CVE-2017-14495

high

Description

Memory leak in dnsmasq before 2.78, when the --add-mac, --add-cpe-id or --add-subnet option is specified, allows remote attackers to cause a denial of service (memory consumption) via vectors involving DNS response creation.

References

Advisories
More

https://www.kb.cert.org/vuls/id/973527

https://www.exploit-db.com/exploits/42945/

https://security.googleblog.com/2017/10/behind-masq-yet-more-dns-and-dhcp.html

https://access.redhat.com/security/vulnerabilities/3199382

https://access.redhat.com/errata/RHSA-2017:2836

http://www.ubuntu.com/usn/USN-3430-2

http://www.ubuntu.com/usn/USN-3430-1

http://www.securitytracker.com/id/1039474

http://www.securityfocus.com/bid/101085

http://www.debian.org/security/2017/dsa-3989

http://lists.opensuse.org/opensuse-security-announce/2017-10/msg00006.html

https://www.synology.com/support/security/Synology_SA_17_59_Dnsmasq

https://www.mail-archive.com/dnsmasq-discuss%40lists.thekelleys.org.uk/msg11665.html

https://www.mail-archive.com/dnsmasq-discuss%40lists.thekelleys.org.uk/msg11664.html

https://security.gentoo.org/glsa/201710-27

https://cert-portal.siemens.com/productcert/pdf/ssa-689071.pdf

http://www.securityfocus.com/bid/101977

http://www.arubanetworks.com/assets/alert/ARUBA-PSA-2017-005.txt

http://thekelleys.org.uk/gitweb/?p=dnsmasq.git%3Ba=commit%3Bh=51eadb692a5123b9838e5a68ecace3ac579a3a45

http://thekelleys.org.uk/dnsmasq/CHANGELOG

http://nvidia.custhelp.com/app/answers/detail/a_id/4561

Details

Source: Mitre, NVD

Published: 2017-10-03

Updated: 2025-04-20

Risk Information

CVSS v2

Base Score: 5

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P

Severity: Medium

CVSS v3

Base Score: 7.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Severity: High

EPSS

EPSS: 0.53317

Detections

Analytics