CVE-2019-14834

low
New! CVE Severity Now Using CVSS v3

The calculated severity for CVEs has been updated to use CVSS v3 by default. CVEs that do not have a CVSS v3 score will fall back CVSS v2 for calculating severity. Severity display preferences can be toggled in the settings dropdown.

Description

A vulnerability was found in dnsmasq before version 2.81, where the memory leak allows remote attackers to cause a denial of service (memory consumption) via vectors involving DHCP response creation.

References

http://thekelleys.org.uk/gitweb/?p=dnsmasq.git;a=commit;h=69bc94779c2f035a9fffdb5327a54c3aeca73ed5

https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-14834

https://lists.fedoraproject.org/archives/list/[email protected]/message/JU474LT66BHNVFG5C4GEV3VTZNAEJ3BS/

Details

Source: MITRE

Published: 2020-01-07

Updated: 2020-12-04

Type: CWE-770

Risk Information

CVSS v2

Base Score: 4.3

Vector: AV:N/AC:M/Au:N/C:N/I:N/A:P

Impact Score: 2.9

Exploitability Score: 8.6

Severity: MEDIUM

CVSS v3

Base Score: 3.7

Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L

Impact Score: 1.4

Exploitability Score: 2.2

Severity: LOW

Tenable Plugins

View all (24 total)

IDNameProductFamilySeverity
154478NewStart CGSL CORE 5.04 / MAIN 5.04 : dnsmasq Multiple Vulnerabilities (NS-SA-2021-0098)NessusNewStart CGSL Local Security Checks
low
154439NewStart CGSL CORE 5.05 / MAIN 5.05 : dnsmasq Multiple Vulnerabilities (NS-SA-2021-0183)NessusNewStart CGSL Local Security Checks
low
150612SUSE SLES11 Security Update : dnsmasq (SUSE-SU-2021:14603-1)NessusSuSE Local Security Checks
high
145952CentOS 8 : dnsmasq (CESA-2020:1715)NessusCentOS Local Security Checks
low
145078Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS / 20.10 : Dnsmasq vulnerabilities (USN-4698-1)NessusUbuntu Local Security Checks
high
143285CentOS 7 : dnsmasq (CESA-2020:3878)NessusCentOS Local Security Checks
low
143078RHEL 7 : dnsmasq (RHSA-2020:3878)NessusRed Hat Local Security Checks
low
143034RHEL 8 : dnsmasq (RHSA-2020:1715)NessusRed Hat Local Security Checks
low
141940Amazon Linux 2 : dnsmasq (ALAS-2020-1507)NessusAmazon Linux Local Security Checks
low
141690Scientific Linux Security Update : dnsmasq on SL7.x x86_64 (20201001)NessusScientific Linux Local Security Checks
low
141645EulerOS Virtualization 3.0.2.2 : dnsmasq (EulerOS-SA-2020-2215)NessusHuawei Local Security Checks
high
141241Oracle Linux 7 : dnsmasq (ELSA-2020-3878)NessusOracle Linux Local Security Checks
low
137995EulerOS Virtualization 3.0.6.0 : dnsmasq (EulerOS-SA-2020-1776)NessusHuawei Local Security Checks
high
137502EulerOS 2.0 SP2 : dnsmasq (EulerOS-SA-2020-1660)NessusHuawei Local Security Checks
low
136953Fedora 31 : dnsmasq (2020-29b442f83e)NessusFedora Local Security Checks
low
136411dnsmasq < 2.81 Denial of Service (DoS) VulnerabilityNessusDNS
low
136233EulerOS Virtualization for ARM 64 3.0.2.0 : dnsmasq (EulerOS-SA-2020-1530)NessusHuawei Local Security Checks
high
135507EulerOS 2.0 SP3 : dnsmasq (EulerOS-SA-2020-1378)NessusHuawei Local Security Checks
low
133898EulerOS 2.0 SP5 : dnsmasq (EulerOS-SA-2020-1097)NessusHuawei Local Security Checks
low
133837SUSE SLED12 / SLES12 Security Update : dnsmasq (SUSE-SU-2020:0419-1)NessusSuSE Local Security Checks
low
133301Photon OS 1.0: Dnsmasq PHSA-2020-1.0-0265NessusPhotonOS Local Security Checks
low
131994openSUSE Security Update : dnsmasq (openSUSE-2019-2669)NessusSuSE Local Security Checks
high
131758SUSE SLED15 / SLES15 Security Update : dnsmasq (SUSE-SU-2019:3189-1)NessusSuSE Local Security Checks
high
131757SUSE SLED15 / SLES15 Security Update : dnsmasq (SUSE-SU-2019:3188-1)NessusSuSE Local Security Checks
high