CVE-2020-37127

EUVD-2020-31023
Dnsmasq-utils 2.79-1 contains a buffer overflow vulnerability in the dhcp_release utility that allows attackers to cause a denial of service by supplying excessive input. Attackers can trigger a core dump and terminate the dhcp_release process by sending a crafted input string longer than 16 characters.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
5.5 MEDIUM
LOCAL
LOW
NONE
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Awaiting analysis
This vulnerability is currently awaiting analysis.
Base Score
CVSS 3.x
EPSS Score
Percentile: 8.08%
Debian logo
Debian Releases
Debian Product
Codename
dnsmasq
bookworm
2.90-4~deb12u2
fixed
bookworm (security)
2.90-4~deb12u2
fixed
bullseye
2.85-1
fixed
bullseye (security)
2.85-1+deb11u2
fixed
forky
2.93-1
fixed
sid
2.93-1
fixed
trixie
2.91-1+deb13u1
fixed
trixie (security)
2.91-1+deb13u1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
dnsmasq
bionic
Fixed 2.90-0ubuntu0.18.04.1+esm1
released
focal
Fixed 2.90-0ubuntu0.20.04.1
released
jammy
Fixed 2.90-0ubuntu0.22.04.1
released
noble
not-affected
questing
not-affected
resolute
not-affected
trusty
Fixed 2.68-1ubuntu0.2+esm6
released
xenial
Fixed 2.90-0ubuntu0.16.04.1+esm1
released
Common Weakness Enumeration
References
https://launchpad.net/ubuntu/+source/dnsmasq/2.79-1
https://www.exploit-db.com/exploits/48301
https://www.vulncheck.com/advisories/dnsmasq-utils-dhcprelease-denial-of-service