to conduct a Distributed Denial of Service (DDoS) against other systems.
CVSS 5.9 · Medium · EPSS 1.2% · Fix available
- Published
- Updated
Stack: system
Affected products and versions
dnsmasq
- Versions
- Fedora version prior to 31: Affected
- all RHEL versions: Affected
No fix published
dnsmasq Debian:12
- Affected ranges
- ECOSYSTEM: < 2.69-1
Update to 2.69-1
dnsmasq Debian:13
- Affected ranges
- ECOSYSTEM: < 2.69-1
Update to 2.69-1
dnsmasq Debian:14
- Affected ranges
- ECOSYSTEM: < 2.69-1
Update to 2.69-1
dnsmasq Ubuntu:Pro:14.04:LTS
- Versions
- 2.66-4ubuntu1
- 2.67-1
- 2.68-1
- 2.68-1ubuntu0.1
- 2.68-1ubuntu0.2
- 2.68-1ubuntu0.2+esm1
- 2.68-1ubuntu0.2+esm2
- 2.68-1ubuntu0.2+esm3
- 2.68-1ubuntu0.2+esm5
- 2.68-1ubuntu0.2+esm6
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published